Ronald Valentine Engines

The finest miniature engines in the world

Comet Diesel
1956 Comet 2.5 Diesel Engine

Technical Data:


Bore                              15.0 mm
Stroke                           14.0 mm
Rpm                          17,000 rpm
Power                           0.27 Hp
Total combustion          2.47 cc
Weight                           160 g
Intake                         disc valve



VEB Berliner Aufzugsbau was an escalator company in East Berlin that manufactured this beautiful team race diesel engine.

Comet 2.5 disc valve racing engine

Comet 2.5cc 

1956 Comet 2.5cc diesel engine

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