Heli and Plane Engines

Out-of-Stock
OS Max 25FX 2ST Glow Airplane Engine 21L E-892 Silencer
Out-of-Stock
The O.S. Engine 25FX II is a high performance side exhaust aero engine that is suitable for many styles of small R/C aircraft such as sport, scale, aerobatic and even .25 class pylon racers.
The 25FX II uses a direct needle 21L carburettor for excellent usability and a 892 silencer with adjustable exhaust direction.
Specification:Weight: 260gr.Capacity: 4.07ccBore: 18mmStroke: 16mmPower Output: 0.84 ps (0.83 hp)Practical RPM: 2,500 - 19,000
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Engine OS FS-56II Airplane 4T Glow 40NA and Silencer 4040
In Stock
Specifications:Carb Type: O.S. 40NA rotaryHP: 1.0PS, 0.99 HP @ 10,000 RPMMuffler Type: 2-piece aluminumMuffler Weight: 42 gProp Range: 12x6-8 - 13x6-7Stroke: 20.6mmCrankshaft Threads: UNF1/4-28Engine (Only) Weight: 394g w/o muffler 419gRecommended Fuel: 10%-20% four cycle blend nitromethane w/18% synthetic lubricantWidth: 44mm between mounting hole centersTotal Weight: 461 g
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Engine OS GT15 Airplane 2T Gasoline 61H and Silencer 4040
In Stock
Specifications:Bore: 27.7mmCarb Type: RotaryLength: 106.2mm from pump to front bearingTotal Weight: 904 gRecommended Fuel: 87 - 93 octane gasolineMuffler Type: 2-piece aluminumMuffler Weight: 178 gStarter Type: Hand Held StarterCylinder: SingleRPM Range: 2,000 - 15,000Height: 109mm from crankcase bottom to top of cylinder head
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