This is a very critical bolt that attaches the horizontal stabilizer to the fuselage in an aerobatic airplane. The bolt is not tight, and the hole is out of round!
![[Credit: Wikimedia Commons]](https://www.kitplanes.com/wp-content/uploads/2026/07/4_rutan_a_longez.jpg_preview.jpg?w=218&h=150&crop=1 "Rutan Symposium Turns to the Coming Canard Maintenance Crisis")
![[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
Firewall Forward: Oil Coolers and Oil Lines
The right oil cooler, installed correctly, can maximize your engine’s life. Of course, you’ll also need to consider crankcase breathers, oil separators, oil filters, oil lines and connections.
![[Credit: Adobe Stock]](https://www.kitplanes.com/wp-content/uploads/2026/03/AdobeStock_500023606_Editorial_Use_Only.jpg?w=324&h=160&crop=1 "Homebuilder’s Insurance")