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MVVS 35 IFS User Manual

Operating instructions, Version 2.1

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Operating instructions

MVVS 26 IFS

č

.: 3094IU

MVVS 26 IFS SP

č

.: 3094SP

MVVS 35 IFS

č

.: 3098I



Version 2.1

Before using the engine, carefully read these instructions


Congratulations on choosing the gas engine MVVS 26 ccm (35ccm).
MVVS 26 and 35 has been designed and manufactured for propeller-powered radio-controlled model planes. It is able to
meet all of your expectations of an acrobatic racing engine.

Technical specifications


MVVS 26ccm
Bore

33 mm

Maximum power output **

3.8 PS/9000 RpM

Stroke

30.1 mm

Maximum torque **

3.1Nm/8000 RpM

Weight of complete engine
without ignition*

936 g

Fuel

Unleaded 95-octane fuel

Weight of ignition unit

165 g

Lubrication

Oil with petrol in mixture 1:40

RpM range

1400 – 9500



MVVS 35ccm
Bore

35.5 mm

Maximum power output **

4.1 PS/8500 RpM

Stroke

35.2 mm

Maximum torque **

3.8 Nm/7500 RpM

Weight of complete engine
without ignition*

1493 g

Fuel

Unleaded 95-octane fuel

Weight of ignition unit

165 g

Lubrication

Oil with petrol in mixture 1:40

RpM range

1400 – 9000

* The value in the table above stands for the weight of a completely assembled engine, including the spark plug,
carburetor, drive washer and prop screws.
** Power output varies with the exhaust used. The value given in the table stands for the maximum available power
output.

Engine’s dimensions

A
mm

B
mm

C
mm

D
mm

E
mm

26 IFS

146

99

50

70

60

35 IFS

182

118

60

84

70

F
mm

G
mm

H
mm

I
mm

J
mm

26 IFS

31

4,3

M10x1

10

33

35 IFS

41

5,3

M10x1

10

45


Safety precautions

1)

Never use the engine for any manned vehicles.

2)

When operating model planes, always follow the rules and laws in effect in your country.

3)

The manufacturer declines all responsibility for all damages arising from the operation of models and other
appliances droved by MVVS engine.

4)

Always use original spare parts.

5)

Never tamper with the engine construction.

6)

Before each flight check that all the propeller screws are tightened up and in good condition. If you use a
spinner, check that it is tightened up, too. When mounting the spinner always follow the assembly
instructions.

7)

Before each flight check that all the propeller screws are tightened up and in good condition. If you use a
spinner, check that it is tightened up, too. When mounting the spinner always follow the assembly
instructions.

8)

Periodically check that the engine is firmly fixed to the engine mounts. Never start a loose engine!

9)

Always use a balanced propeller! Always replace the propeller when damaged!

8)

Make sure that no part of your body intersects the plane of the spinning propeller.