gasoline in FAI fuel?

[Dean Pappas]

Gasoline also destroys the silicone bits in a YS pump.

Dean Pappas
Sr. Design Engineer
Kodeos Communications
111 Corporate Blvd.
South Plainfield, N.J. 07080
(908) 222-7817 phone
(908) 222-2392 fax
d.pappas at kodeos.com


-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of Bill Glaze
Sent: Tuesday, October 12, 2004 4:56 PM
To: discussion at nsrca.org
Subject: Re: gasoline in FAI fuel?


Wayne:
Gasoline has the highest specific heat value.  Methanol has about 1/2 
the specific heat, and nitro has about half the specific heat of 
methane, or about 1/4 the heat value of gasoline.  The reason that nitro 
is such a h.p. builder, is because you can, if necessary, run a hellish 
amount of the stuff, because it makes it's own Oxygen. Same as double 
base gunpowder.  Adding nitroglycerine helps the combustion, at the 
expense of greater barrel erosion.  Or, as we used to say:  "Nitro 
destroys bank accounts."

Bill Glaze

Wayne Galligan wrote:

>Yes... I am interested in hearing this theory.   I thought gasoline had
>fewer btu's then alcohol and how does it aid in ignition?   Does it retard
>ignition or advance it?
>
>Lance V. has been running FAI fuel through his engines as an after run to
>dissipate the nitro left over in the engine.  I am waiting for his results
>as he just started doing this in the last few months,
>
>Wayne G.
>
>  ----- Original Message ----- 
>  From: brianyemail-nsrca at yahoo.com
>  To: discussion at nsrca.org
>  Sent: Tuesday, October 12, 2004 1:23 PM
>  Subject: Re: [SPAM] Re: bearings/fuel
>
>
>  Youre saying add 15% gasoline to FAI fuel? Does the power compare to nitro
>fuel and how about the idle?
>
>  ray ayestaran <pizzaalt at concentric.net> wrote:
>    nitro is causing that bearing rust, try fai fuel with 15%gas added also
>don't run your engine dry after flying, just drain tank allow some oil to
>protect bearings from moisture. a soft mount without nose ring will allow
>engine to oscillate around crank putting much more pressure on bearings at
>unintended angles. have you ever held a mechanical gyro while spinning - if
>you move it left, right, up or down it will not react but as soon as you
>twist it off axis it will drop rpm and fight.
>
>
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