VALACH VM R5-420

Cylinder:
5
Displacement:
420 cc
Output:
ca. 25 hp
Bore:
47 mm
Stroke:
48.5 mm
Diameter:
425 mm
Length from engine mount to prop hub:
255 mm
Weight:
11.8 kg
Ignition voltage range:
6 - 9 V
Idle RPM:
800
Max RPM:
4500 
Propeller size:
Fiala Prop 2-Blade:
                    38x24" to
42x20"
Fiala Prop 3-Blade:
                    36x24" to
40x18"

Fuel:

1:25 - 1:33