The Zündapp 9–092 or Z 92 was a German four-cylinder, air-cooled, inline

aero engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Aircraft using power components are referred to as powered flight. Most aircraft engines are either piston engines or gas turbin ...

made by

Zündapp Zündapp (a.k.a. Zuendapp) was a major German motorcycle manufacturer founded in 1917 in Nuremberg by Fritz Neumeyer, together with the Friedrich Krupp AG and the machine tool manufacturer Thiel under the name "Zünder- und Apparatebau G.m.b.H." ...

and used in light aircraft of the late-1930s.''Flight'' - 'The Belgrade Show' - 9 June 1938, p. 561.
Retrieved: 18 December 2012

Design and development

The engine was developed from the smaller Zündapp 9-090. This inverted engine featured dual gear-driven

camshaft A camshaft is a shaft that contains a row of pointed cams in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to operate the intake and exhaust valves), mechanically controlled ignition syst ...

s with the valve rocker cover acting as the oil tank. It featured a single Bosch

magneto ignition An ignition magneto (also called a high-tension magneto) is an older type of ignition system used in spark-ignition engines (such as petrol engines). It uses a magneto and a transformer to make pulses of high voltage for the spark plugs. The old ...

system. A total of approximately 200 engines were produced.

Applications

* Braunschweig LF-1 Zaunkönig * Bücker Bü 180 *

Fieseler Fi 253 The Fieseler Fi 253 Spatz, (English: ''Sparrow''), was a light civilian aircraft, manufactured by the German company Fieseler in Nazi Germany. Only six units were produced, however, due to the Second World War. Development In January 1937 Major W ...

Gotha Go 150 The Gotha Go 150 was a light aircraft designed at the German company Gothaer Waggonfabrik in the late 1930s. It was intended for civilian use, but ended up being used as a military trainer. Development In January 1937 Major Werner Junck, chief ...

Klemm Kl 105 __NOTOC__ The Klemm Kl 105 was a two-seat sport aircraft developed in Germany in 1938. It was a low-wing cantilever monoplane of conventional design with fixed, tailskid undercarriage, and side-by-side seating for two within an enclosed cockpit. ...

* Möller Stürmer *

Siebel Si 202 The Siebel Si 202 ''Hummel'' ("Bumble-bee") was a German light sportsplane of the late 1930s. It was an angular low-wing monoplane, which could be powered by a variety of small engines. Design and development In January 1937 Major Werner Junck, ...

Engines on display

*Preserved examples of the 9-092 engine are on public display at the

Deutsches Museum The Deutsches Museum (''German Museum'', officially (English: ''German Museum of Masterpieces of Science and Technology'')) in Munich, Germany, is the world's largest museum of science museum, science and technology museum, technology, with a ...

Munich Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...

and Technikmuseum Dessau.

Design and development

Applications

Engines on display

Specifications

See also

References

Further reading