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MA 15x7 3 Blade Composite

MA 15x7 3 Blade Composite

18.50


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Kill Switch for Magneto type ignitions

Kill Switch for Magneto type ignitions

18.50

This device made for us by the team that make our on board glow systems, allows you to remotely kill your Zenoah or other magneto type ...
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Geared Starter Battery Carrier

Geared Starter Battery Carrier

8.50

Especially designed to fit the 4:1 and 6.5 : 1 geared starter. Laser cut from zinc plated steel the battery carrier bolts to the starter to carry most sizes of battery, ...
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OS GF40 Four Stroke Petrol Engine

Just Engines Online | Petrol Engines | OS Petrol Engines |  OS GF40 Four Stroke Petrol Engine

OS GF40 Four Stroke Petrol Engine.

OS GF40 Four Stroke Petrol Engine.

Price: 610.00 (Including VAT at 20%)

Quantity:




This the first four stroke Petrol from OS engines. It dose exactly as it says, you get the benefits of a petrol; economy, reliable tick over and cleanliness in a four stroke.




  • Quick, powerful response makes it an ideal choice for aerobatic as well as scale models.
  • Perfect for scale aircraft, with a deeper exhaust tone that mimics the sound of full-size aircraft.
  • Features the GT33s mounting bolt pattern and mount-to-drive hub distance.
  • Outstanding fuel economy - runs on a mix of engine oil and standard petrol.
  • Rear-mounted carb designed by O.S. & Walbro.
  • Lightweight ignition module accepts NiCd, NiMH, LiPo or LiFe battery power.
  • Muffler and integral backplate mount included.
  • PCV (Positive Crankcase Ventilation) system recirculates blow-by gas and oil waste for a cleaner engine and environment.


Displacement:2.438 cu in (39.96 cc)
Rpm Range: 1800-9000
Output: 3.75 hp @ 8600 rpm
Weight: Engine:41.3 oz (1170 g) / Muffler:4.0 oz (113 g) Ignition Module:3.4 oz (95 g)
Includes: F-6040 muffler assembly, ignition module & CM-6 spark plug
Recommended props: 13x8, 13x9, 13x10, 13x11, 14x8, 14x9, 14x10, 15x6, 15x7, 15x8

Parts and Sizes

Parts and Sizes

click image or here for parts explosion PDF

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