--The first couple of photos on my page might give you an idea:
http://www.nmpproducts.com/exhaust.htm
--I've got a metal lathe with a different arrangement, but I
haven't posted a picture of it yet.

--
"Steamboat Ed" Haas : What's not done by you
Hacking the Trailing Edge! : is done *to* you..
www.nmpproducts.com
---Decks a-wash in a sea of words---