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Hi Bob,
The fuel continuously circulates between the header tank and the fuel rails.
Any fuel injected creates a pressure differential (vacuum) in the header
tank which draws cool fuel from wing tanks. So the header tank is never
empty and it eliminates the need for return fuel lines to the wing tanks.
It was simply, easy to fabricate and has worked for the last 10 years.
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://www.andersonee.com
http://www.dmack.net/mazda/index.html
http://www.flyrotary.com/
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.rotaryaviation.com/Rotorhead%20Truth.htm
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Bob White
Sent: Monday, October 05, 2009 8:59 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Fuel System
Hi Ed,
Where does the fuel go after the header tank fills up?
Bob W.
On Mon, 5 Oct 2009 21:03:39 -0400
"Ed Anderson" <eanderson@carolina.rr.com> wrote:
Hi Steve,
Just for comparison -my fuel system is very similar in concept. The
principal conceptual difference is I have a header tank for return of my
fuel from injectors mounted on the fire wall and is ˝ pint in capacity.
The
theory is not much fuel to have to get rid of if it gets hot. The fuel
flow
into the engine through the injectors continuously pulls cool fuel from
wing
tanks.
8 gallons of hot fuel (if it ever got hot) might take a while to burn
down
to the point the cool incoming fuel does some good.
This size goes counter to “tradition” on size of header tanks but is more
in line with the “returnless” systems on most of today’s automobiles.
FWIW
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
<http://www.andersonee.com> http://www.andersonee.com
<http://www.dmack.net/mazda/index.html>
http://www.dmack.net/mazda/index.html
http://www.flyrotary.com/
<http://members.cox.net/rogersda/rotary/configs.htm>
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.rotaryaviation.com/Rotorhead%20Truth.htm
<http://www.dmack.net/mazda/index.html> _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of stevei@carey.asn.au
Sent: Monday, October 05, 2009 7:35 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Fuel System
Hi All
We are trying to make a decision re: fuel system.
I’ve attached a PDF with design and questions etc.
Could you please pull it to pieces, make recommendations?
Steve Thomas can you comment also from the GSIIRG perspective?
Thanks Steve Izett
Perth Western Australia
Building Glasair SIIRG Renesis 4 Port RD1C EC2 EM3 _____ The contents of this email are confidential and intended only for the
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