-------------- Original message from WALTER B KERR <jbker@juno.com>: --------------


>
> On Tue, 14 Jun 2005 16:23:22 -0500 "Mark R Steitle"
> writes:
> > Jerry,
> > You forced me to do a sketch. So, here it is.
> >
> > Mark
> >---------------------------------------
> Mark, why do you choose not to return fuel to the tank instead of to the
> selector valve? I have been to 17000 feet in Fla on auto gas and when I
> landed the tanks feel very cool to hand and this is the fuel that the
> pump sees rather than the elevated temps coming back from the engine bay.
> I have run tanks dry above 10000 and the engine quickly fired off as soon
> as I switched tanks so returning fuel to the tank has passed any test I
> can think of. The fact that the system apparently boils someplace along
> the way during ground shutdown but quickly clears when the pump is turned
> on says that if I had a small orifice that it probably would take longer
> to bleed the vapor rather than returning it to a cooler tank.
>
> Bernie