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Air Duct Hose
Topic Started: Mar 23 2016, 02:12 PM (823 Views)
Lefturns75
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While working on my 2016 SNRA entry, I had to fabricate some Air Duct Hose and thought I would pass along the method. This is not my idea and I do not remember where I found this tip but I do thank the guy that came up with it and I am sure you will too. I have not seen this tip here. You will need a piece of sprue, brass rod or aluminum tubing the size you wish your hose to be. I used sprue as I had plenty. I sanded it smooth and round and rounded one end. You will also need a strand of copper wire like you find in automotive wire and some Teflon thread seal tape.
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Coil your wire around the sprue or your choice of objects and then follow that with the teflon tape.
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Carefully work it off the sprue and give it a shot of the color of your choice. I used semi gloss black. You then can bend and form the hose to your needs. I bent this one 90 degrees to give you an idea.
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Hope this helps out in some of your projects and to the guy that came up with this, Thanks!!! Happy building guys!
Ordinarily I am insane, but I do have lucid moments where I am merely stupid.
I never TRY to hit another car. But when I do I make sure its a Prius.


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Throback
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Frank the CRANK
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Nice Tip! .z.
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carl
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:))) .z.
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Another Rick
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I did basically the same thing, except I used shrink sleeve. This idea appears to be much more flexible than the shrink sleeve and it doesn't seem to kink in the bends either. Great tip! :)))
I build models because GOD allows me to and because I can't afford the real thing!!
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Lefturns75
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Rick, I kinda like your idea. The one I show works ok but you need a "light touch" to work with it. I destroyed a few I made by being a little heavy handed while working with it. Your idea may work best if we can figure out something to stuff inside to help hold the shape and solve the kink problem. Depending on the size, pipe cleaner might work??? There is always a way, if you think on it long enough. :)))
Ordinarily I am insane, but I do have lucid moments where I am merely stupid.
I never TRY to hit another car. But when I do I make sure its a Prius.


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Brian Conn
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Lefturns75,Mar 25 2016
09:07 AM
Rick, Your idea may work best if we can figure out something to stuff inside to help hold the shape and solve the kink problem.

....I have not done any ducts ,but some radiator hoses that I built I slid a piece of wire in to hold a shape with out kinks. I have used wire off of the wire feed welder for slight bends and the thick gauge single strand copper wire found in AC electrical wire for the hard bends.
Another source for the strand of wire that gets coiled would be 22-24 gauge floral wire...a roll of floral wire last a long time and is less expensive than automotive wire per foot average.
ON THE WORK BENCH....
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dirttrackdave
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Great Idea and tip,better than the flex straws I tried to use. :unsure:
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