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Right. No spark plugs? If they were really internal combustion, they’d be LOUD. Even a one cylinder model airplane engine is pretty ear-splitting at close range.
Looks like he was powering them with steam.
Those are beautiful machines.
Comment by Mike Y — August 15, 2012 @ 12:29 pm
Right. No spark plugs? If they were really internal combustion, they’d be LOUD. Even a one cylinder model airplane engine is pretty ear-splitting at close range.
Comment by J. Peterson — August 19, 2012 @ 3:17 am