Nick Davison
|
| posted on 24/2/04 at 11:09 AM |
|
|
Turbo pipe to intercooler?
This is a tricky one any ideas.
What material is available to me to make a patern for an air pipe from my turbo to intercooler?
It is about two feet long with 2 complex bends in (bends in more than one plane), one less than 90deg, which is tight. It will need to be 48 to 50mm
OD and would have to be easy to bend by hand as it will be made by trial and error, you know bend a bit try it bend some more etc.
I have thought of plastic pipe which bends when heated and also copper plumbing pipe with insullation foam on the outside to give the added radius.
Any other ideas?
Nick
|
|
|
|
|
timf
|
| posted on 24/2/04 at 11:32 AM |
|
|
exhaust flexi pipe ?
|
|
|
Nick Davison
|
| posted on 24/2/04 at 11:34 AM |
|
|
Do you mean the stainless braided type?
|
|
|
timf
|
| posted on 24/2/04 at 12:31 PM |
|
|
the convoluted type
|
|
|
Nick Davison
|
| posted on 24/2/04 at 01:07 PM |
|
|
The same as from top of exhaust manifold to air inlet filter for cold starting and running.
|
|
|
Viper
|
| posted on 24/2/04 at 01:24 PM |
|
|
quote:
Originally posted by Nick Davison
The same as from top of exhaust manifold to air inlet filter for cold starting and running.
I think you will find that won't be man enough,
Timf is talking about actual exhaust pipe (steel or stainless) that can be bent by hand.
Tim.
|
|
|
Nick Davison
|
| posted on 24/2/04 at 02:40 PM |
|
|
I don't know that type, tell me more.
|
|
|
timf
|
| posted on 24/2/04 at 02:56 PM |
|
|
available from jetex comes in 2" 2.5" and 3" dia
looks like this
 
Rescued attachment Image2.jpg
|
|
|
Terrapin_racing
|
| posted on 24/2/04 at 03:16 PM |
|
|
A much more professional material is High Temp Silicon hose (230C max) - but it's about £50 for a metre from Rally Design
|
|
|
Terrapin_racing
|
| posted on 24/2/04 at 03:17 PM |
|
|
PS: for tight bends you will need the wire reinforced type
|
|
|
timf
|
| posted on 24/2/04 at 03:24 PM |
|
|
hi terrapin
in original question
What material is available to me to make a patern
hence the sugestion of flexi pipe
|
|
|
Nick Davison
|
| posted on 24/2/04 at 03:26 PM |
|
|
That is getting there, I spoke to the company and the flex pipe will not bend enough to form the radius I need. It may be possible to buy the two
bends and fit a flexy bit in the middle as the bends are at either end, it will just be a matter of getting the right bend.
Good site though and it will be usefull for when I get round to doing the exhaust.
Nick
|
|
|
Dale
|
| posted on 25/2/04 at 03:49 AM |
|
|
Have you considered abs or pvc sewer or hi- efficientcy furnace chimny pipe- or large diameter copper.
I will probably going with copper or pvc for mine- should easily hold up to the temp and 20psi.
Dale
|
|
|
Nick Davison
|
| posted on 25/2/04 at 09:02 PM |
|
|
If you can get copper at 48mm ID then that could be a possibility. It would be had to bend to the desired radius though.
I will be able to make a patern from the flexi manifold to air filter pipe and then see about getting one made to the patern. I had my roll bar bent
by a chap near Lincoln who can do all diameters of stainless, if that has a thin enough wall and is light enough then it may work.
I have also considered taking a mold from it in glass fibre and then casting a carbon one, it may be worth a try provided I can get a good finish on
the exterior and sufficient strength in the wall to hold the clips.
I would probably find that I will have to resort to a metal one in the end though.
Nick
|
|
|
stephen_gusterson
|
| posted on 25/2/04 at 10:25 PM |
|
|
as its under pressure from the turbo, does it need to be really smooth inside?
if not, why not use steel tube, and cut 'segments' in it to form stepped bends, welding the segments together afterwards.
atb
steve
|
|
|
Nick Davison
|
| posted on 26/2/04 at 09:51 AM |
|
|
That is a possibility and has been done to good effect before for turbo installations.
One drawback, not withstanding the fact that the intercooler will slow the air down, any sharp bends or angles in the transfer pipe will induce
turbulance and drag in the airflow to some extent which will ultimately slow the flow of air to the inlet manifold and induce more turbo lag.
Having said that if I started out with some preformed bends, as can be bought from places like Jetex, the sharp angles will be kept to a minimum and
it could look good if polished or painted well.
I do like the Idea of having a pair of nice looking carbon pipes under the bonnet though. I have reservations whether I can manufacture them to a good
enough standard.
|
|
|
