Table of Contents
Contents
1. 13 Chassis Dynamometr user manual 4 Room ventilation and combustion gases exhaust The room ventilation is essential for the health and the life of staff working on tests It is important also for proper measurements Too high temperature or varying values of temperature between subsequent tests can lead to differences in the behaviour of car control unit Certainly one can choose adequate norms in the program to properly recalculate temperature and pressure values nonetheless the room temperature should be maintained at the level about 25 for all measurem ents Combustion gases exhaust In view of high combustion gases emission and of the closed room THE USE OF COMBUSTION GASES EXHAUSTOR IS IMPERATIVE Failing to comply with this requirement can result in serious poisoning by CO CO2 nitrates fuel exhalations and others that can lead to health damage or even to death ata Chassis Dynamometr user manual 5 Vehicle cooling during dyno measurements For the purpose of car engine cooling during the tests the use of industrial high power ventilators is required power at least 2 5 kW air flow above 5000 m h The lack of cooling in closed room can load to incapacity of car cooling system and in consequence to engine damage Recommended ventilators WBD 400 5 5kW 9360m h During car measurement especially during forceful tests with the use of eddy current brake e g road tests constant RPMs the temperat2. e Pit protection After the car fastening for all the time of the measurement and when the dyno is not used the service pit must be protected with covers Chassis Dynamometr user manual 2 Basic information O m Q m Q m O m 2 1 Hardware key The key protects the dyno software from copying and simultaneously acts as the software license Before starting the dyno software the key must be inserted into an USB port 2 2 Project A project must be created for every tested vehicle It will identify a given vehicle in the program its data will be saved in the database A project is described by the following information e name registration number car brand car type engine type drive type other annotations 2 3 Measurement This is a set of data describing the dyno testing including sensor data The user can change the following parameters e measurement name gear ratio measurement type power on engine or power on wheels type of vehicle according to standards top and bottom rpm cut off show hide drivetrain power losses standard to be used 2 4 Database The database allows to store projects indexed by client data and to assign dyno measurements to projects 2 5 Gear ratio It is vehicle speed measured on the wheels by the dyno in the moment when the engine rotates with the speed 2000 rpm measured on gear in which the measurement will be made usually it is the top gear
3. Q m O m Chassis Dynamometr user manual 2 6 Banks The program features special edition fields called banks where the performed measurements are saved Also the data from projects performed earlier is stored in banks The data from banks are stored in computer memory It can be saved to and loaded from the database The program gives access to four banks where four independent measurements in one project can be saved or to each bank an element of another project can be written with its own identifying data by import from the database If all the banks are occupied the contents of one of them can be cleared by deleting an existing test after saving it to the database and in a clear bank next measurement can be made or another measurement can be loaded from the database Thanks to the option of loading to banks the tests for different vehicles from the database the results can be compared Bank selection is realized by positioning the cursor in the edition field of a given bank causing the text field colour change into yellow 2 7 Graphs Graphs show the measurements saved in individual banks The data from the dyno test is also shown along with sensor data vs rpm during car acceleration 2 8 Standard Applying standard for individual measurement of torque and power allows to include corrections resulting from the values of pressure and temperature of the air at which the measurement is taken The program can recalculate t
4. TEST menu Click on shift calc and choose the RPM value which will be your goal Press Start button and accelerate the car on the test gear up to your goal value Stabilize the speed on the goal value Press spacebar on dyno computer keyboard to synchronize the RPM between car and dynamometer Stop the car When green light is on you can begin the measurement A 9 2 Gear ratio setting and correction If a bank is selected the gear ratio can be changed rians Name ame or corrected by up down arrows az Chip There is also a possibility of gear ratio selection as Chip 2 from the gear ratio table by double click in the field aa Chip 3 zm with gear ratio value p s Name X The gear ratio 21 22 23 24 25 26 27 28 29 E correction can be 2 Chipi a 32334 35 36 37 3839 E executed also when 3 Chip 2 4491491444514647 149 49 there is data already 4 Chip3 5 52 53 54 55 56 57 59 59 loaded tn the bank EI All 61 62 63 64 65 66 67 ES 69 fl 72 73 70 75 76 7r r0 79 Ol 62 63 64 DB 56 r g 5g 90 91 92 93 94 95 96 97 98 99 Graphs Contral Fanel Const RPMs Road Test Dal DynaVvtech w4 9 0 52 c Vtech Tuning 2006 Bank 1 Bank 2 Bank 3 Tumennana E 100701 102 103 104105 106 107 108 103 110 1717 1124173114115116 117118113 120 127 122 123 124 125 126 127 128129 1301711771771741 1617719174 S f C
5. 1 0 333 0 23 2 26 5 enables to follow the values of power torque 2 1540 2990 304 58 engine losses and sensor readings at individual rpm rate values in any area of the graph The table shows values resulting from the cross of the vertical tracing line here magenta with the drawn plots green and blue Pomer Torque Losses Speed 3 na na na nb 4 na n nia 11 1 2 Zoom There is a possibility to enlarge a part of the graph Press left mouse button in the graph area mark the zoom box and release the button the graph will be enlarged To return to the full view of the graph press the Autoscale button or press left mouse button and holding it drag the cursor to the left 11 1 3 Cut off If at the beginning or at the end of the test power and torque graphs there are artefacts of the gear changes at too high engine rpm rates or improper declutching they should be removed using the CUT function For this purpose press the Cu button in the main menu for appropriate bank and set the bottom and top cut off RPMs in the range of proper graph area The changes in the graph occur in the moment of parameter changes on scrollbars Faster cut off method is setting the scrollbar on the desired rpm value 31 Chassis Dynamometr user manual 11 1 4 Graph export Pressing the Graph button enables its export to Graph Clipboard BMP bitmap image file WMF vector image file JPG
