OS MAX 91 SZ-H PSHyper Graupner 2712

OS MAX 91 SZ-H PSHyper Graupner 2712 14.95 cc capacity
Helicopter motor, as Order No. 2710, but with fuel pump.

Capacity [cc]: 14.95
Power approx.[kW (BHP)]: 2.43 (3.3) at 15,000 rpm
Rotational speed approx.[rpm]: 2,000 - 16,000
Bore [mm]: 27.7
Stroke[mm]: 24.8
Carburettor: 60 M-C
Shaft thread: 5/16"-24 UNF
Weight approx.[g]: 650