It doesn't show up really well here but I had a real issue with an adhesive that I recently used to secure a weight in a tank car body.
I mentioned back at Milepost 976 that I was working on a two-dome tank car. The project was simple... I disassemble an old Three-domer then use a razor saw to cut out the middle dome. Next, I shorten the bottom half of the tank, resize the frame and I'm pretty much ready to glue everything back together again. So that's what I did... but there was only one problem... the car was too light.
Not to fear, a long time ago, I bought a ten-foot piece of 1/4" keystock and cut small lengths of it just to use as extra weight in lighter cars. So I grabbed a piece about four inches long and slapped some Goop on each end of it and placed it in the tank. I let it rest on the domes upside down so that it would cure and hold the weight in place.
Well, you can see from the picture the end result. The dome caved in and the banding on the car has also been distorted. I'm thinking now that I may have used too much Goop as I have some model railroad friends who use the stuff for everything from mounting motors to gluing DCC decoders. They haven't had any problems with their approach. One other possibility might have something to do with the age of the cars. These are very old ones and perhaps the styrene plastic is of a little different composition and it was more susceptible to the adhesive. Either way, lesson learned and I'll now need to try again.
In the future, if there is any doubt, I'll try some of the adhesive that I plan to use on an inconspicuous part of the model and see how it goes.