Ronald Valentine Engines

The finest miniature engines in the world

Chris & Ronald

Here is an opposed twin Chris and Ronald Valentine built in 1984. The engine was manufactured at the University in Stuttgart-Germany. In those days the University had better machines but, now we do. Thanks to all of our friends at the University that gave us this opportunity.

Technical Data:

Bore                         13.5 mm
Stroke                      11.0 mm
Rpm                          16,300 rpm
Total combustion      2x1.76 ccm
Weight                     175 gram

Price                         $355.00
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