Many thanks to everyone for their support and empathy of my nasty little
situation. But life will continue, even though I might have to commit
suicide to get better.

After further inspection, I see some blistering in several areas on top of
the wing. That means the alcohol has penetrated the wing skins to the upper
fiberglass covering. That does it for those wings.

A fellow Glass Gooser has offered me his wings, so I'm going to "rewing" my
airplane.

I used AdTech CER 112-2 epoxy and hardener that is supplied with the Glass
Goose. I talked to the techs at AdTech and they confirmed that ethanol is
very destructive to their epoxy. However, he said there are other epoxies
that are very durable with ethanol. I'll certainly look into those.

Sandy McNabb

Good news for me Sandy. Makes me happy. I don't like to see that much effort and good workmanship thrown away. I would not give up on the bladder idea just yet.
I should know in a week or two how difficult it is to bond neoprene.

I had trouble finding the neoprene fabric  again on the McMaster web site.
It is listed under Polyester, Polypropylene & Nylon Fabrics. Page 3201
of the printed 108 catalog. McMaster has so much stuff things are
sometimes hard to find. I ordered a 5 by 5 foot sheet for testing.

Also use a small box wrench to tap on the skin and listen for a change in sound. Believe it or not this is a technique they teach to certified aircraft mechanics working on composite parts for airliners.

If you have a sample of the foam you used in the old wings please soak
it in auto fuel for a few weeks.

Since you have new wings please cut apart the old wings and take pictures of the inside damage before throwing them away.

BTW what is the rib spacing in the fuel tank area?
I assume the top and bottom skin is double wall.

Is there an illustration in the plans showing the basic
construction? I would like to calculate what would happen
deflection and strength wise if the sandwich skin was thicker to do away
with the ribs. Perhaps a layer of carbon top and bottom on
the skin will do the job. The C82 has no ribs in the 45 gallon fuel tank
area.

This whole issue is key to the acceptance of the
rotary because one of its main advantages is the ability to burn
low cost auto fuel.

I'll pay to have a large chunk of those old wings shipped to me
for R&D.

Paul Lamar