Supermarine Napier S5, 1927.
© Science Museum / Science & Society Picture Library
Model (scale 1:16). This aeroplane won the Schneider Trophy in 1927, at 454 kmph (281.7 mph). It was designed by Reginald J Mitchell (who also designed the S6B seaplane and the Spitfire fighter). The Jacques Schneider Air Racing trophy for Hydro-aeroplanes, was first offered in 1913 by the Jacques Schneider armaments works to encourage the development of marine aviation.