![]() "A good industrial 4-stroke might remain in service for several thousand hours before needing major engine work. ![]() Other than minding oil level and oil change intervals, the engine needs nothing, and I think it's possible that the AXtriple belt could last for years without needing to be replaced, or even tightened." The CheapTrike's redrive, belt and engine are designed to mirror industrial standards (btw, properly designed industrial belt drives are designed for 10,000 hrs use between maintenance cycles). "In spite of having to deal with the extra weight of the 4-stroke and heavier structure, I have become spoiled by the fly-it-and-forget-it engine and redrive. So far with the 4-stroke Briggs, I have done zero engine/redrive maintenance other than 1 oil & filter change extremely low maintenance is the 4-stroke theme I like to push." "In PPG we have become accustomed to think in terms of a couple hundred hours between major engine maintenance problems. The CheapTrike uses a GSC 64" propeller, longer than any PPG prop in use! This allows the motor to run at reduced RPM's while cruising and greatly reduces the noise during flight. Also long drive belts tend to last longer, run cooler, and reduce engine-pulse vibrations. ![]() Terry also found that paraflyer trikes are most stable if the weight of the engine is installed lower in the airframe this low mount engine feature is unique to the CheapTrike.
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