Benzinmotor MVVS 40 Graupner 2781

Benzinmotor MVVS 40 Graupner 2781 Motors developed especially for model building. The motors have multiple ball bearing support. Thanks to the electronic ignition system with integrated ignition point advance, startup is very simple and does not require a lot of strength. Depending on the size of the model, the motors can be used for aerobatic aircraft or model tugboats.
Delivery includes instructions, ignition system, and propeller attachment material.
40 cc displacement

Ratio oil/fuel: 1:40
Width : 84 mm
Shaft thread: M10x1
Distance of screw hole /longitudinal: 41 mm
Carburettor : Walbro
All-up weight, approx.: 1457 g
Height approx.: 118 mm
Diameter of fixing hole: 5,3 mm
rpm range, approx.: 1400-9000 U/min
Bore: 38 mm
Distance of screw hole / crosswise: 70 mm
Cylinder capacity: 39,7 cm³
Recommended propeller: 18x8'-22x10'
Length to hub: 137 mm
Stroke: 35,2 mm