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Author Topic: progress at the navy boatyard  (Read 12133 times)

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Re: progress at the navy boatyard
« Reply #15 on: March 06, 2024, 07:16:04 am »
worked from period plans and photos of the real engines made by the navy, one photo is an over restored slightly later engine with a piston valve on the HP, one photo of the smallest model, (found in Alaska, it was grease packed and coated for storage)