[rebel-builders] Auto gas in the M14

[Ted Waltman]

Hello Eddie,

The few comments I've heard include:
- Rumors that using Avgas can cause a problem with the rubber in the carb.
Rumor has it that a person in AK put a spare carb in a sealed jar containing
avgas and didn't see any issues with the carb after more than a year, but, I
haven't heard that directly from the person
- Another person told me that they plan to run a 50/50 mix of 100LL and
avgas, but I don't have flight test results from that person
- Yet another person told me that one should always take-off on 100LL and
run Avgas in cruise--I don't see how that's really practical other than
making a science project of having 100LL in one tank and avgas in the other.

Ted

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
eddiemoran@dcsol.com
Sent: Monday, November 27, 2006 12:44 PM
To: rebel-builders@dcsol.com
Subject: [rebel-builders] Auto gas in the M14

Does anyone know the legalities and usage requirements of using Auto gas
or an auto gas mix with Avgas in the M14?



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[Drew Dalgleish]

At 10:44 AM 11/27/2006 -0900, you wrote:

Does anyone know the legalities and usage requirements of using Auto gas
or an auto gas mix with Avgas in the M14?

Legally it's a homebuilt so you can burn anything you want. Wheather it's
wise or not is a different question. The compression is low enough that
detonation shouldn't be a problem but if you get fuel with alcohol in it
the rubber parts may be damaged.
Drew



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