CNA C-7
The CNA C-7 was a small nine-cylinder supercharged, geared, single row radial engine designed in Italy in the early 1930s.[1] Three light aircraft class world altitude records were set by the CNA C-7 powered Fiat AS.1 and CNA Eta.[2]
| C-7 | |
|---|---|
| Type | Nine-cylinder radial engine |
| National origin | Italy |
| Manufacturer | Compagnia Nazionale Aeronautica (CNA) |
Specifications
Data from Jane's All the World's Aircraft 1938[1]
General characteristics
- Bore: 80 mm (3.15 in)
- Stroke: 85 mm (3.35 in)
- Displacement: 3.85 L (235 cu in)
- Dry weight: dry 125 kg (276 lb)
- Construction: Aluminium cylinder heads and steel barrels. Cast "Elektron" metal crankcase.
Components
- Valvetrain: Two valves per cylinder. An overhead camshaft, driven by a bevel shaft running between each pair of cylinders operated the exhaust valve of one and the inlet valve of the next.
- Supercharger: Centrifugal blower running at crankshaft speed.
- Fuel system: 1× Memini carburetter
- Cooling system: Air
- Reduction gear: 3:1
- Ignition: Dual ignition: 2× Marelli plugs per cylinder, driven by a different Marelli magneto
Performance
- Power output: Normal 134 kW (180 hp) at 4,800 rpm
- Compression ratio: 7:1
References
- Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. p. 68d. ISBN 0715 35734 4.
- "FAI records: Niclot - 1932". Archived from the original on 11 June 2007. Retrieved 20 March 2012.
- Thompson, Jonathan (1963). Italian Civil and Military Aircraft 1930-1945. Fallbrook, California: Aero Publishers, Inc. pp. 131–2.
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