![]() ![]() We’re in a motorhome, a SMALL motorhome, so our options are limited.Belt sanders rock but be wery, wery careful, they take off a lot of material quickly, especially with the 80 grit sandpaper I use for shaping. This is the only book on the market explaining propeller theory in non-mathematical terms. Here are the tools, although a jigsaw is nice, too, if you’re using soft wood (like poplar) and have a way to clamp or brace the wood. Essential reading for model aircraft contest fliers. Unless you’re over really bad terrain or large monsters are chomping at your feet, shut the motor off right away and land. If a prop repair lets go in flight, it will be vibrating severely and may result in engine separation.Unfortunately, repairs are still more likely to fail without warning. After each flight look for signs of stress cracks on your repair along with a normal prop inspection.Ensure there’s nothing anywhere near the prop’s plane that you want to keep intact, especially soft, fleshy things. Departing pieces will go outward initially but may also go forward or backward once they leave home. ![]() Carbon fiber props may very well have crushed parts of the interior honeycomb structure.
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