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David Olsen replied to the topic DIY Donut in the forum DIY Packrafts 5 years, 3 months ago
I’m still working on my first project, so don’t take this as advice, just ideas. The simplest thing to do would be to have the TPU side inside and just seal the top and bottom together around the inner and outer of the donut – but that would give you an obvious seam sticking out when inflated, and the pressure would be trying to pull the seams…[Read more]
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David Olsen replied to the topic Heat-sealing tools in the forum DIY Packrafts 5 years, 5 months ago
I’m a beginner (just practicing welds at this point) so take this all for what it’s worth (nothing) but I picked up the Aviation Art sealing iron from Stewart Systems. Looks like they are selling it for use on full size aircraft, so a bit more money than a model aircraft iron, but still pretty reasonable to me. I think it’s basically a U.S.…[Read more]