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Danny,
Lorn is right. Please go read the EAA's data on the mogas
STC and the ever important alcohol presence test.
Others have tried and watched the fuel tank sealer breakup and clog/destroy
other parts of the system, thus a fuelish penny saved is a penny burned for
repairs.
The grapevine is only good for growing grapes.
Grayhawk
PS, I thought you were looking for high performance - that is not
compatible with the grapevine squeezings.
In a message dated 9/24/2010 12:36:10 P.M. Central Daylight Time,
danny.miller@verizon.net writes:
The
obvious reason would be a cost savings but only if you need 100LL.
If
your engine spec says 80/87, there's no gain. I wasn't aware that
ethanol
free mogas had become so impossible to get.
Danny
Miller
N 38° 43' 27"
W 77° 30' 38"
-----Original
Message-----
From: Lorn H Olsen [mailto:lorn@dynacomm.us]
Sent: Friday,
September 24, 2010 10:02 AM
To: Lancair List
Cc: Danny
Miller
Subject: Re: Avgas & Mogas mix
Danny,
Why mix the
fuel? The engine manual for my engine, the O-320-D1F, 160 HP
specifies
80/87 octane fuel. What is to be gained by mixing?
The real problem is
getting auto fuel without ethanol. Moisture will combine
with the ethanol
effectively sucking it out of the fuel and laying it at the
bottom of the
tank. Without the ethanol, the octane is lowered. Ethanol may
or may not
also eat the coating off of the gas tanks. I have seen
this
happen.
3 years ago, many auto gas stations in Michigan sold
fuel without ethanol
but not any more. Last year I tested the fuel at 12
gas stations. All had
changed to a methanol mixture. The only 3 airports
that I have been able to
find that still sell non-ethanol auto fuel are in
Marshall, Mi, Chesapeake,
Va and Barnwell, SC.
Lorn
>
From: "Danny Miller" <danny.miller@verizon.net>
> Date: September
23, 2010 5:24:26 PM EDT
>
> I heard through the grapevine that a
mix of 2/3 mogas with 1/3 avgas is a
viable mix for most LNC2 types. Does
anybody have experience with this?
>
> Danny Miller
> N 38°
43' 27"
> W 77° 30' 38"
--
Lorn H. 'Feathers' Olsen, MAA,
ASMEL, ASES, Comm, Inst
DynaComm, Corp., 248-345-0500,
mailto:lorn@dynacomm.us
LNC2, FB90/92, O-320-D1F, 1,750 hrs, N31161, Y47,
SE Michigan
--
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