6. a TT S isn can Please make changes according to the manual AFR 0 03 0 03 and recommendations for a given sensor The changes in the table should be made according to recommendations 14 5 Load cell The table shows the load cell voltage in volts V 14 6 Units The units can be changed by user in the Settings _ 35 15 The Database Chassis Dynamometr user manual Graphs Control Panel Const RPMs Road Test Data Base Config brd Found 65 i Evenwhere B erp Ls a E o Fiat Baaz HONDA Honda Registration stared as aas Mat nem Mode Honda Chant c mn ma test Ldvs est Za Est 3 dus AS 3 0 TOL 225 PS Punto 90 CIVIC COUPE Accord LET ACCORD 20T Accord 2 0 Accord 2 01 Accord 2 01 Accord 2 2 i CTDI deed 2 4 Accord CR Accord CTDI Accord i CTDi Accord WTEC 2 4 2005 05 10 08 40 42 2005 05 10 08 42 55 2005 05 10 11 03 11 2005 05 10 JE LES kr 00000 160 6 6521 185 5 4852 158 3 5233 234 6 3876 169 7 5482 200 6 4508 2006 11 06 2006 07 11 2006 03 28 2006 02 09 2004 06 23 2004 11 09 2006 04 29 2005 05 10 2004 10 22 2005 02 15 2005 05 18 2004 10 08 2004 10 22 2006 06 15 2005 08 05 2004 11 20 Temp n a E Press n a hPa ALIDTAS 3 0 TDI 225 PS KRODO0O FIAT PUNTO 90 Honda CIVIC COUPE AUDT AS 3 0 TDI 225 Honda Handa aT Honda ACCORD 3 07 Honda ACCOR
7. and the computer will automatically recalculate all the measurement data 1 1 2 Dynos with eddy current brake The eddy current brakes from TELMA mounted for the customer order appear in one version 350kW They can be installed in VT 2 or VT 4 dyno Considering their capabilities eddy current brakes are used among others for road simulations e g air resistance simulations and or slopes with a possibility to set the slope up to 45 deg and for engine tuning possibility of constant rpm maintenance 4 Chassis Dynamometr user manual thanks to the use of automatic regulators applying the load to the car eg during the tuning of LPG powered engines More in eddy current brakes point in further part of the Manual 1 1 3 Maximum admissible load for the V tech dynos For the VT 2 and VT 4 dynos maximum admissible values are Speed Vmax 300 km h On axle load 9 axis 3000 kg 1 1 4 Work safety during work with the V tech dyno Attention Information contained in this point is essential for health and life of the staff taking part in the measurements One ought to care fully observe all after mentioned safety rules Not complying to these rules can lead to health damage or even to death e Noise level Functioning of the dyno and the car can produce a noise of intensity up to 120 dB during the tests The staff should have individual equipment for ear protection soundproof headset recommended e Ventila
8. window that appears enter the client ss Diesel eral data by laud the OK Multitronic Diesel Turbo Gasoline C Gasoline Turbo For banks fr x 5 8 John Doe When the data is entered and KR 00000 confirmed a table with car description will be filled automatically in the main menu 7 Chassis Dynamometr user manual 7 2 Project edition The data in the table can be edited if the project is loaded to the active bank by pressing the button ioe If the bank is empty pressing the PROJECT button will open window for entering a new project A 7 3 Removing a project from bank A project can be removed from the bank by pressing the ClrP button in Action appropriate bank The project data cannot be removed if the test has not been removed 5 ET CH earlier from the bank by pressing ClrT S Save Test Save dyno test data to Data Base ClrT Clear Test removes dyno test data from the bank ClrP Clear Project removes project data from the bank After project creation the button serving to begin measurement will be active if the selected bank does not contain a test already 18 Chassis Dynamometr user manual 8 Operations on banks settings Show Name Shift Power on Cut Loss Norm P stock S3 si engine Cut M no norm 2 Chip 1 engine v Cut Iv no nom 3 Chip 2 elengine v Cut q no nor 4 Chip 3 engine Cut Iv no norm All engine v Cut Iv Show Name r Mo
9. D 2 01_ Honda ACCORD 2 01_ Honda ACCORD 2 2 I CTDI Honda Accord 2 4 Honda ACCORD CR _ Honda Accord CTDI Honda ACCORD ICTDI Honda ACCORD IVTEC 2 4_ The searching option determines which projects will be displayed Entering the requested text in the Everywhere field means that this text can be contained in the directory name registration plate vehicle brand or type and client name Between formants below any selected searching modes can be written connected by logical AND The bottom table contains measurements in the selected project the test saving date and information in which banks a given measurement was lately present In the tab there are also buttons for customer data edition test loading and test removing from the database O m 15 1 1 Measurement loading Double click the name of a measurement to load it to the currently selected bank O em 15 1 2 Project loading A project can be loaded to all banks without assigned project by double clicking its row in the first table 36 Chassis Dynamometr user manual 16 The V tech chassis dyno warranty Limited warranty of the V Tech Tuning The V Tech Tuning S C further V Tech warrants to the primary purchaser being simultaneously an end user of the chassis dyno provided by the firm that it is free from material and manufacturing defects With the conditions and restrictions described below V tech will a
