by builderflyer » Mon Feb 19, 2018 10:42 am
Bryan,
I glued a strip of cloth chafe tape (similar to Aircraft Spruce pn 09-31800, mil-c-5649) to the firewall flange. It's now been there for 13 years of flying and is holding up well. I also applied it on top of the fuel filler box to seal that area to the cowling as well.
Happy building,
Art,,,,,,,,,,,,,,,,,,,,,,,,,,,Sonex taildragger #95,,,,,,,,,,,,,,,,,,,,,,,,Jab 3300 #261