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Frank Waterton and his 'six'

Frank Waterton from Manchester was a long standing competitor with tethered hydroplanes, including his A Class 'Tally Ho' that featured as a Pitbox item in 2009. The complex, six cylinder motor seen here won the premier award at the 1951 Northern Model Exhibition. The design was started some years before and grew from a four to a six. The gear driven twin overhead cams operate the valves through rockers and just to add more machining complication, the crankshaft has seven main bearings. A desire to keep the engine in one piece led to it being installed in a twin screw, straight running boat with a clutch and gearbox. The engine was described in ME in 1953.

Image by courtesy of the Westbury Family.

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