01-29-2010, 11:19 PM
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Master Modeler
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Join Date: Jan 2009
Location: Fairbanks, Alaska
Posts: 6,507
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Quote:
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Originally Posted by scigs30
-SNIP- 2. I agree, they are softer than the brown, don't know why.
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The white tubes may be made of recycled kraft paper, whose shorter (chopped) fibers could account for the tubes' "softness." Tubes made of virgin kraft paper have longer fibers.
Quote:
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Originally Posted by scigs30
I think the last few kits I have bought from Estes the cord has been 1 to 1 1/2 the length. That is good enough for me.
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For "A" - "C" powered models (especially using 13 mm mini motors) that should be sufficient, although for a scratch-build I would feel more comfortable with using at least twice the rocket's length of a rubber shock cord. |