Historical sources for the WOG RAF SE.5a.

The initial models of the S.E.5a differed from late production examples of the S.E.5 only in the type of engine installed – a geared 200*hp Hispano-Suiza 8b, often turning a large clockwise-rotation four-bladed propeller, replacing the 150*hp H.S. 8A model.

Beauchamp-Proctor's former wingman, "Child Yank" Boudwin (center) with 25th Aero Squadron groundcrew, and his last S.E. 5a, F8010.

The introduction of the 200*hp (149*kW) Wolseley Viper, a high-compression, direct-drive version of the Hispano-Suiza 8a made under licence by Wolseley Motors Limited, solved the S.E.5a's engine problems and was promptly adopted as the type's standard powerplant.

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  2. C4B07781 B05C 4435 A93C 253B8A2490FA
  3. CDC778AE BDEA 495A B357 629412137C7D
  4. E49DD4AE BCB4 47F0 82E3 4D36B5DC7B80
  5. 6AE28BD1 1135 4F98 93EF A3E11CF49CF0
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