Fairchild Club Forum

'Would be interested in hearing from members who are using mogas in
their Rangers. My newly overhauled Ranger is a gem and I don't want
to wreck it but I've heard many folks are using mogas with success.
Needless to say, there's economics in play here. What's 100LL going
to go for next year?

Mike Denest, if you're here, do you have any input?

Your comments, please.

Mike in Oregon'

'I have the Peterson STC on my 200 Ranger and it has been running great.
About 50 hours on an overhaul. Peterson recommends using 25%/75% mixture of
100LL to Autogas which gives about the same lead as 80 octane Avgas. Valve
lubrication according to the papers.

Bob Webster

----- Original Message -----
From: "Michael Danielle"
To:
Sent: Sunday, September 25, 2005 7:06 PM
Subject: [fairchildclub] MOGAS


> Would be interested in hearing from members who are using mogas in
> their Rangers. My newly overhauled Ranger is a gem and I don't want
> to wreck it but I've heard many folks are using mogas with success.
> Needless to say, there's economics in play here. What's 100LL going
> to go for next year?
>
> Mike Denest, if you're here, do you have any input?
>
> Your comments, please.
>
> Mike in Oregon
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>

'

'Mike,
For certificated, normal category aircraft, you must
have an STC to put the fuel in the tank and an STC for
the engine. No STC's are required for experimental
category aircraft. That's the official line.

One must be very careful when using Mogas as the
formulation is different from Avgas. Mogas
formulation varies across the country while Avgas is
the same all over. If your engine timing is off, the
possibility of burning holes in the piston and
damaging the engine is possible, but I'm not saying
you can't use it. Originally 60 years ago, the 175
minimum was 65 octane and the 200 was 87 octane but
that was with tons of lead to help the combustion
process. Today use 80/87 for the 175 and 100LL for
the 200. Personally, I have not used Mogas as I do
not have the STC's on the Fairchilds so I do not have
experience with it. Been pulling up to the 100LL pump
and gritting my teeth! You might try posting the
question on the Fairchild forum as well. I'll bet
you'll get at least 10 different opinions.

Mike



--- Michael Danielle wrote:

> Would be interested in hearing from members who are
> using mogas in
> their Rangers. My newly overhauled Ranger is a gem
> and I don't want
> to wreck it but I've heard many folks are using
> mogas with success.
> Needless to say, there's economics in play here.
> What's 100LL going
> to go for next year?
>
> Mike Denest, if you're here, do you have any input?
>
> Your comments, please.
>
> Mike in Oregon
>
>
>

______________________________________________________
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'Mike ,
I have been running a mixture of auto fuel and 100LL in my Ranger for 20
years with out any problems. The mixture is a 4 to 1 auto fuel to100LL.

John Berendt

----- Original Message -----
From: "Michael Danielle"
To:
Sent: Sunday, September 25, 2005 7:06 PM
Subject: [fairchildclub] MOGAS


> Would be interested in hearing from members who are using mogas in
> their Rangers. My newly overhauled Ranger is a gem and I don't want
> to wreck it but I've heard many folks are using mogas with success.
> Needless to say, there's economics in play here. What's 100LL going
> to go for next year?
>
> Mike Denest, if you're here, do you have any input?
>
> Your comments, please.
>
> Mike in Oregon
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>

'

'I have been using mogas in three different Ranger engines since 1985, no
burnt valves, no valve seat problems, no burnt pistons, no carbon,

no new sparkplugs.. No engine stoppage for any reason except at end of
flight All oil analysts indicate normal wear residue..

Some years ago at Ottumwa, or Sun & Fun. Some where in the mid west I got a
thankful of corn gas, ethanol, I had to OH the carb

and replace some rubber fuel line sections after I got back. I have had to
position and hold at 90 degree ramp temps. for minutes, never had a backfire

or balk in acceleration. I use 93 US combined rating high test all the time
except when some one is donating avgas at an air show . I will concede

10 oz. of Marvel oil is good for the head, engine and Pilot. Bob Haas. .




_____

From: fairchildclub@yahoogroups.com [mailto:fairchildclub@yahoogroups.com]
On Behalf Of Bob Webster
Sent: Sunday, September 25, 2005 10:54 PM
To: fairchildclub@yahoogroups.com
Subject: Re: [fairchildclub] MOGAS



I have the Peterson STC on my 200 Ranger and it has been running great.
About 50 hours on an overhaul. Peterson recommends using 25%/75% mixture of
100LL to Autogas which gives about the same lead as 80 octane Avgas. Valve
lubrication according to the papers.

Bob Webster

----- Original Message -----
From: "Michael Danielle"
To:
Sent: Sunday, September 25, 2005 7:06 PM
Subject: [fairchildclub] MOGAS


> Would be interested in hearing from members who are using mogas in
> their Rangers. My newly overhauled Ranger is a gem and I don't want
> to wreck it but I've heard many folks are using mogas with success.
> Needless to say, there's economics in play here. What's 100LL going
> to go for next year?
>
> Mike Denest, if you're here, do you have any input?
>
> Your comments, please.
>
> Mike in Oregon
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>




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