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You can strech a shell but can you shrik a shell?

post #1 of 7
Thread Starter 

Where I live the boot fitters are specialized in streching shells. Blowing out pressure points through heating the shell with a heat gun and using a hydraulic pressure tool for streching inside the boot and cooling it with water. I have a pair of old Nordica the Beast boots and they were streched way too big back in time. Now I want to make them smaller again. Can I heat up the boot and apply some sort of pressure from the outside to make them more narrow?

post #2 of 7
No.

SJ
post #3 of 7
not really.

if works a bit, but it will not "spring" back to its first shape, and not go back evenly with force.
post #4 of 7
Thread Starter 
Thanks for your input. The only option I have is to stuff the boot with more padding like rubber in places where too big on the inside between the linear and the shell, right? I dont like this because the wide boot boots out and its not as reactive. The boot itself is IMHO better than the Dobie 130 Pro. It was the first "the beast" boot and the exact same last as the Dobie except in different plastic and with more gimmics. Thicker linear. More stiff also due to the extra black platic that could be screwed in place in front.
post #5 of 7
Your post says:

"I have a pair of old Nordica the Beast boots and they were stretched way too big back in time".

Do you want them narrower than their original shape or closer to the original shape before they were stretched? 

You might be able bring back some of the original shape by heating the boots.  Like the other guys said, making them narrower probably is not a good idea.

I would re-heat them in 200 degree water for about 2-3 minutes, some of the original shape should come back.  How much, hard to say?  Measure the width before you heat them, then measure them after and see what you get.  It's worth a try.

Other than that if you want to keep the boots versus purchasing a new boots, conventional boot fitting techniques will help snug them up.

Don
post #6 of 7
Thread Starter 
Strolz, thanks for the advice. I would like to make them a bit more narrow than they are now but not as narrow as they were back when they were new. How do I heat water to 200degC? Do I need an autoclave or something? Just boiling water will only get me to 100degC. Our owen will take me to 200deg but is that safe?

Tom
post #7 of 7

I just noticed you are in Finland, I am in the USA so we use Fahrenheit.  You can boil water, pour it into a large container and place the shells in the hot water for 2-3 minutes.  That being said, this is not an exact science and the shell may go back to the original shape - or not - which may or may not give you the results you are looking for.

I am not necessarily advising you to do this yourself, you still may need the expertise of a qualified bootfitter and other bootfitting techniques to get the fit you want.

Good luck but be careful what you are doing at home if you choose to do this yourself.

Don

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