Steve Gould Wrote:
> 
> The difference in 850 and 1100 is at least 1.5 GPH fuel mileage. 850 will
> gum up the rings alot quicker than 1100.  I also don't like to see above
> 1100 to be safe, but 1100 is safe, better on the engine and gas mileage.
> 
> The prop has everything to do with EGT.
> 
> Jay

Agreed, 1050 to 1100 looks most comfortable to me, when I look at EGT
gauge.

More prop pitch, lower EGT, too little pitch, too high EGT, despite what
the "experts" at 2si and Rodger Zerkle say.

> ----- Original Message -----
> From: "Chad Hilbert" <jc.hilbert@home.com>
> To: <fly-ul@majordomo.hughes.net>
> Sent: Wednesday, March 28, 2001 1:08 PM
> Subject: UL: Re: EGT Temp 377
> 
> >
> > >I have a freind who has a 377 on his MXL and the temp is running between
> > 900
> > >and 1000 degrees. He is using an EIS. Is that within normal limits? If
> not
> > >what should it be?
> > >
> > >Any help would be appreciated,
> > >
> > >Tom Stotts
> > >Spokane, WA
> > >
> >
> > Sounds ok to me.  I've seen egts from 850 to 1100.  While I believe 850 is
> a
> > little low, and 1100 a little high, neither will lead to an imminent
> > seizure.  850 indicates a slightly rich mixture, 1100 approaching the lean
> > limit.  Just remember, aluminum melts at 1400 F.  1100 F is on the high
> side
> > of MY comfort zone.......at 1200 F it is definately time to take measures
> to
> > get it cooled down.  Adjustments to control temps is as much "art" as it
> is
> > science.
> >
> > Just my opinion
> > Chad
> >
> >