Stebro [was: 4kq Exhaust time]

[Huw Powell]

> > Before everyone starts pulling out their welders, one question:
> > How are you going to mandrel-bend everything to minimize cross-sectional
> > area reduction in the bends? Without doing this, you will lose a lot
> > of cross-sectional area, esp. if you do some serious bends.
> 
> you build the system piece by piece.  places like Burns Stainless sell
> mandrell bent "U" bends which you can cut and weld in place whenever you need
> to make a bend.  the result is a perfectly smooth internal wall for the
> exhaust gasses to flow through.

Like this:

http://www.humanspeakers.com/cgi-bin/humanspeakers/audi_img.pl?image=exhaust3-bends.jpg&desc=

or even this sort of fun:

http://www.humanspeakers.com/audi/exhaust6.htm

-- 
Huw Powell

http://www.humanspeakers.com/

http://www.humanthoughts.org/