Primer lines need to be silver soldered into their fittings. Using RTV to fix a leak is not acceptable and poses a serious fire hazard.
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector-218x150.jpg "Fuel Follies")
In Case You Missed It
2013 Rotorcraft Buyer’s Guide
If flying a rotorcraft is your goal, this is a great time to start exploring your options—there’s been growth in this segment, and even more expansion is on the horizon. By Roy Beisswenger.
Around the Patch
Editor-in-Chief Marc Cook discusses his recent visit to a Zenith Aircraft factory workshop where he had the pleasure of flying some airplanes and pulling some rivets.
