Actually, Jim.  Tracy Crook is getting well over 100 hours before SAG with
unleaded gas, so its a bit better than twice the Leaded life I have been
experiencing.  The only difference being the absence of Lead in his MOGAS.
Perhaps the heavier lead is harder to blow off the ceramic cone than just
the carbon {:>)

Ed A
----- Original Message -----
From: "Jim Sower" <canarder@frontiernet.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, March 15, 2005 9:32 AM
Subject: [FlyRotary] Re: SAG Report


> That makes sense.  Guess I misunderstood that 100LL cuts life of the
> plugs in half and that twice the "leaded" life of 25 - 30 hrs could be
> expected from unleaded gas.  That's still only 50-60 hrs.  You have to
> change plugs every oil change?
> I've never heard this happening anywhere else ... Jim S.
>
> WRJJRS@aol.com wrote:
>
> > In a message dated 3/14/2005 9:54:15 PM Pacific Standard Time,
> > canarder@frontiernet.net writes:
> >
> >
> >     At a loss to figure out why aviators seem to be the only victims
> >     ... Jim S.
> >
> > Jim, That answer is easy, very few others are running extended hours
> > running 100 LL ! I have run 100 LL in some racing engines as a cheaper
> > source of higher octane fuel, but those engines might only see 35
> > hours in 1/2 a season, not in a few weeks of flying. While Lyco pilots
> > dread it I will welcome the unleaded avgas.
> > Bill Jepson
> >
>
>
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