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From: "Joe Ewen" <jewen@comporium.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-1714545@logan.com>
Subject: Re: [FlyRotary] Re: fuel pumps
Date: Mon, 25 Dec 2006 22:34:08 -0500
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MessageRusty,
Will the Lucas Harness Smoke also work for semiconductors or is that a =
different part number?  I presume it is installed with a standard =
syringe.
Joe
  ----- Original Message -----=20
  From: Russell Duffy=20
  To: Rotary motors in aircraft=20
  Sent: Monday, December 25, 2006 5:39 PM
  Subject: [FlyRotary] Re: fuel pumps


   A single pump system=20
  is a non starter in aircraft.=20

  Lynn E. Hanover

  Hi Lynn,

  Funny you should mention this, because I've actually been =
contemplating a single pump system on the single rotor.  These pumps are =
quite reliable, and seem to give lower readings as they start to wear.  =
I could probably argue that all the extra plumbing and wiring might =
cause more problems than it avoids.   Also, no one seems to mind running =
a single regulator, but that could fail just as easily. =20

  One thing I keep thinking about is a conversation I keep having with a =
couple RV buddies.  One guys wants an auto conversion, but only if it's =
as reliable as his car.  The thought being that you get in your car and =
drive thousands of miles, and don't ever consider what whether the =
engine might break on the way there.  Using a modern car as the =
reliability standard, you have to accept that there is only one of =
everything (ECU, fuel pump, etc). =20

  BTW, just to let you know how abby-normal I think, I used to run both =
pumps all the time, just as I also run my boost pump (almost) all the =
time for the Lycoming.  My logic is that I'd rather find out about a =
pump failure when I'm safely on the ground, checking them individually =
during my run-up. =20

  I'm certainly not telling anyone to take out their backup pump, but =
I'm wondering if I might just leave mine out.=20

  Cheers,
  Rusty (attached pic for Lynn <g>)


-------------------------------------------------------------------------=
-----


  --
  Homepage:  http://www.flyrotary.com/
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Message</TITLE>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2900.3020" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY id=3Drole_body style=3D"FONT-SIZE: 10pt; COLOR: #000000; =
FONT-FAMILY: Arial"=20
bottomMargin=3D7 bgColor=3D#ffffff leftMargin=3D7 topMargin=3D7 =
rightMargin=3D7>
<DIV>Rusty,</DIV>
<DIV>Will the Lucas Harness Smoke also work for semiconductors or is =
that a=20
different part number?&nbsp; I presume it is installed with&nbsp;a =
standard=20
syringe.</DIV>
<DIV>Joe</DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A title=3Drusty@radrotary.com =
href=3D"mailto:rusty@radrotary.com">Russell=20
  Duffy</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dflyrotary@lancaironline.net=20
  href=3D"mailto:flyrotary@lancaironline.net">Rotary motors in =
aircraft</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, December 25, 2006 =
5:39=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [FlyRotary] Re: fuel =
pumps</DIV>
  <DIV><BR></DIV>
  <DIV><FONT id=3Drole_document color=3D#000000 size=3D2>&nbsp;A single =
pump system=20
  </DIV>
  <DIV>is a non starter in aircraft.&nbsp;</DIV>
  <DIV>&nbsp;</DIV>
  <DIV>Lynn E. Hanover</DIV>
  <DIV><FONT color=3D#ff0000 size=3D3></FONT>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000 =
size=3D3>Hi=20
  Lynn,</FONT></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000=20
  size=3D3></FONT></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000 =
size=3D3>Funny you=20
  should mention this, because I've actually been contemplating a single =
pump=20
  system on the single rotor.&nbsp; These pumps are quite reliable, and =
seem to=20
  give lower readings as they start to wear.&nbsp; I could probably =
argue=20
  that&nbsp;all the extra plumbing and wiring might cause more problems =
than it=20
  avoids.&nbsp;&nbsp; Also, no one seems to mind running a single =
regulator, but=20
  that could fail just as easily.&nbsp;&nbsp;</FONT></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000=20
  size=3D3></FONT></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000 =
size=3D3>One thing=20
  I&nbsp;keep thinking about is a conversation I keep having with a =
couple=20
  RV&nbsp;buddies.&nbsp; One guys wants an&nbsp;auto conversion, but =
only if=20
  it's as reliable as his car.&nbsp; The thought being that you get in =
your car=20
  and drive&nbsp;thousands of miles, and don't ever consider what =
whether the=20
  engine might break on the way there.&nbsp; Using a modern car as the=20
  reliability standard, you have to accept that there is only one of =
everything=20
  (ECU, fuel pump, etc).&nbsp;&nbsp;</FONT></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><FONT color=3D#ff0000 =
size=3D3>BTW, just to=20
  let you know how&nbsp;abby-normal I think, I used to run both pumps =
all the=20
  time, just as I also run my boost pump (almost) all the time&nbsp;for =
the=20
  Lycoming.&nbsp; My&nbsp;logic is that I'd rather find out about =
a&nbsp;pump=20
  failure when I'm safely on the ground, checking them individually=20
  during&nbsp;my run-up.&nbsp;&nbsp;</FONT></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><SPAN =
class=3D046122622-25122006><FONT=20
  color=3D#ff0000 size=3D3>I'm certainly not telling anyone to take out =
their backup=20
  pump, but I'm wondering if I might just leave mine=20
  out.&nbsp;</FONT></SPAN></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006><SPAN =
class=3D046122622-25122006><FONT=20
  color=3D#ff0000 size=3D3></FONT></SPAN></SPAN>&nbsp;</DIV>
  <DIV><SPAN class=3D046122622-25122006><SPAN =
class=3D046122622-25122006><FONT=20
  color=3D#ff0000 size=3D3>Cheers,</FONT></SPAN></SPAN></DIV>
  <DIV><SPAN class=3D046122622-25122006><SPAN =
class=3D046122622-25122006><FONT=20
  color=3D#ff0000 size=3D3>Rusty (attached pic for Lynn=20
  &lt;g&gt;)</FONT></SPAN></SPAN></DIV></FONT>
  <P>
  <HR>

  <P></P>--<BR>Homepage:&nbsp; http://www.flyrotary.com/<BR>Archive and=20
  UnSub:&nbsp;&nbsp;=20
http://mail.lancaironline.net/lists/flyrotary/<BR></BLOCKQUOTE></BODY></H=
TML>

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