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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
Subject: RE: [FlyRotary] Re: Fuel System
Date: Tue, 6 Oct 2009 06:11:49 -0400
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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,
>=20
> =20
>=20
> 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 =BD 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.
>=20
> =20
>=20
>  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.
>=20
> =20
>=20
> This size  goes counter to =93tradition=94 on size of header tanks but =
is more
> in line with the =93returnless=94 systems on most of today=92s =
automobiles.
>=20
> =20
>=20
> FWIW
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> =20
>=20
> Ed
>=20
> =20
>=20
> Ed Anderson
>=20
> Rv-6A N494BW Rotary Powered
>=20
> Matthews, NC
>=20
> eanderson@carolina.rr.com
>=20
>  <http://www.andersonee.com> http://www.andersonee.com
>=20
>  <http://www.dmack.net/mazda/index.html>
> http://www.dmack.net/mazda/index.html
>=20
> http://www.flyrotary.com/
>=20
>  <http://members.cox.net/rogersda/rotary/configs.htm>
> http://members.cox.net/rogersda/rotary/configs.htm#N494BW
>=20
> http://www.rotaryaviation.com/Rotorhead%20Truth.htm
> <http://www.dmack.net/mazda/index.html>=20
>=20
>   _____ =20
>=20
> 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
>=20
> =20
>=20
> Hi All
>=20
> We are trying to make a decision re: fuel system.
> I=92ve 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?
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> Thanks=20
>=20
> Steve Izett
> Perth Western Australia
> Building Glasair SIIRG Renesis 4 Port RD1C EC2 EM3=20
>=20
>   _____ =20
>=20
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--=20
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
3.8 Hours Total Time and holding
Cables for your rotary installation - http://roblinstores.com/

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