Dimensions / Manual / Application
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1. of damage or deterioration of performance parameters If the motor operates within the range recommended in technical specifications its lifetime is limited by mechanical endurance only Suitable combinations of propellers and supply sources see the table Area of application Motor Maintenance AC electric motors are not maintenance demanding The same applies to MVVS motors as well as maintenance only involves keeping the motor in dry and clean condition If no accident happens motor service life is only limited by lifetime of bearings in hundreds of hours depending on flying style and loading Wear of bearings shows by increased noise and radial allowance Every accident may decrease bearing lifetime significantly We recommend entrusting the manufacturer with replacement of bearings If you decide to replace parts by yourselves then always use original parts and MVVS tools only Note Screws used for motor installation can be loosened using the Torx 9 spanner Screws on the crankshaft should be heated first to approx 100 C to disengage locking glue Cover screws are treated with special paste against seizure Never wipe off this material to make possible next disassembly2. Warranty Information The MVVS Company gives 36 month warranty applying to manufacture and material defects of the electric motors Warranty does not apply to Damages due to an accident Damages due to unprofessional handling or disassembling the product Damages due to use of an unbalanced or damaged propeller Damages due to usage of unoriginal spare parts or accessories Damages due to intaking foreign objects or substances such as water chemicals dust etc Damages due to incorrect use such as application of incorrect supply voltage Damages due to incorrect assembly provision of sufficient cooling Contact MVVS Ltd t Kpt Jaro e 35 60200 Brno Czech Republic Tel 420 545 211683 Fax 420 545 211 418 E mail mvvs mvvs cz Web www mvvs cz Certificate of Warranty Sell by date Seller Buyer s name and address Electricmotors S MVV yee MVVS 2 0 1120 and 2 0 1600 MVVS 2 5 1120 2 5 1350 and 2 5 1480 User s Manual 1 1 Congratulations on buying the MVVS series 2 0 2 5 AC sensor free electric motor designed for driving aircraft models Owing to used materials brand name unified parts and high production precision this product features high quality long service life and top performance parameters This motor is intended owing to used conception combining advantages of static motors and those with external rotor for direct driving the propeller and thus for all types of a
3. ircraft models including FUN FLY In addition this conception is extremely suitable for glider models Specification Shaft diameter _____ 4mm _ 4mm_ 4mm 4mm 8 Recommended 6 144 9 20A 10 20 A 12 24 A 15 30 A amperage loading Maximum loading 20A 30s 25A 30s 25A 30s 30A 30s 35A 30s Number of cells 109g 109g 109g Dimensioned Sketch 2 0 A 31 5 mm B 32 5 mm C 49 mm 2 5 A 36 5 mm B 37 5 mm C 54 mm Area of Application Accumulator Propeller 2 0 1120 3 Li xx APC el 10 x 5 4 Li xx Aer Glas 8 5 x 5 3 Li xx Aer Glas 9 5 x 6 Minithotliner 0 8 kg 3 Li xx Aer CAM 9 x 5 Double motor model up to 1 8 kg 3 Li xx Aer Glas 8 5 x 6 Training model 1 2 kg 2 Lixx Aer Glas 9 5 x 6 Glider 1 2 kg 2 Li xx Aer CAM 9 5 x 5 FUN FLY 0 6 kg 2 Li xx APC el 10 x 5 Acrobat 0 7 kg 3 Lixx Aer Glas 8 5 x6 APC 8x4 2 0 1600 Minihotliner 0 8 kg 3 Li xx Aer Carb 7 x 4 5 Glider 1 6 kg 3 Li xx Aer CAM 10 x 6 7 Minihotliner 1 kg 4 Li xx Aer CAM 9 5 x 5 Double motor model up to 2 5 kg 3 Li xx Aer Glas 9 5 x 6 7 Training model 1 7 kg 3 Lixx Aer Glas 9 5 x 6 APC 9x6 Glider 1 7 kg 3 Li xx Graup CAM 9 x 5 FUN FLY 0 8 kg 3 Li xx APC el 10 x 5 Acrobat 1 kg 3 Lixx Aer Glas 9 5 x 6 APC 9x6 2 5 1350 FUN FLY 0 85 kg 4 Lixx APC el 9 x 4 5 Acrobat 1 kg 4 L
