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Bently Rotary Aero Engine

By spikemoz
This egine is the final development of the Bentley Rotary engine which was first fitted to the WW1 Sopwth Camel bi-plane fighter, which was flown by Captain W. E. Johns' fictional hero Biggles. The single throw crankshaft was fixed to the fuselage front bulkhead and all nine connecting rods went to a single big end bearing. The propeller was fixed to the front of the engine crankcase and the entire engine rotated around the crankshaft. The engine is located in the Science Museum, London.

There is no serial number on the makers plate, so I suspect this engine never saw service.

This is a shot of the push rod valve gear.

This is a picture of the valves and rockers. Notice the unusual spiral valve springs and you can see the top face of the exhaust valve, so the exhaust gasses vented straight out into the open air.


Tags: Transport Landscape and travel Flash and lighting

Voters: riprap007, Crabtree99, andrewrit and 14 more

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riprap007 16 1.6k 37 England
26 Mar 2009 12:17AM
fine piece of engineering and documentary images
gary_d 13 576 13 Wales
26 Mar 2009 12:50AM
A great series of very interesting images and a very informative write up to accompany them. - gary
26 Mar 2009 9:04AM
Such a well photographed set of detailed images Spike. Your description once again is full fascinating info.
wrinkles 12 351 United Kingdom
26 Mar 2009 11:38AM
Great technical pictures.
Techno Plus
12 6.1k 8 England
27 Mar 2009 2:06PM
Very interesting capture's..

Actuarius 14 1 United Kingdom
29 Mar 2009 4:56PM
Very nicely lit, a shame about that damned label!

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