05-24-2019, 09:31 PM
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Craftsman
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Join Date: Aug 2007
Location: Whitehouse, Ohio
Posts: 264
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I know from experience with other 3D printed fin-cans that 1/16" thick PLA fins won't hold up very well for flights or landings or even sitting in a hot car. I might try using PETG or a similar polymer as mentioned in https://forums.rocketshoppe.com/sho...416&postcount=6 . I am currently working on building an enclosure for my printers to get better ABS prints that don't split or warp. The 1/16" thick 3D prints of fins I made from ABS are much stronger than the same part made from PLA.
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Bruce S. Levison, NAR #69055
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