A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
9-092 | |
---|---|
Rear view of the 9-092 engine on display at the Technikmuseum Dessau (note:displayed upside-down) | |
Type | Air-cooled inverted inline-four engine |
Manufacturer | Zündapp |
First run | 1938 |
Major applications | Gotha Go 150, Siebel Si 202B |
Number built | c.200 |
Developed from | Zündapp Z 9-090 |
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.[1]
Design and development
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.
Applications
- Braunschweig LF-1 Zaunkönig
- Bücker Bü 180
- Fieseler Fi 253
- Gotha Go 150
- Klemm Kl 105
- Möller Stürmer
- Siebel Si 202
Engines on display
- Preserved examples of the 9-092 engine are on public display at the Deutsches Museum, Munich and Technikmuseum Dessau.
Specifications
Data from Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944[2]
General characteristics
- 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 (122.05 cu in)
- Length: 800 mm (31.5 in)
- Width: 350 mm (13.8 in)
- Height: 560 mm (22.0 in)
- Dry weight: 60 kg (132 lb) dry, unequipped
- 65 kg (143 lb) wet, equipped
Components
- Valvetrain: 1 inlet and 1 exhaust under-head valve per cylinder driven by pushrods and rockers
- Fuel system: Downdraught carburettor
- Fuel type: 78 Octane gasoline
- Oil system: pressure feed at 0.2–0.35 atm (2.9–5.1 psi; 0.20–0.35 bar)
- Cooling system: Air-cooled
Performance
- Power output:
- 50 PS (49 hp; 37 kW) at 2,300 rpm (30 minutes) at sea level
- 45 PS (44 hp; 33 kW) at 2,225 rpm (max. continuous) at sea level
- 40 PS (39 hp; 29 kW) at 2,150 rpm (cruise) at sea level
- Specific power: 25 PS/L (0.40 hp/cu in; 18.39 kW/L)
- Compression ratio: 6.2:1
- Specific fuel consumption: 0.220 kg/PSh (0.492 lb/(hp⋅h); 0.299 kg/kWh) at max continuous
- Power-to-weight ratio: 0.833 PS/kg (0.373 hp/lb; 0.613 kW/kg)
- B.M.E.P.: 9.8 atm (9.9 bar; 144 psi)
See also
Comparable engines
Related lists
References
- ^ Flight - 'The Belgrade Show' - 9 June 1938, p. 561. Retrieved: 18 December 2012
- ^ Schneider, Helmut (Dipl.Ing.) (1944). Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944 (in German) (Facsimile reprint 1986 ed.). Leipzig: Herm. Beyer Verlag. p. 419. ISBN 381120484X.
Further reading
- Gersdorff, Kyrill von; Schubert, Helmut; Ebert, Stefan. Flugmotoren und Strahltriebwerke : Entwicklungsgeschichte der deutschen Luftfahrtantriebe von den Anfängen bis zu den internationalen Gemeinschaftsentwicklungen (in German) (4. erg. und erw. Aufl ed.). Bernard & Graefe. ISBN 978-3-7637-6128-9.
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