Custom Intelligent Propeller manual
Contents
1. correspond to the target revs gt Indicates that the engine revs are increasing to match the target revs lt Indicates that the engine revs are decreasing to match the target revs Indicates that the system is in Manual mode it happens when the engine is off during the pre flight test 5800 The engine revs and the target revs are the same 100 Revs when the system is well balanced and the propeller pitch is at the correct value When the propeller pitch is at its MAXimum or at its MINimum indicated respectively by the Blue and by the Green LEDs the system is may not be balanced the Target Revs do not necessarily coincide with the Engine Revs 100 Revs S 100 Indicates the speed in Km h The speed range is 60 315 Km h The following abbreviations indicate the current flight phase Cs Constant To Take Off Go Around Mc Maximum Continuous Cb Climb Ld Landing Ds Descend Cz Cruise 6 of 15 When Cruising the system determines the Target Revs based on the MaP it essentially follows the torque curve of the Rotax engine however it also takes into account the Atmospheric pressure which is a function of the altitude 7 of 15 Installation Electric Installation The Unit has three two pin connectors Each pin is identified by No 1 or No 2 l The power supply connector next to the fuse 12V is to be connected through a dashboard switch and a dashboard fuse Negative to pin 1 Posit2. minimum of the propeller pitch as to allow for a number of maximum revs slightly less than the maximum recommended by the engine vendor for the take off phase So for Rotax engines 912 and 914 we suggest to adjust the maximum revs when the aircraft is at fixed point in a stand still position at 5600 5700 revs 11 of 15 The maximum pitch angle should be some 10 degrees more than the minimum 12 of 15 For the Pilot Pre Flight Test Switch on the Aircraft Master Switch but keep the engine off Switch on the Intelligent Propeller Power Switch Observe the IP display the read values should be close to these P 29 R 0000 S 000 00 0A P 29 The MaP reading in this case is to coincide with the Atmospheric Pressure Make sure the read value is correct R 0000 The engine is not running so the Revs value is to be R 0000 S 0000 The aircraft is not moving so the speed is to be S 0000 00 04 Increase the propeller pitch by rocking the switch to Observe the current value should be around 01 0A but it will vary while the propeller pitch travels towards the maximum Observe the Blue light flashing Observe the current value going to 00 0A and a steady Blue light when the propeller pitch is at its Maximum Switch the IP Off Start the engine Switch the IP On Observe the Green light flashing it indicates that the Propeller Pitch is traveling to its minimum The Green light will become stable on once the range Mini
3. CIP Custom Intelligent Propeller User Manual Version for Rotax 912S 1 of 15 Custom Intelligent Propeller General Description CIP Custom Intelligent Propeller controls automatically and intelligently the pitch of your electric variable pitch propeller A Main Unit and a Display Unit integrated within one single case make up the C I P Custom Intelligent Propeller C I P Custom Intelligent Propeller schematic diagram LCD Display a m l I F Motor MAP me EK Sensor Micro Altitude gt Processor ger Altitude IF REVs Count I F Software Progamme Leggend LCD Liquid Christal Display I F Interface REVs Revolutions of the Engine MAP Manifold Pressure Press Pressure 2 of 15 C I P Custom Intelligent Propeller Main Unit The C I P Main Unit is made up by a two face rectangular Printed Circuit Board It contains 1 The Microprocessor that executes the program to control the pitch of the propeller 2 An EEPROM Electrically Erasable Programmable Read Only Memory to store the program 3 An EEPROM used as non volatile memory to store the custom parameters associated with the Aircraft model and the adopted propeller type 4 An Analogue to Digital converter necessary to digitalize the input parameters to the microprocessor 5 A digital anemometer to measure the aircraft speed in Km Hour 6 A digital interface to the Manifold Pressure sensor in Hg inches 7 A digital interfac
