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 . The power output was nominally .
Variants
;8ACG-538 (XO-540-1):Geared propeller drive at 0.632:1, at 3,200 rpm
;8ACSA-538 (XO-540-7):Supercharged,
;8ACGSA-538 (XO-540-3/O-540-5): Supercharged and geared, at 3,200 rpm
Applications
*
Northrop N-9M
The Northrop N-9M was an approximately one-third scale, span flying wing aircraft used for the development of the full size, wingspan Northrop YB-35, Northrop XB-35 and YB-35 flying wing long-range, heavy bomber. First flown in 1942, the N-9M ...
Specifications (8ACG-538/XO-540-1)
See also
References
;Notes
;Bibliography
* Gunston, Bill. (1986) ''World Encyclopedia of Aero Engines''. Patrick Stephens: Wellingborough. p. 57
{{US military piston aeroengines
Franklin aircraft engines
1940s aircraft piston engines
Boxer engines