Recommended overhauls on constant-speed propellers are important. Here is a blade root that would not pass inspection due to scraping—most likely caused by improper lubrication or periods of inactivity.
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Champions
Dan Horton - 0
We talk with Grand Champion builders about their experiences building some of the finest airplanes in the world.
![Fuel Follies [Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector.jpg?w=218&h=150&crop=1)












If it’s on an amateur-built experimental (this is still Kitplanes, right?), by the FAA’s definition it’s not airworthy from the get-go.
Whether it’s in a condition for safe operation is a different matter altogether,
Ironically, we do give them an airworthiness certificate.
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