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Author Topic: OPITEC, Hot Air Engine.......  (Read 2074 times)

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Re: OPITEC, Hot Air Engine.......
« on: April 07, 2019, 05:31:08 pm »
excellent work and a great runner. I have only built one hot air engine (1/2 scale essex). It was from a casting kit and still challenged my skill level to finally get it running. I am super impressed!
crazydoug