10. ading graph move the sensor name from the table of sensors available to a table on the selected page In one page one or two sensor graphs can be printed The Preview button enables to see the graph before printing it The graphs from the active banks will appear in the print Page 1 default the last measurement graph Any sensor from the list above can be added to the printout The sensor selected for Page 1 will be available also for other printouts Page 2 3 4 for every printout any sensor set can be chosen remember that the sensor selected before will not be available for other pages unless it was selected for Page 1 printout 39 Chassis Dynamometr user manual A 14 Program configuration Graphs peng ConstRPM RoadTest Database Settings Temp n a Pressure n a Sensors settings H e Driver Name Turn On Status Value Voltage Config 1 Config me _ Config 3 Config em _ Config _ Cong 6 _ Cong BJ Config M Config Company Loadcells Units Loadcell Voltage Tare pve Front L Rear Torque Nm M Language speed Lang ra km ka Engish X Temperature ey Celsius Coser L s Pressure HPa WA Apply Refresh After selecting the Configuration tab the program parameters described above can be set Compan Address 14 1 Company data In this tab it is possible to change
11. am for measurements eee ee ee eee ee eee 17 7 1 Create select a project ccs sc iniotas rs iasa pra ddg ia Data dE spo osb ia eaneniewecteancdaceusseste 17 he rele dee 18 7 3 Removing a project from Bank eee e e ee e e e 18 8 Operations on banks Settings spas eae Rand z soc sre sa Dean a c xR oZ aR ann c OR RORA RO ADE 19 9 1 Main men s SCION e n 19 9 Gear Ratio 82121 21 9 1 Gear ratio determination by vehicle Iachometer eee eee ee e 21 9 2 Gear ratio setting and Correction eee 21 10 Preparation and testing mode selection css eee eee eee 22 10 1 Preparation for the 6S cisnarcnsescsansasanneeosaciastaccnesaeanss nen oensaseaknsaeenniae nace IR aaa 22 10 2 Testing mode selection RR RR RR 22 10 Consta FD MOD sscsaesonsatasaesrsansasnmseeraciaeseeonesieanss APERE ences UR E 21 TUA TROAG ICSE MONO ea piodia nei POs Casa Lo Spa Rss DCD ESAES A EA MP SEARA ARAL RARES 29 11 Measurement results analysis e eee 31 Vleet SPAM PARREIRA RRE RPE RR RR RS RR RR RR PRE RR ERR 31 Dito PRACI O eea ea R E E E ES 31 k LOO eee E E E E asda atenas 31 K e UL e 31 V Tech Dyno User Manual EA GPN EDO ane a io cd SD eee 32 AZ 6 Gg q PNR DN A RAD SR SON DD eg ee ees ceed eos ee ncn de ene RR 32 Wes EO LOSE Lae q DRDS E ENE eae O ODE RR RR RAND 32 14 Program configuration sss eee eee eee ee 34 14 1 COmMpany dla das e RD ee Sn doe pes ee ere eee Sennen ee ia 34 H COMPAN al 619 o eee eee mene ee E RE E RD RN oe
12. been ended 37 Chassis Dynamometr user manual e the flaw resulted from improper using of the device e the flaw has not resulted from material or manufacturing defects In the case of non justified calling of the Vtech technical team the firm will claim the cost refund Vtech assures its customers free technical support in Poland in Polish and English languages DECLARATIONS The above warranty is the complete warranty for the V tech chassis dyno replacing all other warranties and declarations oral or written with the exception of the warranty resulting from the above statement Vtech is not liable for all warranties non defined in this range admissible by adequate legal regulations Total responsibility of Vtech resulting from the present contract or any other warranty express or presumable limits to repair replacement or cost refund of the product Repair replacement and cost refund are the only and exclusive means applied In widest range admissible by adequate regulations Vtech is not liable against purchaser or end user of the Vtech product for any losses damages data losses profit losses income losses or any other losses accidental or resultant caused by purchasing using inability to use of the V tech product even in Vtech has been informed about a possibility of occurrence of such losses 38
13. d condition Basic data should by written to the software as weight C value and front area in m During acceleration the brakes will apply the proper load on dyno rolls this will enable to simulate air and traction resistances This mode also give possibility to simulate hills Before starting the measurement the tested car should be fastened with bolts to suitable handles see Fastening of the vehicle To perform the measurement 1 Select appropriate dyno test mode in the program and press START 2 Drive and change gears at the same way as on the road Graphs TestPanel_ Const RPM RoadTest I Database Settings a Road Test Settings Step Car Data erties E Angle BW SE S sm Cx 0 3 A no Step 5 pacas l Height im 1 4 Stop Change to 15 Ok OK Percent 850 4x4 cars only with equal power distribution km h ONE MAY NOT use the car brakes Often check the engine temperature do not let it overheat 290 Chassis Dynamometr user manual After the stopping of wheels and rolls the engine should be turned off Because of increased engine temperature it is recommended to cool the engine by the means of blowing ventilator during a few minutes after finishing the test Room airing is recommended after every dyno measurement if there is no blow exhaust ventilation In the case of combustion gases smell the room should be immediately aired and the p
14. d ratchet tighteners Dotted blue line another possible method of vehicle fastening anchoring movement on rolls during the measurement T The belt cannot be damaged in any area It should be tightened in order to prevent vehicle Too strong belt tightening can lead to the increase of resistance forces during tests 11 Chassis Dynamometr user manual 3 4 Motorcycle fastening 3 4 1 Fastening to motorcycle dyno ANN Red line recommended method of fastening the motorcycle to the dyno THE TYRE MAKE SURE THAT THE REAR FASTENING BELT DOES NOT TOUCH ACCIDENT BELT ABRASION DURING THE MEASUREMENT CAN LEAD TO AN The belt cannot be damaged in any area It should be tightened in order to prevent motorcycle movement on roll during the measurement Too strong belt tightening can lead to the increase of power loss during tests 3 4 2 Fastening to car dyno Red line recommended method of fastening the motorcycle to the dyno ato Chassis Dynamometr user manual The black arm is an element necessary to perform motorcycle tests on car dyno MAKE SURE THAT THE REAR FASTENING BELT DOES NOT TOUCH THE TYRE BELT ABRASION DURING THE MEASUREMENT CAN LEAD TO AN ACCIDENT motorcycle movement on roll during the measurement T The belt cannot be damaged in any area It should be tightened in order to prevent Too strong belt tightening can lead to the increase of power loss during tests
