When it comes to gasoline aircraft engines, the GT33 is in a class of its own. It has the muscle to swing larger props, and it stands out for many other reasons, too. The GT33 runs more quietly than comparable engines while exceeding their output, and it starts easily with electronic ignition that accepts many battery types. Once again O.S. has produced a gasoline powerhouse for the serious pilot!
Features:
- Produces 10% more power than any other engine in its class!
- Electronic ignition system offers fast, easy starting — and accepts LiFe, LiPo, NiCd and NiMH power.
- Rear-mounted Walbro® carb and intake simplify mounting and installation.
- O.S. E-5030 muffler effectively controls exhaust noise without compromising performance.
- Includes Rcexl spark plug.
SPECIFICATIONS:
- HP: 3.9 PS, 3.85 HP @ 9,000RPM
- Ignition Weight: 3.70 oz (105 g)
- Muffler Type: Pitts (included)
- Muffler Weight: 5.65 oz (160.5 g)
- Oil Type & Content: 2-cycle oil at 30:1 - 50:1 mix ratio
- Plug Type: CM6
- Product Height: 6.1" (156.1mm) from bottom of mounting tab to muffler outlet
- Product Length: 6.1" (156.2mm) from carb to drive hub
- Product Width: 2.4" (70mm) center of mounting holes at mounting plate
- Prop Range: 18 x 10-12 - 20 x 8-10
- Recommended Fuel: 87 + octane
- RPM Range: 2,000 - 15,000
- Starter Type: Hand Held Starter
- Stroke: 1.276 (32.4mm)
- Displacement: 2.013 cu in (32.98 cc)
- Weight Engine: 980g
- Weight Muffler: 160.5g
- Weight Ignition Module: 105g
- Power Type: Gas
- Crankshaft Threads: UNF-2A 5/16-24
- Crankshaft Type: Threaded
- Cylinders: Single
- Benchmark Prop: 18 x 8 for break-in
- Bore: 1.417" (36mm)
- Carb Type: Reed valve
