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Originally Posted by willimo
So recently I moved from a very humid climate to a rather dry one.
Now, my rubber tires are splitting on some of my models. The models affected are the ones wearing the Fujimi Pirelli P7s, which is a lot of my cars since they're the only 15" tires readily available and I use them on most of my Hondas.
Is there anything I can do to combat this? It looks terrible!
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It is probably not the change in climate that has affected your tires. Most residential and commercial air conditioning systems work to maintain a 50% relative humidity level irregardless of where you live, so if you keep your models indoors then they should be experiencing the same indoor conditions no matter where you live.
Relacement seems the best option. If you can't remove the rims from the model remove the old tires by carefully cutting them away with a brand new blade. Then take your new tires and heat them up well with a hair dryer or food dehydrator. A heated tire will expand making it easy to slip onto the rims. Once they cool they will be secure on the rim just as if they were press fit in the usual manner.
Making resin copies is another good idea, but you'll have to seal the original prototype tire to ensure the rtv rubber will cure properly. Vinyl and rubber will slow the curing process of rtv rubber touching them. Better yet, make a hard mold and cast rtv rubber tires!