X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from QMTA02.emeryville.ca.mail.comcast.net ([76.96.30.24] verified) by logan.com (CommuniGate Pro SMTP 5.2.10) with ESMTP id 3328466 for flyrotary@lancaironline.net; Wed, 03 Dec 2008 09:30:03 -0500 Received-SPF: pass receiver=logan.com; client-ip=76.96.30.24; envelope-from=hoursaway1@comcast.net Received: from OMTA09.emeryville.ca.mail.comcast.net ([76.96.30.20]) by QMTA02.emeryville.ca.mail.comcast.net with comcast id mc2F1a00A0S2fkCA2eVQgd; Wed, 03 Dec 2008 14:29:24 +0000 Received: from amailcenter03.comcast.net ([204.127.225.103]) by OMTA09.emeryville.ca.mail.comcast.net with comcast id meVQ1a0012EUfsk8VeVQVZ; Wed, 03 Dec 2008 14:29:24 +0000 X-Authority-Analysis: v=1.0 c=1 a=7g1VtSJxAAAA:8 a=Ia-xEzejAAAA:8 a=g1fDRzVEdn0PgLfCl4AA:9 a=U3miQpGXoj4_mkkb7rwA:7 a=KiRkJqg4eJ3k9KMoeWjk0zSkAvMA:4 a=eJojReuL3h0A:10 a=EzXvWhQp4_cA:10 a=gi0PWCVxevcA:10 a=PifBy9ao44axrMHD0t0A:9 a=lGKNSRv_bBtq6OIFwyYA:7 a=PLQYsSyBWQuacMsHjizZxD23bkAA:4 a=3A9lNKN2IPAA:10 a=37WNUvjkh6kA:10 Received: from [208.254.22.50] by amailcenter03.comcast.net; Wed, 03 Dec 2008 14:29:23 +0000 From: hoursaway1@comcast.net To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Fuel system Date: Wed, 03 Dec 2008 14:29:23 +0000 Message-Id: <120320081429.15937.493697C300062E4A00003E412216527966CE970E990E9C9D9A0108@comcast.net> X-Mailer: AT&T Message Center Version 1 (Oct 30 2007) X-Authenticated-Sender: aG91cnNhd2F5MUBjb21jYXN0Lm5ldA== MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_15937_1228314563_0" --NextPart_Webmail_9m3u9jl4l_15937_1228314563_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit I know of a Co. in FL. that makes an all chemical tolerant duplex valve (brass w/nylon cups) for aprox. $180 shipped to your home, he has been using the DV for aprox. 7 years now, mine has been wet with auto fuel/alc./2 cyc. mix, in an RV6A Rotary for aprox. 2 years now being changed from tank-to-tank monthly. I will find his info. & post tomorrow? David R. Cook RV6A Rotary freeeeezing in MI. -------------- Original message -------------- From: Charlie England > There's that, and the fact that in today's unbelievably tight credit > market, you might not be able to get a loan for one. ;-) > > Charlie > > Bill Schertz wrote: > > Consider using an ANDAIR duplex valve. It takes fuel from one tank and > > returns it to the same tank. Turn it and it takes and returns to the > > other tank. Simple in operation, but requires more plumbing. > > Bill Schertz > > KIS Cruiser #4045 > > N343BS > > ----- Original Message ----- From: "randy echtinaw" > > > > To: "Rotary motors in aircraft" > > Sent: Tuesday, December 02, 2008 6:50 PM > > Subject: [FlyRotary] Re: Fuel system > > > > > >> Al, > >> That was my first thought to just drain the smaller tank into the > >> larger with a simple 1/4 turn on/off but I would have to run the > >> main at least 1/2 empty for this to work. I cannot fly ackro with > >> less than 6 gallons in the main tank. I cannot fly ackro at all with > >> fuel in the smaller tank so by the time the smaller tank emptied I > >> would have little fuel remaining in the larger tank. I even > >> considered a small transfer pump to fill the larger tank but I am > >> again creating complexity. > >> All input here is welcome :)) > >> Thanks, > >> --------------------------------- > >> > >> On Dec 2, 2008, at 7:39 PM, Al Gietzen wrote: > >> > >>> Randy; > >>> > >>> Is the positioning of the tanks such that you could gravity feed the > >>> small > >>> tank into the big tank? Then you could return to the larger tank - and > >>> eliminate the selector valve. > >>> > >>> Al G > >>> > >>> -----Original Message----- > >>> From: Rotary motors in aircraft > >>> [mailto:flyrotary@lancaironline.net] On > >>> Behalf Of randy echtinaw > >>> Sent: Tuesday, December 02, 2008 3:59 PM > >>> To: Rotary motors in aircraft > >>> Subject: [FlyRotary] Fuel system > >>> > >>> Gentlemen, > >>> Because a large majority of homebuilt problems are fuel related I > >>> am trying to make my system as simple as possible. This