OSM34721
OS Engines FSA72 II .72 Four Stroke Aircraft Engine with F5030 Silencer
$649.99
Out of stock
O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II’s deep, rich sound.
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Features
- The adjustable F5030 muffler can be rotated 360° and moved in or out for a perfect fit. Rich, deep sound is an added benefit.
- Features the same mounting bolt pattern as the FL70 and the FS70 Ultimate for easy replacement.
- A reversible carb and narrower camshaft housing simplify installation.
- Tighter tolerances and updated engineering reduce maintenance and ease setup.
- Delivers more performance power to sport pilots and more realistic flight to scale pilots.
- Blowby oil exits through the breather nipple on back plate for more stable operation
- Black rocker covers
- 61N aluminum body carburetor with rotary throttle lever, high speed needle valve, and low speed mixture control, extended intake tube eliminates reverse flow tendency of air/fuel mixture, carb is reversible 180°
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Product Information
O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II’s deep, rich sound.
Specs
- Displacement
- 0.719 cu in (11.79cc)
- Bore
- 1.063" (20.7mm)
- Stroke
- 0.811" (20.6mm)
- Max Power
- 1.2PS/12,000 RPM, 1.18HP/12,000 RPM
- Engine Weight
- 16.79oz (476g)
- Silencer Weight
- 1.9oz (54g)
- Practical RPM
- 2,400 - 12,500
- Crankshaft Thread Size
- 1/4 x 28
- Height from Bottom of Mounting Tab/Top of Rocker Cover
- 3.5" (90mm)
- Height bottom of Crankcase/top of Rocker Cover
- 4.2" (108mm)
- Width of Crankcase below Mounting Tabs
- 1.4" (36mm)
- Distance from Drive Washer to Rear of Carburetor
- 4.1" (103.6mm)
- Centre of Mounting Holes Same Side
- 0.79" (20mm)
- Centre of Mounting Holes Opposite Side
- 1.8" (45mm)
- Centre of Front Mounting Hole to Drive Washer
- 1.9" (49.5mm)
- Centre of Rear Mounting Hole to Drive Washer
- 2.7" (69.5mm)
- Centre of Crankcase to Center of Needle Assembly
- 1.3" (33.7mm)
- Muffler Angle in Relation to Engine
- 11°
- Needle Settings
- High Speed2.5 - 3 turns out from fully closed
- Mixture Control (low speed)
- 2 turns out from fully closed