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.
In Case You Missed it
Flight Review: Mustang II
When Don Caskey recognized that a passel of his neighbors had built and were flying Mustang IIs, he got the bug and constructed a custom-made version of his own.
Ask the DAR
What's the difference between the FAAs SLSA (Special Light Sport Aircraft) and ELSA (Experimental Light Sport Aircraft) designation? DAR Mel Asberry clears it up.