15. easurements Of course other modes also offer these possibilities Before starting the measurement the tested car should be fastened with bolts to suitable handles see Fastening of the vehicle To perform the measurement 1 Select appropriate dyno test mode in the program and press START 2 Speed up the vehicle wheels changing gears up at relatively low engine RPMs max 1000 rpm up to the gear in with the measurement will be performed 3 Press the acceleration pedal home allowing the engine to reach maximum RPMs gasoline engines usually up to approx 6500 7000 RPMs diesel engines 4500 RPMs Press the clutch pedal releasing simultaneously the gas pedal wait for self stopping of the vehicle During the test one may not use the car brakes Often check the engine temperature do not let it overheat 4 When the vehicle speed is lower than 20km h the test will finish automatically 5 The measurement graph will be shown in the Power and Torque Graph tab After the stopping of wheels and rolls the engine should be turned off Because of increased engine temperature it is recommended to cool the engine by the means of blowing ventilator during a few minutes after finishing the test Room airing is recommended after every dyno measurement if there is no blow exhaust ventilation In the case of combustion gases smell the room should be immediately aired and the persons present should leave it If headaches nausea di
16. ed and the data stored In the case of complaint V tech is obliged only to replace the device WARRANTY PERIOD V tech ensures 24 month warranty for the chassis dyno i e e frame and all construction elements connected to it casing welds erolls and elements connected to them as shafts bearings clutch etc ehydraulical elements e controlling computer control box control panel sensors display e electrorotational brake s ewiring e DynaVtech software owned by V tech The DynaVtech program has its own separate warranty supplied at the purchase of the chassis dyno ethe protection key for the DynaVtech software The present limited warranty does not cover e third parties software co operating with the DynaVtech software and user created functions including plug ins modules graph patterns filtering expressions view definitions Vtech can break the warranty contract in case of occurrence of non authorised installation and deinstallation and any modifications made by persons non authorised by Vtech The present limited warranty belongs only to first purchaser being simultaneously an end user until the products is in his possession The present limited warranty cannot be transferred upon third parties TECHNICAL SUPPORT Free technical support e in case of any troubles in use of the product contact the V tech technical service department before the service notification Paid technical repair if e warranty period 24 months has
17. ep constant load from 50 AFR Pressure Shift Cale _ Enable Shift Cale betore test Gaal T1000 al Temp Temp Stabilize RPM before test e Keep stabilization for 2 second Wait for IF Remote Apply Norm HO NORM Apply cutting Temp Analog 7 Temp D analog 2 wW amn Up Enable Warm Up before test E DD Chassis Dynamometr user manual Before the measurement also Shift Calc or Warm Up can be chosen Man can choose also Norm or Automatic Cutting of the test After selecting proper parameters press the Start button The tab of dyno test control panel will appear ewe TestPand Const RPM RoadTest Database Settings Es km h FEAR BRAKE gt Ex ERENCE A k e During the test the panel is showing information about e Temperatures from sensors e Speed e Engine RPMs correct if the gear ratio is set and the vehicle is in the proper gear e Lights signalling the dyno test state Green Test can be started Green Measurement in progress Red Measurement finished AFR the air fuel ratio in exhaust gases Pressure e g connected to the boost pressure measurement The state of front and rear brake in Speed difference between front and rear axle DO Chassis Dynamometr user manual Inertial dyno test It is the simplest and fastest method for the measurement of the power of the car on the wheels and on the engine and for loss m
18. ersons present should leave it If headaches nausea dizziness are reported the doctor should be contacted immediately It is not recommended to perform few measurements in turn because of increased temperature of the engine and of the room Buttons STEP pressing the button will increase the slope by the value shown STEP pressing the button will decrease the slope by the value shown CHANGE TO enter the theoretical slope value Change to 15 in degrees quick change from to weight KG 1000 E Ee Resistance percentage SC depends on the body type Cx 0 3 C ALY G 1 sport cars approx 85 l passenger cars approx 90 95 width m 1 6 cargo cars approx 93 98 Height m 1 4 A Percent es Z vehicle mass should be entered Cx resistance coefficient 30 Chassis Dynamometr user manual 11 Measurement results analysis 11 1 Graph The graph is very precise visualisation of the measurement results the measurements from the active banks are plotted The V Tech dyno and associated software offer very precise information about the performed test The program gathers about 2500 samples in one second As itis created basing on such a big data amount the graph represents the tested engine performance very accurately 11 1 1 Tracing After selecting the tracing option a table and eee cn id cursor tracing lines appear in the graph area This 72
19. firm address data which are visible in printouts The data tech Tuning should contain only important details to fit RR rl easily in the printout tol 012 GSBGEEE AWA Lech pl 14 2 Company logo It is possible to add the firm logo as a Logo background for graphs in printouts The BMP C A dyno_confighwtech bmp format file should be selected The logo should be bright and similar rather to a water mark Change than to a drawing that could shield graph lines Coe 14 3 Language selection To choose language select it from the drop down menu 14 4 Sensors configurations If the dyno has been equipped with devices for recording sensor data it is possible to create graphs for 34 Chassis Dynamometr user manual e AFR sensor e Intake manifold pressure sensor e Temperatures in the 0 300 C range e Temperatures in the 0 1200 C range The sensors support box main switch must be turned on and in the case of AFR it power supply must be also on It is possible to install 6 sensors In the example above installed AFR sensor and pressure sensor are shown For every verse any sensor can be configured by pressing Configuration and setting properly the parameters of a new sensor Sensors with voltage output from 10V Actual Changed to 10V can be connected to the dyno The Voltage drivers in the form of DLL libraries are copa ara included for every sensor ordered for the dyno
