REFLECTOR: Fuel Pump Cooling?

[John Dibble]

The only problem I have is when the engine compartment is hot, like when you make a
quick stop at an airport.  The electric pump vapor locks.  Since I have a carburetor,
I can start without any pump and the problem goes away once the engine is running.

John

KeithHallsten wrote:

> I was a bit surprised to see that, too.  I have thought that the fuel boost
> pump is used on a sufficiently "intermittent" basis that cooling would not
> require special consideration.  I was even considering installing the fuel
> boost pump on the cabin side of the firewall.  The pump itself is cooled by
> the fuel passing through it, but that probably doesn't help the electric
> motor driving it.  Has anyone else identified a need for cooling for the
> pump motor?
> Keith Hallsten, XLFG
>
> ----- Original Message -----
> From: "Jack Sheehan" <j.f.sheehan at larc.nasa.gov>
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Sent: Friday, May 06, 2005 11:01 AM
> Subject: RE: REFLECTOR: Roof NACA's
>
> > Rene
> > I am flying the same engine 260hp. i have not considered any cooling
> > for the electric fuel pump. Mine is located at the bottom of the
> > firewall and as far as I know heat has not been a problem am I
> > missing something
> >
> > --
> > Jack Sheehan
> > Executive Director
> > National Consortium for Aviation Mobility (NCAM)
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