REFLECTOR:Exhuast systems

[Jim Agnew]

That is one purpose and to allow for slight misalignment.

Jim
--- John Dibble <aminetech@dixie-net.com> wrote:
> Do slip joints allow a slight movement?  One of my 3 into
> 1 exhaust (Franklin engine)
> moves just a bit, the other feels rigid.
> 
> John
> 
> Jim Agnew wrote:
> 
> > Scott,
> >
> > Without slip joints you will almost always get cracking
> > because each cylinder is expanding at a different rate
> due
> > to uneven heating.  As far as no stains on the prop, I
> have
> > two to one on my IO-360 rear facing except that the
> rear
> > end of the pipe has a 90 degree elbow which has been
> milled
> > off flush with the bottom of the pipe leaving a large
> oval
> > hole with a tip down end.  This mixes the exhaust with
> the
> > air passing around the fairing and turns it down
> slightly.
> > At most after several hours I get a slight haze on the
> prop
> > that just wipes off.  I can send you a picture directly
> if
> > you like.
> >
> > Jim
> 
> 
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=====
James F. Agnew
Jim_Agnew_2@Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed