Before using the engine, carefully read these instructions
Congratulations on choosing the gas engine MVVS 30 ccm.
MVVS 26 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
Bore
35 mm
Maximum power output **
4,1 PS/9000 RpM
Stroke
31 mm
Maximum torque **
3.5 Nm/8000 RpM
Weight of complete
engine without ignition*
930 g
Fuel
Unleaded 95-octane fuel
Weight of ignition unit
195 g
Lubrication
Oil with petrol in mixture
1:40
RpM range
1400–9500
* 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
146
99
50
70
60
F
mm
G
mm
H
mm
I
mm
J
mm
31
4,3
M10x1
10
33
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)
Before starting the engine always make sure that the model is safely fixed in place and cannot start
moving.
9)
Fuel is combustible and therefore must be kept in an enclosed container at a safe distance from the
engine when it is running.
10)
When preparing fuel carefully follow the manufacturer’s or dealer’s instructions.
