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Old 10-09-2015, 05:39 PM   #21
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Re: New use for shrink tube.

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Always another way to solve a problem.

I searched for quite a while at different craft shops, (Michaels, paint supply houses, etc.) and could never locate the cardboard tubes I had seen used for this app. Ended up fabbing my own by spiral wrapping paper wet with good carpenters glue over a steel tube the correct diameter until dry. Had taped plastic wrap over the tube first to allow for separation once cured. The same setup could be created using epoxy if careful to get rid of excess.

Wouldn't you know it, the next visit to the Toledo Show found a source and grabbed a few.
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Old 10-15-2015, 12:42 PM   #22
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Re: New use for shrink tube.

I have used a plastic tube that has a slit cut in it lengthwise It is used in marine applications for boat wiring harnesses, comes in different sizes and is not that expensive
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Old 12-14-2015, 09:35 PM   #23
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Re: New use for shrink tube.

Hi Tommy,
I would not suggest using shrink tubing for your control rod guides inside of your covered wing.
It will almost certainly shrink and bind your rods, especially on days where the temperatures go above 75 deg. (inside a covered wing is a confined space with no air movement, so temperatures inside of the wing will be a lot hotter than the 75 deg outside).

My suggestions would be:
= hollow tube carbon fiber (available from hobby or craft stores) or
= possibly 1/8" ID copper tubing (available at Air Conditioning stores or through plumbing wholesalers) or
= possibly small Tygon type tubing (same suppliers as for copper tubing or
= possibly small ID brass tubing (available from hobby or craft stores).
There are likely many other good light weight options still to be offered, maybe small ID plastic drinking straws taped together??

Hope these suggestions help.

Mike Fry
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Old 12-14-2015, 10:04 PM   #24
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Re: New use for shrink tube.

If you go back and read previous posts it has been determined that heat shrink tubing shrinking requires temperatures far above and beyond anything that will be encountered in normal use.
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Old 12-15-2015, 07:22 AM   #25
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Re: New use for shrink tube.

It depends on the type of material used, but generally you need a temperature of over 100C to shrink.
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Old 02-17-2016, 10:56 AM   #26
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Re: New use for shrink tube.

I don't think the Suns radiant energy would be enough to shrink it... As already mentioned I need to use a smal butane torch to shrink shrink tubing. Geez, almost a tongue twister. Lol great idea though!!
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