Valach VM 420 R5
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Valach 420cc R5 radial gas 4stroke engine with electronic ignition and electric fuel pump incuded - This motor has been designed from the ground up for fuel pump usage, the Fiala/APS fuel pump is already included (US$250 value).
- 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"
Valach motors were designed with Fiala props in mind. Should you want to run the shown pitch and diameter recommendations you WILL need to run a Fiala prop. Should you want to run props of a different brand you will most likely have to drop 2 in pitch due to Fiala's unique airfoil choice. Other brands plain run at a higher drag rate.
Very convenient to have as the Valach does not come with preinstalled throttle and choke horn: