Gnome 50 HP 7 Cylinder Rotary aero engine

Laurent Seguin

Gnome 50 HP 7 Cylinder Rotary aero engine, with metal engine to fuselage gasket, designed by Louis Seguin and Laurent Seguin, and made by Societe des Moteurs Gnome, France, 1908-1914. The engine has seven cylinders, machined out of solid nickel-chrome-steel ingots. The cylinders and crank-chamber revolve around the stationary crankshaft. The carburettor, which is stationary, is of the single-jet type and feeds the engine through the hollow crank shaft. The connecting rods all operate on a single crank pin. Henri Farman used this type of engine to win a prize for the greatest distance flown (180 km), setting a World record.

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Science Museum: Flight Gallery

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Related people


Aircraft Propulsion
Object Number:
cast iron, chromium plated, incomplete, nickel and steel (metal)
internal combustion engine
  • furnishing and equipment
  • tools & equipment
  • engine - power producing equipment
Imperial War Museum

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