Jerry Hey wrote:

 > > > >  >   The runners are .065 304 SS.   The muffler is .075  304 S that a

 > > >  > sheet metal shop sheared for me.  The muffler cost $12.00.
 > > >  >
 > > >  > We will see how noisy it is.  I am really hoping that it will be
 > > >  > sufficiently quiet.  In the even it is not, the  45º down
tube can be
 > > >  > spin teched with drop in baffles.
 > > >  >
 > > >  > I set aside September for the exhaust system so it looks like I get
 > > >  > three weeks off.     Jerry

 > > 1. It looks like the entire weight hangs off the exhaust
manifold flanges.
 > > When the material gets hot, will it have sufficient strength? Or am I
 > missing
 > > something.
 > >
 > > 2. You are using 304 SS. Others have recommended 321 SS. I don't know
 > enough
 > > of the differences between the SS's, can someone comment on
their relative
 > > applications and limitations?
 > >
 > > Bill Schertz
 > > KIS Cruiser #4045

 >321 SS is better but cost is an issue. One can always trade a bit of weight
 >for cost. Instead of .049 321 SS go to .065 for 304 SS.
 >
 >Paul Lamar

   Bill makes a valid point. Are there slip joints, or will there be ball
 joints, or some other means of accomodating thermal expansion? Is there
 some sort of semi-flexible suspension planned for the muffler so that its
 weight is not suspended from the exhaust flange?

   It looks great Jerry. Amazing how quickly you got it together.

 > Mike Wills

High  praise, considering the source.  It took seven very focused
hours to get it fitted in place.  Jerry

 
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