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This perfect model is made by Dave Goetsch
You help us to design faster. THANK YOU SO MUCH !!!!!!
This engine as the Karl-Erik Olsryd 9-cylinder quarter scale model of the Wright J-5 Whirlwind
see all the workings of the complete valve train, intake blower, gear box, distributor, planetary gears, etc. One exception is the valve springs
Link to download free 3D model STEP, STL
http://activeterium.com/HpFM
http://activeterium.com/HpHP
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