Tuesday, May 24, 2011

New Ryobi 4 stroke glow conversion

Brand new Ryobi 26 cc 4-stroke, only three tanks of fuel through it for break in. Does is have enough power for r/c use? I tried a different carb as the stock one is non adjustable and horribly lean. After finding my 7mm Walbro a little less than optimum from a swelled diaphram, I discovered the stock carb can be made to work rather well! By opening the fixed main jet from .012 to .0145,the engine will hold wide open throttle 6100 rpms with a 18X8 wood prop. Transition from idle to open throttle seems smooth enough as long as the throttle isn't snapped open. These engines may have potential. I haven't carved this one up yet as I have another one I"m working on for r/c use. This engine sits on my bench swinging a 22X10 prop as an outdoor fan in the hot summers. Cheap to run and the prop is noisier than the exhaust!

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