4. e to the Altitude pressure sensor in Hg inches 8 A digital counter to measure the engine Revolutions Revs 9 An Ampere meter to monitor the propeller motor current 10 Two high current relays used as actuators back foreword 3 of 15 The Display Unit is contained within a black PVC round support of standard dimensions 80 mm suitable to be installed on the dashboard as a normal aeronautical instrument It contains the following commands and indications COMANDS 1 A rocking switch used to increment or decrement the propeller pitch during the pre flight test with a no running engine This is ineffective during flight INDICATIONS 2 A digital LCD display 24 characters on two rows wide reading angle With LED Backlight 3 A Green LED a Indicates the Minimum propeller pitch end of range when lit stable b Indicates the propeller pitch decreasing when flashing 4 A a Indicates the imum propeller pitch end of range when lit stable b Indicates the propeller pitch increasing when flashing 4 of 15 How CI P Custom Intelligent Propeller works The system automatically determines the flight phases which are Take Off amp Go Around Indicated with To Maximum Continuous Indicated with Me Climb Indicated with Cl Cruise Indicated with Cz Descend Indicated with Ds Land Indicated with Ln The anemometer has an accuracy of 5 Km h within the range 60 315 Km h The Manifold Pressure MaP is indicated in i
5. f 15 Behaviour The system will target a Revs value dependent upon the MAP and the Atmospheric pressures following the engine maximum torque curve as it normally does when in cruising phase Case 4 Failure Either the MaP or the Atmospheric pressure sensors do not work Behaviour When the aircraft is below the speed of 145 Km h the system behaves as it normally does during the Takeoff or the Climb phase Behaviour When the aircraft speed is higher than 145 Km h the system will target any value between 4000 and 5500 Rpm In case the Revs value should be unacceptable reduce the speed below 145 Km h Case 5 Failure The Revs counter does not work Behaviour The system will stop controlling the propeller Case 6 Failure The computer does not work Behaviour The system will stop controlling the propeller Case 7 Failure The Unit misses the 12v power Behaviour The system does not control the propeller which stays as it is Electric protection of C I P CIP comes with a 20 Ampere fuse on the main unit In addition a dash board switch and a fuse or a thermal circuit breaker are to be installed to protect the assembly Propeller CIP The value of such fuse is about double the normal propeller current As an example if a propeller requires a current of 2 Amps to work the thermal circuit breaker on the dash board is to be 4 or 5 Amps Notes on the mechanical set up of the propeller We suggest adjusting the mechanical
6. ive to pin 2 The fuse or the thermal breaker on the dashboard is to be of a value suitable to supply the proper current to the installed propeller Usually 50 more than the max current drawn in normal operations The central connector PROP is to be connected to the propeller motor See Functional Test further on to determine pin polarity The RpM connector is to be connected to the pick up of revs counter Signal to Pin 1 Ground to Pin 2 Pneumatic Installation 0 Speed The Dynamic and the Static pressure inlets are to be connected through plastic hoses of 4 mm internal gauge to Y or T derivations on the hoses from the Pitot outlets dynamic and static to the anemometer MaP The MaP inlet is to be connected through a plastic hose of 4 mm of internal gauge to the engine MaP outlet Notice Insert a paper filter inside the hose before connecting it to the unit The paper filter can be of the type used as cigarette filter It needs to be squeezed in the hose possibly using some talc to ease it in Failure to install the filter could cause petrol vapor to reach and damage the MaP sensor 8 of 15 Functional test 1 Connect only the power plug Make sure that o Negative wire is on pin No 1 o Positive wire is on pin No 2 2 Switch on the master and the C I P Custom Intelligent Propeller switches 3 Observe the display you should see P 30 R 0000 S 000 00 0A Should the script not ap
7. mum is reached P XXx The MaP value is to vary with the engine throttle R 2000 13 of 15 The Revs value is to be consistent with the Engine revs counter S 000 Ln5500 Observe this value on the bottom right of the display It is to change to T05800 When the pilot goes full power with his throttle control Should the IP behave any differently than as described above do not flight your Aircraft and seek for professional help Take Off Make sure the indicated values of the Revs and MaP are reliable and trustworthy When you give full power for take off make sure 1 The green light is on 2 The revs increase and reach at least 5500 RpMs If the Revs do not reach 5500 RpMs immediately abort taking off The green light may go off during climbing This is normal 14 of 15 Responsibility and liability Responsibility and liability is totally and utterly with the Pilot and with the owner of the aircraft In no circumstances Flyzone srl may be held responsible for damage to people or goods 15 of 15
