In Stock

FSa-72II Airplane Engine with F-5030 Silencer
Item No.
OS Engines -
OSMG0878
$637.99
In Stock

FSa-72II Airplane Engine with F-5030 Silencer
Item No.
OS Engines -
OSMG0878
$637.99
- Blow-by 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°
- Adjustable F-5030 muffler for quiet operation can be rotated 360° for tight fitting applications
FSa-72II Airplane Engine with F-5030 Silencer
Item No.
OS Engines -
OSMG0878
Product
$637.99
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Estimated Total:
$637.99
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Product Details
In The Box
- (1) FSA-72II Engine
- (1) F-5030 Silencer
- (1) Type F Glow Plug
- (1) Product manual
Needed to Complete
- Fuel: 10%-20% nitromethane with 18% lubricant. Synthetic, castor, or a synthetic/castor lubricant blend may be used.
- NOTE: Certain four-cycle fuels cannot be used due to low oil content However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15% may be used due to its 18% oil content.
- When choosing fuels for this engine, be sure to select a fuel with at least an 18% lubricant content.
- Propeller: Sport & Aerobatic 12x7-8, 13x6-8 Scale 14x6-7
Quick Links
Manuals & SupportThe Tradition Continues...
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.
- The adjustable F-5030 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 FL-70 and the FS-70 Ultimate for easy replacement.
- A reversible carb and narrower camshaft housing simplify installation.
- Tighter tolerances and updated engineering reduce maintenance and ease set-up.
- Delivers more performance power to sport pilots and more realistic flight to scale pilots.
Product Specifications
Product Height | 4.2 in (108 mm) bottom of crankcase to top of rocker cover |
Prop Range | 12x7-8 - 14 x 6-7 |
RPM Range | 2,400 - 12,000 rpm |
Cylinders | Single |
Product Width | 1.8" (45mm) at mounting tabs |
Total Weight | 1.2 lbs (530g) |
Displacement | 0.719 cu in (11.79cc) |
Product Length | 4.1" (103.6mm) from carb to drive hub |
Engine (Only) Weight | 16.79 oz (476 g) |
Muffler Type | 2-piece aluminum |
Crankshaft Threads | UNF1/4-28 |
Muffler Weight | 1.9 oz (54g) |
Bore | 1.063" (27mm) |
Crankshaft Type | Threaded |
Power Type | Glow |
Plug Type | O.S. type F |
Stroke | 0.811 in (20.6 mm) |