4. ixx Aer Glas 9 5 x 6 25 1120 Training model 1 6 kg 3 Li xx Aer Glas APC 10 x 7 Minithotliner 1 1 kg 4 Li xx Aer CAM 9 x 5 Training model 1 2 kg 2 Lixx Aer Glas 10 5 x 7 Glider 1 2 kg 2 Li xx Aer CAM 10 x 6 7 Pylon model 4 Li xx APC el 9 x 4 Acrobat 1 2 kg 3 Lixx Aer Glas 8 5 x 6 2 5 1480 Minthotliner 1 1 kg 3 Li xx Aer CAM 9 x 5 Safety Instructions 1 2 3 4 5 6 1 8 9 10 11 12 13 14 Use the motor for designed purposes only When operating models follow regulations and laws effective in your country The manufacturer is not responsible for possible damages caused by operation of models and devices driven by the MVVS motors Use only original spare parts Never interfere into the motor structure Before every flight check tightness of the propeller screw or chuck If the propeller cone is used check its fixation as well When mounting the cone always follow appropriate instructions Check attachment to the motor bed regularly Never start up loosened motor Use well balanced propellers only Immediately replace damaged propellers or propellers that touched the ground Never stand so that parts of your body are in the plane with the rotating propeller Apply the same principle for bystanders Never wear loose drifty clothing tie scarf etc when operating the model Never try to stop the motor with any part of your body Before starting the m
5. otor secure the model from setting in motion Keep all small objects in the safe distance from the running motor and never throw any objects into it When operating the motor pay attention to keep possible bystanders especially children at least 10 m away 15 Never rectify the axis bent during an accident but provide its replacement Do not start the motor immediately after an accident but check it first The contaminated motor should be delivered to the manufacturer for repair Motor Installation into a model Drill a central hole 13mm in diameter and other holes for motor screws according to the sketch into the motor bulkhead in the model nose unless already provided by the manufacturer In addition drill at least 4 holes at least 8 mm in diameter for cooling air supply so that to be positioned directly opposite to inlets in the face of the installed motor Use at least 2 screws M3 for fixation so that they penetrate min 5mm and max 7mm into the motor In case shorter screws are used there is a danger of thread extraction If longer screws are used there is a danger of motor seizure or mechanical damage When only two screws are used they should be located symmetrically to the motor axis For motors designed to be driven by a combustion engine use the bed for rear assembly supplied as special accessories Never forget about holes for cooling air outlet which is the necessary condition for correct cooling function The rear motor cover i
6. s equipped with three connectors 3 5mm in diameter for connecting the motor to the controller In case the used controller is fitted with connectors of different diameters or its female connectors do not adhere firmly to the motor connectors replace them with those supplied as motor accessories Use of incorrect connectors may cause damage to the motor and controller Replace any two supply cables if the motor rotates in the opposite direction Use high quality chuck adapters of 4mm inside diameter for gripping the propeller If an unsuitable or poor quality adapter is used the rotating propeller may slip off and cause serious injury Drive Optimisation By means of correct choice especially of propeller accumulator and controller parameters it is possible to change driving unit properties within wide range and thus flight behaviour and attained flight time Use data mentioned in tables as guidance for your decision making In case other propeller is used than that mentioned it is necessary to check max current using a clip on ammeter Use the controller that will supply current values mentioned in specifications with reserve We recommend use of the 22 44 A controller depends on the motor type The regulator advance should be set to 20 25 or higher and frequency to 8 kHz As to supply accumulators do not exceed max discharging currents because there is a danger of destruction Do not overload the motor unnecessarily because there is a danger
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