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Author Odd request - oval tubing
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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4th Aug 15 at 18:11   View Garage View User's Profile U2U Member Reply With Quote
Really struggling with this but I'm after some oval tubing which will suit a 75mm round hose (I know that contradicts...)

Needs to be light and doesn't need to be strong so plastic/carbon/aluminium will all work but no steel/iron/granite please.

I could do with it being relatively flat too but I can't do the maths to work out heights/widths.

Any pointers?
Dee25790
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Registered: 3rd Jun 14
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4th Aug 15 at 18:51   View User's Profile U2U Member Reply With Quote
Could you take thin wall tube and press it? Wouldn't be scientific but it would probably be oval..
Gary
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Registered: 22nd Nov 06
Location: West Yorkshire
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4th Aug 15 at 18:58   View Garage View User's Profile U2U Member Reply With Quote
Electrical oval tube?
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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4th Aug 15 at 19:07   View Garage View User's Profile U2U Member Reply With Quote
Would be perfect if it was bigger
Dee25790
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4th Aug 15 at 19:21   View User's Profile U2U Member Reply With Quote
How long do you need it to be?
Robin
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Registered: 7th Jan 04
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4th Aug 15 at 19:22   View Garage View User's Profile U2U Member Reply With Quote
I'd need about a metre in total
taylorboosh
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4th Aug 15 at 19:26   View User's Profile U2U Member Reply With Quote
Whats it for?
Dee25790
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4th Aug 15 at 19:26   View User's Profile U2U Member Reply With Quote
Okay only asking as I'll keep a lookout in work
Dee25790
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4th Aug 15 at 19:29   View User's Profile U2U Member Reply With Quote
Btw if you Search for eliptic thin wall mild steel tube, or words to that effect . You should find what you need
Robin
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Registered: 7th Jan 04
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4th Aug 15 at 19:32   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by taylorboosh
Whats it for?


Brake ducts
VrsTurbo
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Registered: 8th Jun 10
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4th Aug 15 at 21:18   View Garage View User's Profile U2U Member Reply With Quote
Just use a cup racer setup
Ian
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Registered: 28th Aug 99
Location: Liverpool
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5th Aug 15 at 00:17   View Garage View User's Profile U2U Member Reply With Quote
An actual ellipse or a radiused rectangle?

Or not fussed?

The latter being easier to work out dimensions as you've got a circumference that has more in common with a regular circle.

75mm dia hose has a circumference of 235mm

So at 45mm height you'd have a circ. of 141mm so would need to add 47mm of width so it'd be 92mm wide.

Columns are height, circ. and additional width, all mm.

75 236 0
70 220 8
65 204 16
60 188 24
55 173 31
50 157 39
45 141 47
40 126 55
35 110 63
30 94 71
25 79 79
20 63 86
15 47 94
10 31 102
Ian
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Registered: 28th Aug 99
Location: Liverpool
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5th Aug 15 at 00:25   View Garage View User's Profile U2U Member Reply With Quote
https://www.tpextrusions.com/plastic-pvc-special-tubes.html

These chaps might advise although looks custom - their highest stock oval is 20mm which means you'd need it to be 106mm wide overall to retain that circumference. They only list 70mm which would only give a circ. of 162mm which is about 51mm round tube.
broster
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Registered: 6th Dec 02
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5th Aug 15 at 12:24   View Garage View User's Profile U2U Member Reply With Quote
with TP extrusions you usually need to order 1/2 a ton of material, which is just a little over 1m!

get some alu tube the right diameter and squash it in a vice between 2 bits of wood?
Ellis
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Location: Aberdeenshire
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5th Aug 15 at 12:31   View User's Profile U2U Member Reply With Quote
Just noticed your avatar there broster. Damn I want one of those JCWF exhausts on my Audi, incredible noise they create.
broster
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Registered: 6th Dec 02
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6th Aug 15 at 15:45   View Garage View User's Profile U2U Member Reply With Quote
Ellis, just done a B8 RS4, they sound good!
VrsTurbo
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Registered: 8th Jun 10
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20th Aug 15 at 19:40   View Garage View User's Profile U2U Member Reply With Quote
I assume it's yours I seen on jcwelds Facebook page

 
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