Four easy steps to increase performance and reduce vibration

After you build a sport plane, there are a couple things you need to do before you head off to the flying field. For your engine to operate properly, you first have the break it in, and before doing that, it’s important to balance your propeller. Why? Most, if not all, propellers will be out of balance when you buy them. Some will be close to being balanced, others not so much. The advantage of...