Ronald Valentine Engines

The finest miniature engines in the world

Rumpel TR 15
Emil Rumpel Tr 15 / 2.5cc

Technical Data:


Bore                              15.0 mm
Stroke                           14.0 mm
Rpm                          28,700 rpm
Power                           0.43 Hp
Total combustion          2.47 cc
Weight                           145 g
Intake                             front



The German Emil Rumpel manufactured a hand full of different team race 15 size engines and this is one of them. He mostly used Rossi parts and modified them.


Rumpel TR 15 / 2.5 cc

1968 Rumpel TR 15 Glow 

Rumpel 2.5cc

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