X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp114.sbc.mail.mud.yahoo.com ([68.142.198.213] verified) by logan.com (CommuniGate Pro SMTP 5.0c2) with SMTP id 718443 for flyrotary@lancaironline.net; Sun, 11 Sep 2005 12:30:17 -0400 Received-SPF: none receiver=logan.com; client-ip=68.142.198.213; envelope-from=dcarter@datarecall.net Received: (qmail 36560 invoked from network); 11 Sep 2005 16:29:27 -0000 Received: from unknown (HELO davidsdell8200) (dcarter11@sbcglobal.net@67.41.160.246 with login) by smtp114.sbc.mail.mud.yahoo.com with SMTP; 11 Sep 2005 16:29:27 -0000 Message-ID: <032e01c5b6ed$f92f53e0$6401a8c0@davidsdell8200> Reply-To: "David Carter" From: "David Carter" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: mystery inflight fuel pressure drop Date: Sun, 11 Sep 2005 10:29:24 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_032B_01C5B6BB.AE11AA20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_032B_01C5B6BB.AE11AA20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Seems like having two fuel flow sensors and indications (FF being = burned, and FF being returned) is a really important "discovery" or = "insight" for discovering failing fuel pumps or accumulation of debris. = I'd never have thought of monitoring "return" FF until this pump failure = experience came up. David ----- Original Message -----=20 From: David Leonard=20 To: Rotary motors in aircraft=20 Sent: Sunday, September 11, 2005 9:24 AM Subject: [FlyRotary] Re: mystery inflight fuel pressure drop Perry,=20 Kelly is right. one of my walbo pumps just went bad but it was very = intermittent. It was a lot more obvious by watching the fuel flow. Ed lists all the other possible causes. --=20 Dave Leonard Turbo Rotary RV-6 N4VY http://members.aol.com/_ht_a/rotaryroster/index.html http://members.aol.com/_ht_a/vp4skydoc/index.html=20 =20 On 9/11/05, Kelly Troyer wrote:=20 Perry, Dave Leonard had similar issue recently.........Was pump going bad = !! -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 ------=_NextPart_000_032B_01C5B6BB.AE11AA20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Seems like having two fuel flow sensors = and=20 indications (FF being burned, and FF being returned) is a really = important=20 "discovery" or "insight" for discovering failing fuel pumps or = accumulation of=20 debris.  I'd never have thought of monitoring "return" FF until = this pump=20 failure experience came up.
 
David
 
----- Original Message -----=20
From: David = Leonard=20
Sent: Sunday, September 11, 2005 9:24 AM
Subject: [FlyRotary] Re: mystery inflight fuel pressure=20 drop

Perry,
Kelly is right.  one of my walbo pumps just went bad but it = was very=20 intermittent.  It was a lot more obvious by watching the fuel = flow.
 
Ed lists all the other possible causes.


--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://memb= ers.aol.com/_ht_a/rotaryroster/index.html
http://members= .aol.com/_ht_a/vp4skydoc/index.html=20
 
On 9/11/05, Kelly=20 Troyer <keltro@att.net>=20 wrote:=20
Perry,
    Dave Leonard had similar issue = recently.........Was=20 pump going bad !!
--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2=20



 
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