20. hassis Dynamometr user manual The gear ratio depends on the gear which will be used during the test It depends also on the wheels diameter rim and tyre especially when the tyres are changed from summer to winter ones and vice versa It is recommended to perform all measurements in the same gear and with the same configuration of tyres and rims in order to maintain identical test conditions In the case of gear change and or rims and tyres change the gear ratio should be measured again see Gear ratio determination by vehicle tachometer 10 Preparation and testing mode selection 10 1 Preparation for the test 1 Select a bank with loaded project but without a test The test name can be changed before or after the measurement default name will be Test1 Test2 etc Then the Test button becomes active press it and go to the TEST menu Show 1 stock He E 10 2 Testing mode selection Mame After pressing TEST a menu will appear allowing to set the testing mode If the dyno has sensors data registration is possible by clicking connected sensors Depending on the dyno type the measurements types are inertial mode For the dynos equipped with eddy current brake inertial mode inertial mode with RPM stabilization braking mode Test settings Inertial Test Stabilize APM before test at fice Hold Brakes Percent Hold value 30 Begin load increase at 40 Ke
21. he values according to the following worldwide standards e DIN 70020 e EWG 80 1269 e ISO 1585 e JIS D1001 e SAE J1349 The values of ambient pressure and temperature are read from sensors localized on the external display If the display is not connected during the test the standard selection will be impossible Chassis Dynamometr user manual 3 Vehicle Fastening 3 1 Driving the car on the dyno rolls The method recommended applies to both single axle and double axle dynos 1 Check up the dyno E Make sure whether the lifting beam is in upper position For this purpose check if the pneumatic valve is in the open position o In the case of double axle dyno pre set the position of the dyno mobile axle Remember no one can be then in the range of mobile part move 4 Drive the tested vehicle slowly on the dyno rolls The wheels should be in the middle of Follbase Before the beginning of vehicle centring remember to close the pneumatic valve and make sure that the lifting beam is in the bottom position In the case of double axle dyno before the centring operation the dyno mobile axle should be set in suitable position ensuring adequate adherence of the wheels to the rolls o Protect the vehicle against falling out from the rolls during the test Remember that vehicle fastening can be performed only when the rolls are completely stopped and the engine is not running 6 Connect the required measu
22. image file 12 Norm For each bank it is possible to choose standard provided that the display featuring barometer and thermometer has been connected to the computer during the test The standard selection is realised by activating the standard button corresponding to appropriate bank and choosing the adequate standard After the standard selection the following values are displayed factor used relative to real measurement test multiplier 1 00 ambient temperature and pressure values Most frequently used standard is DIN 70020 13 Dyno test report al It is possible to choose before the test sensors to record readings from during the test The corresponding graphs are available after the measurement by selecting the adequate tab as it can be seen in the picture on the right Once the test is finished in the Graphs tab the last measurement graph will be shown automatically along with earlier active measurements or the measurements read from the database a a a a E a q a a E LEE a a oo a ma 39 Chassis Dynamometr user manual Printireports Test print settings Page 1 i Print Sensor added to graph Drag and Drop sensors to print In the first page the dyno test graphs are printed with their respective descriptions It is also possible to print the sensor reading graphs if they have been recorded during the dyno test To print the sensor re
23. kes Often check the engine temperature do not let it overheat 4 When the vehicle speed is lower than 20km h the test will finish automatically 5 The measurement graph will be shown in the Power and Torque Graph tab After the stopping of wheels and rolls the engine should be turned off Because of increased engine temperature it is recommended to cool the engine by the means of blowing ventilator during a few minutes after finishing the test Room airing is recommended after every dyno measurement if there is no blow exhaust ventilation In the case of combustion gases smell the room should be immediately aired and the persons present should leave it If headaches nausea dizziness are reported the doctor should be contacted immediately It is not recommended to perform few measurements in turn because of increased temperature of the engine and of the room 25 Chassis Dynamometr user manual Braked mode In this mode the dyno test runs as in the inertial mode but the dyno will apply additional load using eddy current brake to not let the wheels accelerate faster than the set value This function is especially recommended for measuring very powerful engines it allows to prolong the test Without this option the measuring of high power engines would have been too short to let the turbocharger boost the engine in an appropriate way In this mode the measurement in low gears is possible Before starting the measure
