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O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines

O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines

From O.S. Engine:
Great news for pilots of 40-size or 60-size planes: O.S. has upgraded two popular power plants, making them even better than before! The FSa-56II and FSa-72II both feature O.S. 4-stroke technology that has revolutionized the model airplane engine industry. Among the advantages of these 4-strokes are more performance potential for sport flyers and more realistic flight for scale pilots. Their rich, deep sound is an added benefit. Visit osengines.com to find out more about these exceptional engines.

Features:

  • Blow-by oil exits through the breather nipple on the back plate, for more stable operation
  • Black rocker covers give these versions a more impressive appearance
  • Mufflers on either engine can be positioned to achieve the ideal fit
  • Both mount in the same space as the FS56-a or FS72-a, with no modifications

FS-56II Specifications:

Displacement: 0.569 cu in (9.32 cc)
Bore: 0.945 in (24 mm)
Stroke: 0.811 in (20.6 mm)
Practical rpm: 2,400-13,000
Output: 1.0 ps/0.99 hp @ 10,000 rpm
Weight w/muffler: 13.9 oz (394 g)
Includes: 40NA carburetor, F-4040 muffler, Type F glow plug

FS-72II Specifications:

Displacement: 0.72 cu in (11.79 cc)
Bore: 1.063 in (20.7 mm)
Stroke: 0.811 in (20.6 mm)
Practical rpm: 2,400-12,500
Output: 1.2 ps/1.18 hp @ 12,000 rpm
Weight w/muffler: 18.7 oz (530 g)
Includes: 61N carburetor, F-5030 muffler, Type F glow plug

#OSMG0957 – FSa-56II 4-Stroke Airplane Engine w/F-4040 Silencer – $399.99
#OSMG0878 – FSa-72II 4-Stroke Airplane Engine w/F-5030 Silencer – $479.99

Visit OSEngines.com
See more posts about O.S. Engine

O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines (1) O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines (2) O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines (3) O.S. FSa-56II & FSa-72II 4-Stroke Airplane Engines (4)

Updated: September 12, 2017 — 3:21 PM
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