Ronald Valentine Engines

The finest miniature engines in the world

Webra Boxer
Webra Boxer 7.6cc Diesel Engine

Technical Data:



Bore                              17.0 mm
Stroke                           16.8 mm
Rpm                           12,000 rpm
Power                             0.8 Hp
Total combustion            7.6 cc
Weight                           460 g
Intake                          rear drum


Mr. Ruppert was the designer of these engines. Webra Manufactured them und license for about one year. The engine was too expensive and the Webra crank shafts weren't manufacture properly.



1959 Webra Opposed Twin Diesel Engine

1959 Webra Boxer 7.6cc 

Webra Opposed Twin 7.6cc

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