ENMASA Beta
The ENMASA Beta was a Spanish air-cooled radial engine of the 1950s. A copy of the American Wright R-1820 Cyclone, the Beta was the powerplant of a number of post Spanish Civil War aircraft, including the Spanish version of the Junkers Ju 52 transport, the CASA C-202 Halcón and the Hispano HA-100 trainer.
| ENMASA Beta | |
|---|---|
 | |
| Type | Air-cooled radial |
| National origin | Spain |
| Manufacturer | Empresa Nacional de Motores de Aviación S.A. |
Specifications (Beta B-4)
Data from Bridgman, 1953[1]
General characteristics
- Type: Nine-cylinder single-row air-cooled radial engine
- Bore: 155.5 mm (6.1 in)
- Stroke: 174.6 mm (6.8 in)
- Displacement: 29.85 L (1,820 in³)
- Length: 1,170 mm (46 in)
- Diameter: 1,365 mm (53.7 in)
- Dry weight: 468 kg (1,030 lb)
Components
- Valvetrain: One inlet valve and one sodium cooled exhaust valve per cylinder
- Supercharger: Centrifugal type
- Fuel system: One 4-barrel down-draught carburettor
- Fuel type: 87 octane minimum
- Cooling system: Air-cooled
Performance
- Power output: 578 kW (775 hp) at 2,200 rpm (take-off power)
References
- Bridgman 1953, p.335.
- Bridgman, Leonard. Jane's All The World's Aircraft 1953-54. London:Jane's, 1953.
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