Frozen Setscrews

Often, after flying an airplane for a few seasons, the setscrew that holds the propeller hub to a large electric motor will be almost impossible to remove, especially if you were a bit heavy-handed with the thread-locking compound. A quick and easy way to break the setscrew loose is to use a fine-tip soldering iron to heat up the screw. After a few minutes, it will unscrew easily, and there won’t be any damage to...