Originally Posted by
oneclick
I used 6 mil polythene sheet, it was good enough to last through quite a few frames. You have to be a bit careful not to poke a hole in it with a pointy bike bit. And out-of-doors is probably a good idea in any case.
It has been too cold for working outdoors in any case. Meanwhile, I sprayed all three cans of undercoating on the box -- no, IN the box. Then, working on something non-bike, I bought a quart of clear Flex Seal and only needed a little, so I am going to put a coat of that in the box too. Hoping to try it out in a few days.
Originally Posted by
obrentharris
A word of caution. Don't dump the neutralizing baking soda into the acid bath while the frame is in the bath. The reaction that takes place may discolor paint and damage fragile decals. Better to remove frame from bath, dump in baking soda, wait for reaction to subside, then return frame to bath to neutralizer the acid still remaining in frame tubes. Yes, I learned this lesson the hard way. Brent
Educate me on that? You put baking soda (how much per gallon?) in the water that already has the acid? Hmmm, I have a special challenge -- I am doing three frames, my plan was to dunk each one in succession in the same bath, I presume up to 24 hours (?); this would mean each bike would be out of the oxalic bath for up to 48 hours before I could re-immerse in a neutralizing bath. Bad idea? Alternatively, I re-mix the acid each time; I guess that means I'll be going through a lot more oxalic acid -- sure would not mind avoiding that.
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Larry:1958 Drysdale, 1961 Gitane Gran Sport, 1974 Zeus track, 1988 Masi Gran Corsa, 1974 Falcon, 1980 Palo Alto, 198? Vitus 979. Susan: 1976 Windsor Profesional.