RC Sport Flyer Thrust Test - O.S. GF40 Four-stroke Gasoline Engine
This video demonstrates a test run of the O.S. GF40 four-stroke gas engine, which will be featured in an upcoming issue of RC Sport Flyer Magazine. What a nice running, sweet sounding engine!
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OS 40 FP First Run
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O.S. GT33 Gasoline Engine -- PC Controlled Thrust Test
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Rare Old Engines Starting Up Sound That Will Blow Your Ears ▶18
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Setup and test run of vintage OS Engines 15 RC glow engine.
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0-1000 mph in 22 Seconds
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OS FT 160 Gemini twin glow engine Test run after setup
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