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Zündapp 9-092
Zündapp Z 92



The Zündapp 9–092 or Z 92 was a German four-cylinder, air-cooled, inline aero engine made by Zündapp and used in light aircraft of the late-1930s.
The engine was developed from the smaller Zündapp 9-090. This inverted engine featured dual gear-driven camshafts with the valve rocker cover acting as the oil tank. It featured a single Bosch magneto ignition system. A total of approximately 200 engines were produced.


Brunswick LF-1 Zaunkönig
Bücker Bü 180
Fieseler Fi 253
Gotha Go 150
Klemm Kl 105
Siebel Si 202


Type: Four-cylinder air-cooled inverted inline piston aircraft engine
Bore: 85 mm (3.35 in)
Stroke: 88 mm (3.46 in)
Displacement: 2 L (122 cu in)
Length: 800 mm
Width: 350 mm
Dry weight: 60 kg (132 lb
Valvetrain: Overhead valve
Fuel system: Downdraught carburettor
Cooling system: Air-cooled
Power output: 37 kw (50 hp) at 2,300 rpm
Compression ratio: 6.2:1
Power-to-weight ratio: 0.62 kW/kg (0.38 hp/lb)







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