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Old 26-12-2013, 08:19 PM   #18
Charliewool
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Join Date: Jan 2005
Location: Ojochal, Costa Rica (Pura Vida!)
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Default Re: Aussie invention eliminates piston rings

Rotary valve cylinder head was another that hasn't really materialised..
No cams, pushrods, valves, valve springs....
Great concept, but no idea what happened to it?
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