This manual introduces the safety operation, assembly, maintenance of O.S. horizontal opposed twin-cylinder engine
The document is an owner's instruction manual for the O.S. FT-160 (Gemini-160), a 26.5cc horizontally-opposed twin-cylinder overhead-valve four-stroke-cycle engine designed specifically for model aircraft. It emphasizes safety regarding propeller hazards, fuel toxicity, and carbon monoxide exhaust before operation.
| Displacement | 26.5cc (1.62cu.in) |
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An electric starter is recommended for this engine.
The carburetor should be installed below the crankcase so that the exhaust pipes point downwards.
Onlookers, especially small children, should be kept at least 20 feet or 6 meters away.