Monthly Archives: September 2013

Doble Auxiliary V-2 Engine

  This is a Doble auxiliary engine designed for F-31 that was not used for such.  It is double acting compound piston valve.  HP is 1.531 inches, LP 2.575 inches and stroke is 2.00 inches.  Engine has ball-bearing mains.  Valve … Continue reading

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Doble “F” Engines

  Here are Doble “F” engines from the Besler years at the Doble factory.  These were designed by Stanley Whitlock and most of them were sold overseas, mostly to Germany in the 1930’s.  You will note the piston valves between … Continue reading

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Doble “F” Boilers

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Doble “E” Engine

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Yuba Tractor

  Derelle & Marc Lothrop April 9, 1950

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