is a biplane > >>> with a 20 gal. and a 10 gal. tank in front of the inst. panel, RX-8 > >>> engine. > >>> The only "known" problem I have at the moment is my fuel return. I > >>> would like it to return to the main tank only. This would mean burning > >>> off 2-3 gallons from the main tank before switching to the 2nd tank. > >>> But, this might mean I am setting myself up for a future "pilot error" > >>> in fuel management. If I return to both tanks I would need another > >>> selector and cockpit control which is making the system more > >>> complicated and, again, potential "pilot error." So, suggestions . . . > >>> Thank you very much, > >>> Randy > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html --NextPart_Webmail_9m3u9jl4l_15937_1228314563_0 Content-Type: text/html Content-Transfer-Encoding: 8bit
I know of a Co. in FL. that makes an all chemical tolerant duplex valve (brass w/nylon cups) for aprox. $180 shipped to your home, he has been using the DV for aprox. 7 years now, mine has been wet with auto fuel/alc./2 cyc. mix, in an RV6A Rotary for aprox. 2 years now being changed from tank-to-tank monthly. I will find his info. & post tomorrow?   David R. Cook  RV6A Rotary   freeeeezing in MI.
 
-------------- Original message --------------
From: Charlie England <ceengland@bellsouth.net>

> There's that, and the fact that in today's unbelievably tight credit
> market, you might not be able to get a loan for one. ;-)
>
> Charlie
>
> Bill Schertz wrote:
> > Consider using an ANDAIR duplex valve. It takes fuel from one tank and
> > returns it to the same tank. Turn it and it takes and returns to the
> > other tank. Simple in operation, but requires more plumbing.
> > Bill Schertz
> > KIS Cruiser #4045
> > N343BS
> > ----- Original Message ----- From: "randy echtinaw"
> >
> > To: "Rotary motors in aircraft"
> > Sent: Tuesday, December 02, 2008 6:50 PM
> > Subject: [FlyRotary] R e: Fuel system
> >
> >
> >> Al,
> >> That was my first thought to just drain the smaller tank into the
> >> larger with a simple 1/4 turn on/off but I would have to run the
> >> main at least 1/2 empty for this to work. I cannot fly ackro with
> >> less than 6 gallons in the main tank. I cannot fly ackro at all with
> >> fuel in the smaller tank so by the time the smaller tank emptied I
> >> would have little fuel remaining in the larger tank. I even
> >> considered a small transfer pump to fill the larger tank but I am
> >> again creating complexity.
> >> All input here is welcome :))
> >> Thanks,
> >> ---------------------------------
> >>
> >> On Dec 2, 2008, at 7:39 PM, Al Gietzen wrote:
> >>
> >>> Randy;
> >>>
> >>> Is the positioning of the tanks such that you could gravity feed the
> >>> small
> >>> tank into the big tank? Then you could return to the larger tank - and
> >>> eliminate the selector valve.
> >>>
> >>> Al G
> >>>
> >>> -----Original Message-----
> >>> From: Rotary motors in aircraft
> >>> [mailto:flyrotary@lancaironline.net] On
> >>> Behalf Of randy echtinaw
> >>> Sent: Tuesday, December 02, 2008 3:59 PM
> >>> To: Rotary motors in aircraft
> >>> Subject: [FlyRotary] Fuel system
> >>>
> >>> Gentlemen,
> >>> Because a large majority of homebuilt problems are fuel related I
> >>> am trying to make my system as simple as possible. This is a biplane
> >>> with a 20 gal. and a 10 gal. tank in front of t he inst. panel, RX-8
> >>> engine.
> >>> The only "known" problem I have at the moment is my fuel return. I
> >>> would like it to return to the main tank only. This would mean burning
> >>> off 2-3 gallons from the main tank before switching to the 2nd tank.
> >>> But, this might mean I am setting myself up for a future "pilot error"
> >>> in fuel management. If I return to both tanks I would need another
> >>> selector and cockpit control which is making the system more
> >>> complicated and, again, potential "pilot error." So, suggestions . . .
> >>> Thank you very much,
> >>> Randy
>
>
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html
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