Ronald Valentine Engines

The finest miniature engines in the world

Cox 15

Here are some of the custom made Valentine Cox 15 diesel engines that we modified over the years. We produced about 40 different types. We produced them with front rotary, rear reed, rear drum rotary or disc valves. Some with dual ports and other schnuerle ported. Most of our engines were anodized in different colors.

Technical Data:

Bore                         15.0 mm
Stroke                      14.0 mm
Rpm                          19,100 rpm
Total combustion       2 .5 ccm
Weight                      130 gram
Intake                     Front Rotary

Price                         $245.00

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