tegwin
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| posted on 23/3/09 at 10:05 PM |
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Drain pipe... will it fit inside itself?
Another obscure quick (ish) question
Anyone deal with drain piping on a regular basis able to help?
If I have a length of "standard" 50mm white waste pipe would a length of 40mm of similar pipe slide inside with a relativley snug
fitting?
Is the figure given in catalogues the bore or total OD?
[Edited on 23/3/09 by tegwin]
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designer
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| posted on 23/3/09 at 10:12 PM |
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Most PVC pipe is 3mm wall. So the answer is no.
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lsdweb
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| posted on 23/3/09 at 10:12 PM |
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I'd say no!
You'll need an adaptor - just be careful that different manufacturers use slightly different sizes!
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tegwin
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| posted on 23/3/09 at 10:17 PM |
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hmm.. on that basis.... 32mm would slide inside a 40mm pipe with a 1mm gap either side.... a bit of duct tape to act as a slide would solve
that.....
Im trying to design a colapsable stand for a photography backdrop....
Not sure if I want to go for different sized tubes telescopic style, or just use the same size with lots of connectors pinned inplace with R clips...
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Guinness
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| posted on 23/3/09 at 10:26 PM |
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Best to head down to a plumbers merchant or B&Q type place!
Mike
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austin man
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| posted on 23/3/09 at 10:33 PM |
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cant you use alluminium or a pair of tripods raised and adapted to support an alluminium tube from which to hang your backdrop ?
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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tegwin
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| posted on 23/3/09 at 10:38 PM |
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I could do... but I cant find any decent tripods for less money than some plastic pipe :p
I want a 3m span at 2.5m high....
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MikeR
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| posted on 23/3/09 at 10:42 PM |
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I never did reply to your original thread.
I went 32mm pipe with push fit connectors.
Problem was the T peice between the legs and vertical at the bottom wasn't very strong so and it wobbled .... i added another T part way up and
then put a 45 degree connector to make a stabiliser.
If i'd thought about it i'd have realised all i was doing was making the weak joint at the bottom a weak joint a 1/3 of the way up.
My revised and not yet implemented plan is to go back to one bit of tube for the whole vertical, but have a larger (40mm) T piece as the support and
peg it to the thinner one piece tube.
It doesn't solve the problem you're trying to of making it size adjustable. One thing i thought about was getting two bits of tube,
cutting a slit out of one and sliding it inside the other. The tube would then try and expand out giving some friction.
btw - 34mm OD waste pipe has a 2mm wall (so 30mm ID)
[Edited on 23/3/09 by MikeR]
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tegwin
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| posted on 23/3/09 at 10:52 PM |
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Hmmm...
Just been having a look at my plumb centre catalogue...
To get the bends, connectors, T pieces, pipe and R clips will cost me about £60 inc VAT....
I can get a proper backdrop stand for £75 ...... might be worth a bit more than a pile of pipes when I am finished with it!
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