Exhaust cracks can be insidious, although sometimes they leave a gray-looking residue. Use a bright flashlight and inspect them every time the cowling is off.
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector.jpg?w=218&h=150&crop=1 "Fuel Follies")
In Case You Missed It
Around the Patch
The FAAs John Hickey and Frank Paskiewicz got an earful at the AirVenture forum assembled to illuminate proposed changes to the 51% rule. Although some of the comments ran far afield, many more homebuilders posed thoughtful and challenging questions in an effort to help them understand where they stand with regard to the new regulations; by Marc Cook.
Dating Your Docs & Paint Touch-Up
I’ve been reading recently through a collection of builder log segments with various descriptions...
Tools for Homebuilders, Part 2
Terry Edwards continues his discussion of some of the less-often covered aspects of airplane building, this month looking at how to manage your project and stay motivated.