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Walter Gemma



First run c.1934, the Walter Gemma was a Czechoslovakian nine-cylinder, air-cooled, radial aero engine that was developed and manufactured in the early 1930s by Walter Aircraft Engines.


Nuri Demirağ Nu D.36
Praga E-39


Type: 9-cylinder radial piston engine
Displacement: 9.35 L (570.6 cu in)
Valvetrain: One intake and one exhaust valve per cylinder
Fuel system: Zenith carburettor
Fuel type: Petrol
Cooling system: Air-cooled
Power output: 165 hp (123 kW)







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