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  #21  
Old 11-30-2021, 07:13 PM
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seedlings seedlings is offline
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Right. What I had meant was that the shrinkage of the plastic has to be taken into account to make a mold correctly. With running multiple plastic types in one mold, they use some kind of average or set it for one type and deal with the rest. The shrink factors are also probably not *that* much different for most blends for it to matter immensely. Especially since, as someone pointed out, these are frisbees, not medical devices or rocket ship parts.
Exactly. My question is, ‘for which plastic is “correctly”?’
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Old 11-30-2021, 07:15 PM
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There is a mold with a particular volume.
They cram the proper density plastic in the mold.
Some blends fly well, some don't.
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  #23  
Old 11-30-2021, 07:27 PM
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Exactly. My question is, ‘for which plastic is “correctly”?’
I follow ya now haha.

I'd guess the answer might be none of the above?
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  #24  
Old 11-30-2021, 07:36 PM
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GripEnemy GripEnemy is offline
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  #25  
Old 11-30-2021, 09:47 PM
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seedlings seedlings is offline
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Lol, shrinkage. Deal with it.
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  #26  
Old 12-01-2021, 02:07 PM
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Originally Posted by seedlings View Post
Exactly. My question is, ‘for which plastic is “correctly”?’
Quote:
Originally Posted by thechamp View Post
There is a mold with a particular volume.
They cram the proper density plastic in the mold.
Some blends fly well, some don't.
Quote:
Originally Posted by jakebake91 View Post
I follow ya now haha.

I'd guess the answer might be none of the above?
Yep, there is no correct answer. The manufacturers know the plastics so about all they need to worry about is having a diameter large enough that when the base plastic shrinks it's still a 21cm diameter disc. Otherwise I doubt the different plastics come into play much when they develop a mold piece.
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