Posted: 12/21/2010 15:10:19
I bought a used Continental IO-470-VO-9 engine to use on my pusher amphibian project. It is set up to use a constant speed prop, but due to simplicity and cost I would like to use a fixed pitch prop. Can anybody tell me what needs to be done to accomplish this?
Posted: 12/21/2010 17:03:15
I believe all you will need is a governor block-off plate and the plug to press into the end of the crankshaft. I have done this on a Cessna 175 with a GO-300-E engine. These aircraft were fitted with a constant speed McCauley threaded blade propeller which you can no longer get replacement blades for. So, I helped a customer fit his aircraft with a fixed pitch prop instead. I actually have some extra parts like the ones we used sitting here on my desk being used as a paperweight (believe it or not). Not sure how much interchangability there is on continental engines, but I'm almost positive the governor block-off plate will fit (because most governors have the same foot print). The crank plug may be different, but if there was ever an IO-470 with a fixed pitch prop on it, then you know they make the parts you need.
Check with an A & P who works on those engines and he'll probably know where to find part numbers. Let me know if you want some pics of what I've got.
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