REFLECTOR: Fuel shutoff valve location

[jerry at jlbent.com]

Andy,

I am not sure that the the system would have any problem with Dave's
approach.  As long as the fuel line has fuel, the siphon will work.  Of
course that assumes that there is a siphon in the original solution.  To
work as a siphon, the fuel line delivery end has to be below the source
fuel level in the configurations it will be used.  If the fuel pump is
needed, it will not pull fuel from the tanks because the vent provides a
vacuum break.

At least this is how my feeble understanding would suggest it would work.
Your results may vary.


Jerry Brainard
Jerry at JLBEnt.com


  	-------Original Message-------
From: Andy Millin
Subject: Re: REFLECTOR: Fuel shutoff valve location
Sent: Jul 18 '09 1:31pm


Dave,


I mounted mine under the gear bow by the firewall.  I have a push pull
cable mounted in the panel for actuation.


Putting the fuel shutoff in the front might have unintended consequences.
With enough pitch up angle you could get the fuel shutoff above the fuel
ports in the tank.  Not desirable in a gravity fed system.  True, the fuel
pump may pull it through
  just a thought.


FWIW,


Andy


FROM: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] ON
BEHALF OF David Ullman
SENT: Saturday, July 18, 2009 9:40 AM
TO: reflector at tvbf.org
SUBJECT: REFLECTOR: Fuel shutoff valve location


Where have people put their fuel shutoff valve?  It seems stupid to put it
where it can be reached.  Thus, I am currently planning on running the fuel
line from the sump, up the center spine and putting the valve in a location
I can reach and then running a line back around the sump and to the
firewall fitting.  Thoughts??


David G. Ullman

[LINK: mailto:ullman at robustdecisions.com] ullman at robustdecisions.com

541-754-3609


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