OS Engines GF-40 2.4 ci Gas Single with Muffler
- Offers traditional 4-stroke benefits with the ease and economy of a gasoline engine.
- Quick, powerful response makes it an ideal choice for aerobatic as well as scale models.
- Perfect for scale aircraft, with a deeper exhaust note that mimics the sound of full-size aircraft.
- Features the GT33's mounting bolt pattern and mount-to-drive hub distance.
- Outstanding fuel economy runs on a mix of engine oil and standard gasoline.
- 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.
- Backplate features an integral choke rod guide.
- PCV (Positive Crankcase Ventilation) system recirculates blow-by gas and oil waste for a cleaner engine and environment.
The compact IG-04 ignition module provides fast, easy starts with most types of batteries, including LiPos and LiFes. The GF40 includes a F-6040 muffler. A repositionable exhaust lets you divert exhaust residue out and away from your plane's finish. The carburetor, developed jointly by O.S. and Walbro, is rear-mounted for easy installation and adjustment.
- Displacement: 2.438 cu in (39.96 cc)
- Bore: 1.574 in (40 mm)
- Stroke: 1.251 in (31.8 mm)
- 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
- Requires: 2-cycle oil, unleaded gasoline, ignition battery & standoffs
- Suggested Props: 18x8-12, 19x8-10 & 20x8-10
- Suggested Break-In Prop: 18x8
- Ignition Battery: 4-7 NiCd or NiMH; 2S LiPo or LiFe. Min. capacity: 1000mAh
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