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Franklin O-805

American air-cooled aircraft piston engine designed in the mid-1940s

American air-cooled aircraft piston engine designed in the mid-1940s

FieldValue
nameO-805/12AC
imageFile:Franklin 805.jpg
captionFranklin O-805 on display at the National Museum of the United States Air Force
engine_type12-cylinder horizontally opposed piston engine
manufacturerFranklin Engine Company
first_run

Wikipedia:WikiProject Aircraft/page content for recommended layout. --

The Franklin O-805 (company designation 12AC) was an American air-cooled aircraft piston engine, designed in the mid-1940s and was to be used in radio-controlled pilotless drones that were to be guided from an accompanying control plane. Due to project requirement changes and cancellations the engine was not produced.

A smaller displacement 12-cylinder Franklin engine of 1941 was known as the O-595 or 12AC-596.

Variants

O-805

;12AC-806:450 hp0 ;12ACG-806 (XO-805-1):456 hp at 3,200 rpm, geared to 0.632:1. ;12ACGSA-806 (XO-805-3 and O-805-5):500 hp at 3,200 rpm, supercharged and geared to 0.632:1 (XO-805-3), or to 0.587:1 (O-805-5).

O-595

;12AC-596:300 hp at 2,600 rpm

;12ACG-596:350 hp at 3,500 rpm

Applications (intended)

  • Interstate XBQ-5
  • Interstate XTD2R-1

Survivors

  • There is an O-805-2 on display at the New England Air Museum, Bradley International Airport, Windsor Locks, CT
  • One surfaced and was sold privately in August, 2016, on eBay for US$8500.

Specifications (12ACGSA-806/XO-805-3)

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References

;Notes

References

  1. NMUSAF. (June 8, 2015). "Franklin O-805-2". [[National Museum of the United States Air Force]].
  2. "New England Air Museum".
  3. (29 August 2016). "13 Liter WW2 Drone Engine: Super Rare Franklin 0-805".
Info: Wikipedia Source

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