8. nches of Hg Mercury within the range 0 35 and with an accuracy of 4 When the Speed is lower than the takeoff threshold i e 115 Km h and the MaP is high the system is in Take Off amp Go Around mode To and the Revs target value is 5800 RpM for a maximum time of 2 4 minutes After 2 2 minutes if still in Takeoff CIP switches to Mc i e 5500 RpM When the Speed is between 115 and 145 Km h the system is in Climb Mode Cb and the Revs Target value is 5500 RpM When the Speed is Higher than 145 Km h Custom Adjustable value the Revs target value depends upon the MaP and the Altitude Essentially it follows the torque curve of the engine vertically adjusted by the Altitude pressure value which is part of the equation The Speed thresholds have a hysteresis range set at 5 Km h in order to improve the system stability So C I P Custom Intelligent Propeller adjusts the pitch to optimize the propeller engine efficiency The pilot does not adjust the propeller pitch He gets all the advantages of a variable pitch propeller without controlling it Display Description P 29 R 5800 S 100 To05800 5 of 15 P 29 Indicates the Manifold Pressure MaP in inches of mercury 29 and in inch quarters Indication Value 147 1 4 R 5800 R Stands for Revolutions per minute RpM Indicates the system is balanced in fact the engine revs
9. pear make sure the 12V is ON particularly check fuses and polarities with inverted polarities the fuse blows and the Unit may get damaged 4 Try to Increase and Decrease the Pitch by using the PITCH Switch Listen to the relays activating on the Main Unit notice the LED s the green light should go on when activating Pitch the blue light should go on when activating Pitch 5 Connect a syringe of 5 or 10 CC to the Pitot pipe by using a piece of hose Slightly pump some pressure in the syringe and observe the anemometer of the aircraft and the Speed indicated by CIP they should coincide 6 Switch off the CIP 7 Switch off the master switch 8 Connect the propeller motor connector the Unit 9 Switch on the C I P Custom Intelligent Propeller 10 Increase the propeller pitch make sure the pitch of the propeller does increase 11 Decrease the propeller pitch make sure the pitch of the propeller does decrease In case the pitch went the opposite directions reverse the wires at the propeller electric brushes 12 Make sure the propeller pitch motor stops at the two end positions The Green LED must light when the propeller reaches the Minimum pitch The Blue LED must light when the propeller reaches the Maximum pitch 9 of 15 13 While you increase or decrease the propeller pitch you can read the value of the intensity of the current drawn by your propeller motor The value is shown on the right bot
10. tom corner of your Display and is indicated with an accuracy of 1 10 of Ampere This read value will drop to zero when the propeller reaches one of the two ends of its range because the end of range micro switch opens the electric circuit thus stopping the propeller motor 14 Switch off C I P Custom Intelligent Propeller 15 Connect the Revs counter 16 Start the engine 17 Switch on the C I P Custom Intelligent Propeller 18 Make sure the indicated Revs are correct If the Revs counter does not work CIP will not be able to adjust your propeller 19 Observe the script To5800 Takeoff 5800 and eventually the green LED lit Custom Intelligent Propeller Malfunction Analysis Custom Intelligent Propeller is a fully automatic system that controls your variable pitch propeller without any pilot intervention This chapter explains how the system behaves in case a malfunction should occur Case 1 Failure The anemometer does not work and it indicates a value within the TO range Lower than 115 Km h Behaviour The system will target the Take off Revs value 5800 Rpm After 2 2 minutes the system will target the maximum continuous Revs value 5500 Revs Case 2 Failure The anemometer does not work and it indicates any value within the 115 and 145 Km h Behaviour The system will target the Climb Revs value 5500 Revs Case 3 Failure The anemometer does not work and it indicates any value higher than 145 Km h 10 o
Download Pdf Manuals
Related Search