24. ment the tested car should be fastened with bolts to suitable handles see Fastening of the vehicle To perform the measurement 1 Select appropriate dyno test mode in the program Setup the power of brake in and speed value as a beginning of load Then press START 2 Speed up the vehicle wheels changing gears up at relatively low engine RPMs max 1000 rpm up to the gear in with the measurement will be performed 3 Press the acceleration pedal home the computer controlling the brakes will restrain the engine to accelerate the vehicle with a set value of s When the engine reaches its maximum RPMs gasoline engines usually up to approx 6500 7000 RPMs diesel engines 4500 RPMs press the clutch pedal releasing simultaneously the gas pedal wait for self stopping of the vehicle During the test the acceleration pedal should be kept full throttle position ONE MAY NOT use the car brakes Often check the engine temperature do not let it overheat 4 When the vehicle speed is lower than 20km h the test will finish automatically 5 The measurement graph will be shown in the Power and Torque Graph tab After the stopping of wheels and rolls the engine should be turned off Because of increased engine temperature it is recommended to cool the engine by the means of blowing ventilator during a few minutes after finishing the test Room airing is recommended after every dyno measurement if there is no blow exhaust
25. n 4 4 4 4 7 2 A A A 4 E J V tech Dynamometer User manual A ERR dad Ve AME A ARA AMAM IA IA DA US A DA EV RN A E NAAS OOP OOOO K 2 e de R SS a Table of Contents 1 General Information gaat eee RR ARDE RD sees erence RU RN RO cece ee 4 NH ene TT 4 1 1 1 The vtech Dyno TUD S seas nes ee ee dad a Sand SOR o 4 1 1 2 Dynos with eddy current brake esse eee eee 4 1 1 3 Maximum admissible load for the V tech dynos sese eee 5 1 1 4 Work safety during work with the V tech dvnO sese eee 5 ZA MUM ONC T e oe E E E ES T 21 a E e E WOON E see oe ce E A EA A A A saneeee T ZZ al TTT T STUDIET L E P E E E E seine ae ctece see Dra A esa eae T E Re T T PEELE E o E N E eg oe ee ese E AE A E T T 2O BANKS ae E E EE E E E 8 e COTADOS E E E E EEEE AG 8 PE NA a A E E E O DDD 8 de Y ONCE EA NING T 9 3 1 Driving the car on the dyno TONS esse sese eee 9 3 2 Fastening of one axle powered Car sese eee 10 3 3 Fastening of two axle driven Cal ss eee 11 34 Motlorcycie ASENN seers ETETE ERSE E SEEE AES 12 3 4 1 Fastening to motorcycle dvnO sss eee 12 SMA Fastening tO Car Cy NO T 12 4 Room ventilation and combustion gases exhaust eee eee 14 5 Vehicle cooling during dyno measurements sese eee eee ee eee eee 15 SH Dynaviecn Program CANNA sura bis SS RS RSS ds AU Ra CE an EEUE EE neea 16 6 1 Device stat s ene He sarees stentd e tuas sandes dcu as ir as Aa dE 16 7 Preparation of the progr
26. n KR 00000 E 3 7 2 Sp erne Cu san Tua gei 43 Chip 2 p engine v Cut Model A6 3 0 TDI 225 PS 4 Chip 3 F Sifengine Cut M i i E All engine sl Cut iv r DT 5 L 70 norm Si Cl 10 norm Si CiT c rir zj engine Cut Loss Horm Acton Engine Cut Ho norm 5 ClT ChP IE rom sarae T Cut M Cut Iw Cut le EWG 50 1269 IS0 1585 JIS 01001 SAE J1 342 Norm DIN 70020 multiple 1 00 Power on Allows the change of dyno test graph drawn Itis possible to show power if the engine or the power that is transferred to vehicle wheels Cut Button that opens graph top and bottom RPMs cut off window usually the same cut off is applied to all banks Losses Hides shows in the graph the losses of power transfer from the engine to the wheels measured during dyno test Norm The button activates standard selection active only when the test has been finished and the ambient pressure and temperature display has been connected Action S Save Test Save dyno test data to Data Base CirT Clear Test removes dyno test data from the bank ClrP Clear Project removes project data from the bank 20 Chassis Dynamometr user manual 9 Gear Ratio Determination 9 1 Gear ratio determination by vehicle tachometer e State t Test dege Seas denver tee Before first measurement of the car the proper shift ratio can be determined Choose the correct mode in
27. nee RR RS eet eee eer 34 14 3 Language selection see eee ee eee eee 34 14 4 Sensors CON CUA 6 e RR E RE DE oc E RR E 34 q A Boro CC ee cela A cnc RONNIE RD A DOE SRS IRA RD SEND ence 35 CERI 35 T WIN LD E E RD DIS REDE eee nee RA RA 36 19 1 1 Measurement loading sessirnir encanar EEEa zss 36 Tor dice Er OA eee eE E E E E EEEE 36 16 The V tech chassis dyno warranty eee eee eee 37 Chassis Dynamometr user manual The present Manual is considered as dyno accessory and it should be delivered along with the dyno in case of its sale The Manual contains information concerning all versions of V tech dynos Some of the data can refer to elements which are not present in the purchased version The information and technical data enclosed in the Manual were up to date in the moment of its publication However Power4Car s c reserves the right to make later changes in the construction and in the technical specifications of the dyno without notifications and without any liabilities Your security as well as the security of others is very important The handling of this dyno also implies an essential responsibility for the security Important notices related to the user security have been placed in this Manual as well as in various places of the dyno Every notice indicated potential staff health hazard Of course it is not possible to foresee every possible dangers related to exploitation or to the service of the dyno The staff sh
28. ould behave according to common sense Please get to know the following signs Important information Attention Special Attention l A GU Keep out of the machine during the measurements STOP Stop x Get to know Chassis Dynamometr user manual 1 General Information 1 1 Dyno 1 1 1 The V tech Dyno Types The Power4Car enterprise manufactures seven dyno types e VT 2 single axle inertial VT 2 B1 single axle with a TELMA eddy current brake VT 2 B2 single axle with two TELMA eddy current brakes e VT 4 double axle inertial e VT 4 B2 double axle with two TELMA eddy current brakes e VT 4 B4 double axle with four TELMA eddy current brakes e VT 1 for motorcycles portable version Brakes used in Vtech dynos are TELMA 350kW eddy current brakes One should note that on single axle or double axle dyno also motorcycles can be tested more details in Motorcycle Fastening The VT 2 dyno is intended to test front wheels or rear wheels powered cars Attention Testing A W D cars on the VT 2 is NOT RECOMMENDED The Power4Car company is not liable for any damages of the dyno and or car or any losses caused by inadequate use of the V Tech dyno The VT 4 VT 4 B2 VT 4 B4 dyno has been designed and constructed for both one and two axis powered cars It is sufficient to mark before the beginning of the measurement which drive type is used in the vehicle
