Hi Paul,
I would have thought that a vapour lock situation would be unlikely
if you were to use the tank return line, thus pumping fuel around
continually to keep it cool. It wouldn't have a chance to heat up too
much and cause bubbles; however, without a return line, the fuel will
get hot as it hardly moves.
Avgas ( I believe) is the same mix all year round whereas Mogas
changes with the seasons in order to aid starting.
Cheers
Ed
Quoting Paul McAllister <paul.mcallister@qia.net>:
> Hi All,
>
> I am somewhat interested in this issue. Here in the Mid West of
USA you
> can
> generally count on auto gas containing alcohol and other additives.
> It
> appears the additives have a very bad effect on rubber hoes and the
> like,
> and alcohol has the ability to dissolve water which can come out of
> solution
> at cooler altitudes. My other concern is that auto gas is more
volatile
> and
> I my be exposing myself to vapor lock.
>
> If I am correct in the above, then I believe that I am left with no
> choice
> but to use AV Gas. I was planning on using an additive to remove
the
> lead.
> I'd be interested on anyone's views.
>
> Regards, Paul McAllister
>
>
>
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