Ronald Valentine Engines

The finest miniature engines in the world

Cox 09

Here are some of the custom made Valentine Cox 09 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.

Technical Data:

Bore                          13.0 mm
Stroke                       11.4 mm
Rpm                          21,000 rpm
Total combustion       1.5 ccm
Weight                       80 gram
Intake                     Front Rotary

Price                         $235.00

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