29. project Ho lo project 3 Mo project 4 Mo project i All 8 1 Main menu description Buttons 1 2 3 4 toggle on activates drawing of the bank data toggle off deactivates it The button applies to all the buttons described above Name Edition field containing the name of the test If the project is created the name can be written After finishing the test the name change is blocked and it is possible only by pressing the button opening a window allowing to change the name of already per formed test Shift Determines the gear ratio in a given bank Double click quick change tables More in Gear ratio determination Client John Doe y f Registration KR 00000 Vel CrP Brand Audi pene Model A6 3 0 TDI 225 PS Project Drive si 4x4 E e Engine pieselTubo Test Temperature el de cd 25 26 20 do 29 31 32 33 38 35 36 37 38 39 4 42 45 44 45 46 47 da 45 ol 52 53 54 55 56 57 150 59 Bl 62 63 64 65 66 Ef 68 69 Yl r2 ra r4 5 76 77 70 79 QU 61 d 53 84 65 db r do 8g 90 91 92 93 94 95 96 97 98 99 888885558 100101 104103 104 105 106 107 105105 1101111124113 114115116117 118115 120121 122 123 124 125 126 127 128129 43014 3111991941411 95 126177129120 S 19 Chassis Dynamometr user manual Show Name Shift Power on Cut Loss Norm Action John Doe 1 Stock S y NIM 2 LT DP Registratio
30. ress the acceleration pedal home the computer controlling the brakes will restrain the engine to maintain the rpm rate set earlier at completely pressed gas pedal During tuning it is possible to change rpm rate threshold on the computer by the mouse spf s Chassis Dynamometr user manual ONE MAY NOT use the car brakes Often check the engine temperature do not let it overheat After the stopping of wheels and rolls the engine should be turned off Because of increased engine temperature it is recommended to cool the engine by the means of blowing ventilator during a few minutes after finishing the test Room airing is recommended after every dyno measurement if there is no blow exhaust ventilation In the case of combustion gases smell the room should be immediately aired and the persons present should leave it If headaches nausea dizziness are reported the doctor should be contacted immediately It is not recommended to perform few measurements in turn because of increased temperature of the engine and of the room Buttons Step Actual CHANGE TO enter the value of desired rom step 500 Change to 500 ok Change to 2000 quick change to a given rpm rate STEP pressing the button will increase the rpm rate by the value shown STEP pressing the button will decrease the rpm rate by the value shown 28 Chassis Dynamometr user manual 10 4 Road test mode This mode simulates roa
31. ring equipment and the exhaust pipe taking the combustion gases from the car exhaust pipe to the exhauster After leaving the pit cover it with protection boards T Before starting the test all persons should leave the dyno room with exception of the staff taking part in the measurement 8 Turn on external light sign informing about the test in progress and turn on the exhauster recon ducting the combustion gases out of the dyno room Chassis Dynamometr user manual 3 2 Fastening of one axle powered car NANNY Fastening method Rear wheels driven vehicle Front wheels driven vehicle Fixing points Red line and red points mark fixing points and the method of proper fastening of the car to the foundation by the means of anchor ties belts and ratchet tighteners Dotted blue line another possible method of vehicle fastening anchoring The belt cannot be damaged in any area It should be tightened in order to prevent vehicle movement on rolls during the measurement 10 Chassis Dynamometr user manual Too strong belt tightening can lead to the increase of power loss during tests 3 3 Fastening of two axle driven car C ASTRA T E AE i i o D lt S s N W j W N H m L Fastening method Fixing points Red line and red points mark fixing points and the method of proper fastening of the car to the foundation by the means of anchor ties belts an
32. s connected to a serial port or USB port input card e the card is not connected fell out from the slot or driver error pleas contact the V tech technical department If all devices function properly press the close button to pass to program main menu 16 Chassis Dynamometr user manual 7 Preparation of the program for measurements Show Name Shift Power on Cut Loss Client o project K 92 fengne Cut M SHRI Registration B VA f 2 No project k S Cut Iv T CrP Brand 3 No project 193 Llengine Cut M 5 Gl Gel Model 4 No project DS 33 Sifengine x Cut v ml CiP Dive All 92 Sifengine Cut Iv 5 CiP Engine Test A 7 1 Create select a project Creating a new project 1 Press button if the current bank is empty the data that you will enter will apply to all empty banks activated buttons in field for banks identify banks that are edited If the current bank is not empty all banks from the same project will be selected and the data will be automatically filled allowing further edition 2 In project field it is necessary to enter Upejaee registration plate number then the program Project info checks if the vehicle have been placed Registration Client earlier in the database if so the data will g a John Doe be filled automatically allowing further Drive Brand edition Quattro feud Em TDI 225 PS er 3 In the
