Re: Tank Fitting Question
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I agree with Jay. I used phenolic for my 3/8” stainless fuel line connections in the header tank.
22 years, works fine.
Jim Patillo
N46JP - Q200
Almost 1900 hours on my Q.
From: main@Q-List.groups.io <main@Q-List.groups.io> on behalf of Jay Scheevel <jay@...>
Sent: Wednesday, September 14, 2022 7:45:14 AM To: main@Q-List.groups.io <main@Q-List.groups.io> Subject: Re: [Q-List] Tank Fitting Question Here is an example. It is not exactly the same function as you are after, but it is an example of use of phenolic. I have been using this for 4 years without a hint of a problem. See page 10 of the following document: http://n8wq.scheevel.com/documents/build_logs/09_N8WQ-log_Construction-FuelTanks.pdf
Cheers, Jay
From: main@Q-List.groups.io <main@Q-List.groups.io>
On Behalf Of Jay Scheevel
Robert,
With respect to bonding and durability, I would recommend that you use phenolic instead of aluminum. It bonds perfectly with the tank materials, and it also can be cut and threaded in the same way as aluminum (hole dimension should provide slightly more material than if you are threading aluminum. Sealing compound on the threads will work to perfectly seal the threads. It will not be subject to vibration failure of the bond as would the aluminum, and fittings will be plenty tough and will not leak. You would use the same fittings that you have shown.
Cheers,
From: main@Q-List.groups.io <main@Q-List.groups.io>
On Behalf Of Anthony P
That fitting will work. You need a 37/64" tap drill and I would recommend leaving material in the wall around the hole that is at least half of that diameter. Closer to a full diameter would be better.
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