In Stock

FSa-72II Airplane Engine with F-5030 Silencer

Item No.
OS Engines - OSMG0878
$637.99
RC Club points earned on this item shown at checkout.
Product $637.99
Add Ons
Estimated Total: $637.99
Estimated Total: $637.99
Selected Store

The 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.
  • 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

Product Specs

Bore
1.063" (27mm)
Crankshaft Threads
UNF1/4-28
Crankshaft Type
Threaded
Cylinders
Single
Displacement
0.719 cu in (11.79cc)
Engine (Only) Weight
16.79 oz (476 g)
Muffler Type
2-piece aluminum
Muffler Weight
1.9 oz (54g)
Plug Type
O.S. type F
Power Type
Glow
Product Height
4.2 in (108 mm) bottom of crankcase to top of rocker cover
Product Length
4.1" (103.6mm) from carb to drive hub
Product Width
1.8" (45mm) at mounting tabs
Prop Range
12x7-8 - 14 x 6-7
RPM Range
2,400 - 12,000 rpm
Stroke
0.811 in (20.6 mm)
Total Weight
1.2 lbs (530g)

Product Details

icon-box
In The Box
  • (1) FSA-72II Engine
  • (1) F-5030 Silencer
  • (1) Type F Glow Plug
  • (1) Product manual
icon-how-to
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