X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 22 Jan 2010 10:35:14 -0500 Message-ID: X-Original-Return-Path: Received: from web111401.mail.gq1.yahoo.com ([67.195.15.132] verified) by logan.com (CommuniGate Pro SMTP 5.3.1) with SMTP id 4091302 for lml@lancaironline.net; Thu, 21 Jan 2010 20:46:28 -0500 Received-SPF: none receiver=logan.com; client-ip=67.195.15.132; envelope-from=randylsnarr@yahoo.com Received: (qmail 22810 invoked by uid 60001); 22 Jan 2010 01:45:53 -0000 DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=TWOjrwrA22nXU80GUz1MZ9josNKydmDPKV/9DkAsaZEDSaJ7P9SlYBENUDA73+idTmIZa7WngxvE7EWB4jdHUbIefewfsKHlk66xDEYfEgIJmSRqicwHCenolRtzoDUkcy+oXSfPLYMLZvqAf6ba85ycr5cc5Hbq2y9wCAl1wVg=; X-Original-Message-ID: <672063.22798.qm@web111401.mail.gq1.yahoo.com> X-YMail-OSG: 0LkQmN8VM1lFDBqG8n8S9PVTQ2cVciZgDDLRLrUAv6OYdhrr4wZM0oGB6J8LZBMMAzf1VnE8hEMG9i2Wi2YKRF9sTAmmDmvcBqeFh7i6kudY64UpYjiiR3.saJdACH_YHFEOjgQmqV1Zu0FsXD_D4BC.SuTfkWFvW2f1oIfqbyHidj_cafXjFlyC9sbKx70th6I.4wkyKDmnaUFgMc_78kEHtX756sZCfYqHxHJbfA8QfytBTYBkt_KLXBbRzFCW3N0sQP8u3N8XDFpMofLvaNHPld7ONe8ytmVNX6XVZGHuVOFRDMRAIVTxQ63jkq0RTu5vB9gg0lIMgjYEgaMBMebfSTG7oDHsd0ab_yIIIi14XUpoOFwtMlnGELpwS8d.Gg-- Received: from [76.8.220.18] by web111401.mail.gq1.yahoo.com via HTTP; Thu, 21 Jan 2010 17:45:53 PST X-Mailer: YahooMailClassic/9.1.10 YahooMailWebService/0.8.100.260964 X-Original-Date: Thu, 21 Jan 2010 17:45:53 -0800 (PST) From: randy snarr Subject: Re: [LML] Automatic header tank feeder X-Original-To: Lancair Mailing List In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-2103486734-1264124753=:22798" --0-2103486734-1264124753=:22798 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Tom, The unit i believe you are referring to is the ppa avionics fuel transfer s= mart switch. They were designed to work with a specific facet fuel pump. Th= e face pump design was changed which made the smart fuel controller obsolet= e.=20 I use the inexpensive float switched that spruce sells with the aforementio= ned smart switch. I have seen some use the float switches by themselves wit= h a manual circuit setting and an auto fill circuit setting.=20 I believe someone at one time posted a circuit drawing for that. One other = thing you may want to consider, I too auto filled the header from 8 to 12 g= allons. I sometimes pumped fuel overboard through the vent as the upper swi= tch was too close to the top of the tank and would sometimes not shut off t= he pump if I was in bumps. You also get too much trim change with 3-4 gallo= n swings in fuel on the nose. I now use 8.5 and 10 gallons as my 2 limiters= and it works much better.=20 Best of luck. Randy Snarr N694RS 235/320 --- On Thu, 1/21/10, Tom Anderson wrote: From: Tom Anderson Subject: [LML] Automatic header tank feeder To: lml@lancaironline.net Date: Thursday, January 21, 2010, 2:53 PM =0A=0A=0A =0A =0A=0A=0A=0A=0A=0A=0AMy 360 is getting ready for some repairs= that includes fixing=0Adefective fuel gauges and recalibrating my totalize= r. While I=E2=80=99m at it, I=E2=80=99d=0Alike to add a switching device th= at would read the header tank level and automatically=0Aactivate the fuel t= ransfer pumps when the header tank level drops below, say, 4=0Agallons and = then shuts it off at a header tank reading of about 9 gallons. I saw=0Aa 2 = =C2=BC=E2=80=9D display for such a unit on a friend=E2=80=99s Lancair, but = he couldn=E2=80=99t=0Arecall where he got if from and doubted they were sti= ll available. Does anyone=0Aknow if they are or what other options might be= available? Thanks for any=0Athoughts on this. =0A=0A =C2=A0 =0A=0ATom, N3= 60DB =0A=0A=0A=0A =0A=0A=0A=0A=0A --0-2103486734-1264124753=:22798 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Tom,
The unit i believe you are referring = to is the ppa avionics fuel transfer smart switch. They were designed to wo= rk with a specific facet fuel pump. The face pump design was changed which = made the smart fuel controller obsolete.
I use the inexpensive float sw= itched that spruce sells with the aforementioned smart switch. I have seen = some use the float switches by themselves with a manual circuit setting and= an auto fill circuit setting.
I believe someone at one time posted a c= ircuit drawing for that. One other thing you may want to consider, I too au= to filled the header from 8 to 12 gallons. I sometimes pumped fuel overboar= d through the vent as the upper switch was too close to the top of the tank= and would sometimes not shut off the pump if I was in bumps. You also get = too much trim change with 3-4 gallon swings in fuel on the nose. I now use = 8.5 and 10 gallons as my 2 limiters and it works much better.

Best of = luck.
Randy Snarr
N694RS
235/320

--- On Thu, 1/21/10, To= m Anderson <andassoc@pipeline.com> wrote:

From: Tom Anderson <andassoc@pipeline.com>
Subject= : [LML] Automatic header tank feeder
To: lml@lancaironline.net
Date: = Thursday, January 21, 2010, 2:53 PM

=0A=0A= =0A =0A =0A=0A=0A
=0A=0A

My 360 is getting ready for some repairs = that includes fixing=0Adefective fuel gauges and recalibrating my totalizer= . While I=E2=80=99m at it, I=E2=80=99d=0Alike to add a switching device tha= t would read the header tank level and automatically=0Aactivate the fuel tr= ansfer pumps when the header tank level drops below, say, 4=0Agallons and t= hen shuts it off at a header tank reading of about 9 gallons. I saw=0Aa 2 = =C2=BC=E2=80=9D display for such a unit on a friend=E2=80=99s Lancair, but = he couldn=E2=80=99t=0Arecall where he got if from and doubted they were sti= ll available. Does anyone=0Aknow if they are or what other options might be= available? Thanks for any=0Athoughts on this.

=0A=0A

 

=0A=0A

Tom, N360DB

=0A=0A
= =0A=0A =0A=0A

=0A=0A --0-2103486734-1264124753=:22798--