Agusta GA.70
| GA.70 | |
|---|---|
| |
| GA.70 on display at the Hubschraubermuseum Bückeburg | |
| Type | 4-cylinder, air-cooled, horizontally opposed engine |
| National origin | Italy |
| Manufacturer | Agusta |
| First run | 1955 |
The Agusta GA.70 was a four-cylinder, air-cooled, horizontally opposed engine developed in Italy for light aircraft and helicopter use. The GA.70/V featured a bottom sump for vertical applications and was rated at 158 hp. It was produced in the 1950s and 1960s.[1]
Variants
- GA.70/0
- Horizontal mounting for light aircraft.
- GA.70/V
- Vertical mounting for helicopters.
Applications
Specifications (GA.70)
Data from Jane's All the World's Aircraft 1962-63.[2]
General characteristics
- Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine, (G.A.70/V - vertically mounted helicopter engine)
- Bore: 92 mm (3.62 in)
- Stroke: 86.5 mm (3.41 in)
- Displacement: 2.300 L (140.35 cu in)
- Length: 760 mm (29.92 in), (G.A.70/V - 470 mm (18.50 in))
- Width: 750 mm (29.53 in), (G.A.70/V - 540 mm (21.26 in))
- Height: 450 mm (17.72 in), (G.A.70/V - 470 mm (18.50 in))
- Dry weight: 80 kg (176 lb) dry
- Designer: M. Ginnini
Components
- Valvetrain: pushrod operated overhead valve, 2x inlet + 2x exhaust per cylinder
- Fuel system: Stromberg NAS 3 carburettor
- Fuel type: 80/87 octane
- Oil system: Pressure lubrication with a gear driven pump
- Cooling system: Air-cooled
Performance
- Power output: 53.69 kW (72 hp) at 3,100rpm, (G.A.70/V - 61.15 kW (82 hp) at 3,300rpm)
- Specific power: 23.352 kW/l (0.513 hp/cuin), (G.A.70/V - 26.6 kW/l (0.584 hp/cuin))
- Power-to-weight ratio: 0.671 kW/kg (0.408 hp/lb), (G.A.70/V - 0.765 kW/kg (0.465 hp/lb))
Notes
References
Wikimedia Commons has media related to Agusta GA.70.
- Taylor, John W.R. FRHistS. ARAeS (1962). Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.
- Erickson, Jack. Horizontally-Opposed Piston Aero Engines