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Franklin O-540 
Summary
The Franklin O-540 (company designation 8AC) was an American air-cooled aircraft engine that first ran in the early-1940s. The engine was of eight-cylinder, horizontally-opposed layout and displaced 540 cu in (9 L). The power output was nominally 300 hp (224 kW).
| O-540/8AC | |
|---|---|
| Type | Piston aircraft engine |
| National origin | United States |
| Manufacturer | Franklin Engine Company |
| First run | 1942 |
Variants edit
- 8ACG-538 (XO-540-1)
- Geared propeller drive at 0.632:1, 300 hp (224 kW) at 3,200 rpm
- 8ACSA-538 (XO-540-7)
- Supercharged, 300 hp (224 kW)
- 8ACGSA-538 (XO-540-3/O-540-5)
- Supercharged and geared,330 hp (246 kW) at 3,200 rpm
Applications edit
Specifications (8ACG-538/XO-540-1) edit
Data from [citation needed]
General characteristics
- Type: 8-cylinder air-cooled horizontally opposed aircraft piston engine
- Bore: 4.625 in (117.5 mm)
- Stroke: 4.0 in (101.6 mm)
- Displacement: 537.6 in³ (8.8 L)
- Dry weight: 438 lb (199 kg)
Components
- Cooling system: Air-cooled
Performance
- Power output: 300 hp (224 kW) at 3,200 rpm
See also edit
Comparable engines
Related lists
References edit
- Notes
- Bibliography
- Gunston, Bill. (1986) World Encyclopedia of Aero Engines. Patrick Stephens: Wellingborough. p. 57