Graupner,OS MAX 12 TR(P)-T E-Spec.,1937

OS MAX 12 TR(P)-T E-Spec. Graupner 1937 The OS MAX 12 TR (P)-T »E Spec.« motor is a high-performance rear-exhaust 2.11 cc power plant, specially developed for competition work with radio-controlled 1:10 scale model racing cars. The design fulfils the exacting requirements of the world´s most experienced drivers. A comprehensive research, development and prototype programme has resulted in the creation of the most powerful production RC model car motor available.

Optimised piston/liner system.
Glowplug insert .
Special car crankshaft.
0.95 kW (1.3 BHP).
Slide carburettor.
P6 turbo-glowplug.

Capacity 2.11 cc
Power approx. kW (BHP) 0.95 (1.3) at 30,000 rpm
Speed range approx. 4,000~38,000 rpm
Bore 14.0 mm
Stroke 13.7 mm
Carburettor 11A
Shaft thread 1/4" - 28 UNF
Weight approx. 210 g (excl. air filter)