33. ssure repair or replacement of any element or subsystem of the product that will be reveal material or manufacturing defects The elements repaired or replaced will be supplied by Vtech on exchange basis They will be either new or renewed with the same functionality as new ones If V Tech will be unable to repair or replace a product it will refund the sum equal the product value for the day of warranty claim registration The present limited warranty does not include any damages to the product resulting from improper installation by non authorised staff accidents abuse misuse natural causes insufficient or excessive voltage unnatural mechanical or environmental conditions or from deinstallation repairs or modifications made by non authorised persons The present limited warranty does not apply also in the case of products with the original identification data changed damaged or removed products that have been misused products that have been resold as used or products that have been sold in discordance with Polish and or EU export regulations The present limited warranty embraces only repair replacement or cost refund of defectuous V tech products According to the above conditions V Tech is not liable for data loss costs or other costs related to determination of system failures or removing maintenance or installing V tech products The present limited warranty does not apply to software supplied by a third party the equipment install
34. tor combustion gases exhaust In view of high combustion gases emission and of the closed room THE USE OF COMBUSTION GASES EXHAUSTOR IS IMPERATIVE Chassis Dynamometr user manual Failing to comply with this requirement can result in serious poisoning by CO CO nitrates fuel exhalations and others that can lead to health damage or even to death Non authorized persons Non authorized persons are not allowed in the room where the dyno is installed during any tests Only the staff trained in the service of the dyno can be present in the room Hot objects the engine During test measurements the car engine heats as during usual drive up to temperatures 90 100 The lack of normal coolin g of the engine can result in block heating to temperatures higher than 100 C The use of industrial high power ventilators is required for the purpose of car cooling At the opening of the motor hood one should especially mind hot objects DO NOT TOUCH HOT OBJECTS WITHOUT PROTECTION Fire extinguisher It is required in the workshop Group Fire type Extinguishing means solids mainly of organic origin paper water foam CO coal wood also plastics extinguishing powder flammable liquids and matters that melt Foam dry powder CO fuel oil acetone melting plastics E N Ta Group A B C D fires close to electrical Extinguishing powder appliances CO x Gases methane propane Slon powder 2
35. ure indicator should be monitored to prevent the engine overheating Cars during the measurements are very often accelerated on the dyno up to speeds over 200 km h unfortunately stream ventilators produce only about 100 km h air speed at the output Even airflow of 4000 I s 14400 m h can be unable to assure cooling equivalent to normal drive cooling at speeds of 200 km h 15 Chassis Dynamometr user manual 6 DynaVtech Program Launching 6 1 Device status check up After launching the program an information is displayed showing software number and version along with the status of devices connected to the dyno About Dyna tech Status Dynatech ver 4 9 x xx Pilot IF Software Marek Bor wka Dunod anager Support at tuning vtech pl or via telephone Standalone LCD 48 12 6589 66 66 Barometer WWW vtech pl h D Thermometer Thiz program i a part of TECH dynamometer and cannot be used as stand alone i Brakes Z Input Card Legen o OK o Off Z Alert Not checked A The possible errors are barometer thermometer and display e the display plug is not connected check if the communication cable is connected to a serial port or USB port e display power supply is off check if the power cable is connected brake e brake power supply is off check if brake power is in on position e the brake plug is not connected check if the communication cable i
36. ventilation In the case of combustion gases smell the room should be immediately aired and the persons present should leave it If headaches nausea dizziness are reported the doctor should be contacted immediately It is not recommended to perform few measurements in turn because of increased temperature of the engine and of the room 26 Chassis Dynamometr user manual 10 3 Constant rpm mode This function man can find in upper tab next to Test Panel tab and it s usually applied in tuning of the LPG CNG systems or building a base ignition and fuel maps in stand alone engine control systems without overloading engine It allows maintaining desired rpm rate by applying additional load with eddy current brakes In the tuning panel current power on wheels is shown which allows on line tuning of a LPG CNG installation and obtaining the highest power possible Before starting the measurement the tested car should be fastened with bolts to suitable handles see Fastening of the vehicle To perform the measurement 1 Select appropriate dyno test mode in the program and press START Graphs TestPanel Const RPM RoadTest_ Database Settings Goal RPM Settings Step Shifts 1P Step o Start Stop Goal IUUU Geo sex om P qua 2 2 Speed up the vehicle wheels changing gears up at relatively low engine RPMs max 1000 rpm up to the gear in with the measurement will be performed 3 P
37. zziness are reported the doctor should be contacted immediately It is not recommended to perform few measurements in turn because of increased temperature of the engine and of the room a OA Chassis Dynamometr user manual Inertial mode with rpm suspension This dyno test mode has been designed especially for the purpose of measuring cars with turbochargers Holding the engine RPMs down improves spool up and allows to built up correct boost by the turbocharger RPMs releasing is realised by the remote control or after the time defined earlier is elapsed Before starting the measurement the tested car should be fastened with bolts to suitable handles see Fastening of the vehicle To perform the measurement 1 Select appropriate dyno test mode in the program and press START 2 Speed up the vehicle wheels changing gears up at relatively low engine RPMs max 1000 rpm up to the gear in with the measurement will be performed 3 Press the acceleration pedal home at first the computer will limit the RPMs as set in the program After the time set earlier is elapsed the brakes will be released allowing the engine to reach maximum RPMs gasoline engines usually up to approx 6500 7000 RPMs diesel engines 4500 RPMs Press the clutch pedal releasing simultaneously the gas pedal wait for self stopping of the vehicle During the test the acceleration pedal should be kept full throttle position ONE MAY NOT use the car bra
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