Graupner,OS MAX 50 SX-HG,1921

OS MAX 50 SX-HG Graupner 1921 Twin-ballraced. With piston ring and extreme heat-sink
head. Long ground 8 mm Ø crankshaft nose,
designed for the STARLET 50 model helicopter
and UNI MECHANICS 40 in conjunction with
a ballraced clutch.

8.17 cc capacity
Power kW (BHP) approx. 1,25 (1,7) bei 16000 rpm
Speed range rpm approx. 2000~17000
Bore 22,0 mm
Stroke 21,5 mm
Shaft thread 1/4-28 UNF
Weight 390g