11-30-2020, 11:13 AM
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Ciderwright
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Join Date: Apr 2013
Location: Burlington, WI
Posts: 633
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In my case, I 3D printed a 'sleeve' to go over the cardboard to expand the diameter to scale. I'm not worried about the strength.
I -should- have peeled the inside diameter. And would, If I did it again. I think I've epoxied the centering rings in place. If I haven't, then maybe I'll do the peel job. Otherwise I'll resign myself to 6 grain 38mm motors and a pound of nose weight.
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