The interesting horizontal-opposed Jopson gasoline engine for model aëroplanes. The top photograph shows the half-speed shaft and the arrangement of the valve mechanism. This engine is air cooled, develops 1 h.p. at 1,500 r.p.m., and weighs 7¹⁄₂ lbs., including gasoline tank and propeller. The bottom view shows the engine with propellerin situ. CourtesyFlight.
The interesting horizontal-opposed Jopson gasoline engine for model aëroplanes. The top photograph shows the half-speed shaft and the arrangement of the valve mechanism. This engine is air cooled, develops 1 h.p. at 1,500 r.p.m., and weighs 7¹⁄₂ lbs., including gasoline tank and propeller. The bottom view shows the engine with propellerin situ. CourtesyFlight.
The interesting horizontal-opposed Jopson gasoline engine for model aëroplanes. The top photograph shows the half-speed shaft and the arrangement of the valve mechanism. This engine is air cooled, develops 1 h.p. at 1,500 r.p.m., and weighs 7¹⁄₂ lbs., including gasoline tank and propeller. The bottom view shows the engine with propellerin situ. CourtesyFlight.