I have had good luck with the KBS product on metal and fiberglass fuel tanks on ground vehicles.
I am SUPER nervous of doing any of them on untested surfaces! If the tank is used and not factory fresh - there is no telling what kind of contaminate and surface conditions you might be trying to adhere to! I HIGHLY recommend a screen over EVERY pickup tube that would allow the prevention of blockage caused by debris! I watched a friend almost die test flying a new (to him) gyrocopter. He went thru it end to end - did almost an hour of ground running and taxi. When he climbed out - the engine died when he was at 100ft. Turned out someone previously replaced the fuel sending unit and used RTV!!!! fuel melted a bead of it - it got sucked into the tube and clogged it just before the fuel filter! (aircraft had no gascolator either - which was odd - but did have a low spot fuel testing area...) Own your decisions. M. ________________________________ From: KRnet <krnet-boun...@list.krnet.org> on behalf of tommy via KRnet <krnet@list.krnet.org> Sent: Friday, August 12, 2022 8:21 PM To: Flesner via KRnet <krnet@list.krnet.org> Cc: tommy <tommylaud...@hotmail.com> Subject: Re: KRnet> Wing tank fittings HI does anyone have experience with the liquid coating that allows use of any fuel you pour it in and slosh it around to coat the inside of a tank even if it is aluminum....tom On 8/12/2022 5:09 PM, Flesner via KRnet wrote: > On 8/12/2022 6:45 PM, Jeff Scott via KRnet wrote: >> I use welding flanges sold by Aircraft Spruce. AN867-1 for 1/8" NPT >> fittings, AN867-2 for 1/4" NPT fittings, and AN867-3 for 3/8" NPT >> fittings. I drill numerous holes in the flanges to give the glass >> some "bite", then bed them in flox when installing. > > Jeff Scott > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > That looks like what I used also using the same process and it worked > just fine. The problem I posted earlier was with the 1/8" thick > aluminum plates that came with the capacitive fuel senders to mount them > to the tank and the threads failing. > > David posted: > > " I put in 100LL with alcohol. > > My suggestion is that there are gas stations that 100LL does not have > alcohol. In NY it is common. In Massachusetts I have not found any.." > > To my knowledge 100LL has never been sold at a "gas station", only at > airports and has never contained alcohol. If you're talking "premium > fuel" at a gas station, that's not 100LL. Please clarify.......... > > Larry Flesner -- KRnet mailing list KRnet@list.krnet.org https://list.krnet.org/mailman/listinfo/krnet
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