X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 28 Jun 2007 19:22:27 -0400 Message-ID: X-Original-Return-Path: Received: from pan.gwi.net ([207.5.128.165] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTPS id 2145144 for lml@lancaironline.net; Thu, 28 Jun 2007 06:45:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.5.128.165; envelope-from=dhc1@gwi.net Received: from S0032744976 (d-216-195-154-37.gwi.net [216.195.154.37]) by pan.gwi.net (8.13.1/8.13.1) with SMTP id l5SAjEt6096972 for ; Thu, 28 Jun 2007 06:45:18 -0400 (EDT) (envelope-from dhc1@gwi.net) X-Original-Message-ID: <01e701c7b971$6985ae00$0500000a@S0032744976> From: "Bill Wade" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Throttle/ Prop / Mix Cable Placement X-Original-Date: Thu, 28 Jun 2007 06:45:13 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01E4_01C7B94F.E18D5780" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 This is a multi-part message in MIME format. ------=_NextPart_000_01E4_01C7B94F.E18D5780 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable RC hobby shops sell flexible plastic pushrods for model control = systems. Multiple lengths can be joined together using the threaded rods = included in the package, or just tape the inner and outer portions. I've = used them to determine control cable routing and to find the exact = lengths needed. The outer sections can also be used as a temporary = conduit to snake wire into difficult areas. One thing I've found is that cables vary according to barrel length. I = planned for Aircraft Spruce cables on a panel renovation but ended up = using some nice Beech cables with barrels that were an inch longer. The = result was a sharper bend than I would've liked that increased friction = in the cable. If you've decided on your avionics and panel layout, blocks of = styrofoam hot glued to the back of the panel can be used to simulate the = components and the space required for their connectors. When the time = comes I may make a plexiglass mockup that would fit in place so I can = easily see just what is going on back there. -Bill Wade ----- Original Message -----=20 From: Paul Bricker=20 To: lml@lancaironline.net=20 Sent: Wednesday, June 27, 2007 11:50 PM Subject: [LML] Re: Throttle/ Prop / Mix Cable Placement Rick, =20 I located my control cable penetrations using the Lancair provided = firewall drawing. You should have one in your package. You don't want to = get too creative or the cable lengths could be wrong (assuming your = using the Lancair FWF cable set) or the bends might to too sharp. Good = Luck. =20 Paul Bricker N63PB 7.1 hrs =20 -------------------------------------------------------------------------= ----- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of = rtitsworth Sent: Tuesday, June 26, 2007 5:40 PM To: lml@lancaironline.net Subject: [LML] Throttle/ Prop / Mix Cable Placement =20 I'm (almost) ready to drill the firewall holes for the = Throttle/Prop/Mixture cables on my ES (basically the same F/W as a IV). =20 1. I've considered the placement of other items on the firewall and = the location of the major hoses near the firewall (fuel lines etc). 2. I'm also cognizant of keeping the cables away from the rudder pedal = movement area on the inside. 3. Obviously sharp bends (and/or twists) are to be avoided. =20 However, I'd like to be sure I'm not ignoring anything else important = (I don't know what I don't know). I've looked through lots of pictures = of other's planes which I have, and they all seem to be a little = different. =20 =20 Is there any reason not to get the cables as close as possible to the = correct placement/orientation before the firewall (and then relatively = straight back to the panel)? This would seem to simplify the spaghetti = behind the panel - perhaps at the expense of the spaghetti fwd of the = firewall. It seems one disadvantage of this approach is that there = isn't any service loop behind the panel without loosening the cables at = the firewall grommets. Perhaps this is not important if the = cables/controls are on their own sub-panel. =20 Any other thoughts/insights/lessons learned??? =20 Rick Titsworth =20 =20 ------=_NextPart_000_01E4_01C7B94F.E18D5780 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
  RC hobby shops sell flexible = plastic=20 pushrods for model control systems. Multiple lengths can be = joined=20 together using the threaded rods included in the package, or just tape = the inner=20 and outer portions. I've used them to determine control cable=20 routing and to find the exact lengths needed. The outer sections = can also=20 be used as a temporary conduit to snake wire into difficult=20 areas.
  One thing I've found is that = cables vary=20 according to barrel length. I planned for Aircraft Spruce cables on = a panel=20 renovation but ended up using some nice Beech cables with barrels = that were=20 an inch longer. The result was a sharper bend than I would've liked that = increased friction in the cable.
  If you've decided on your = avionics and panel=20 layout, blocks of styrofoam hot glued to the back of the panel can = be used=20 to simulate the components and the space required for their = connectors.=20 When the time comes I may make a plexiglass mockup that would fit = in place=20 so I can easily see just what is going on back there. -Bill = Wade
----- Original Message -----
From:=20 Paul=20 Bricker
Sent: Wednesday, June 27, 2007 = 11:50=20 PM
Subject: [LML] Re: Throttle/ = Prop / Mix=20 Cable Placement

Rick,

 

I located = my control=20 cable penetrations using the Lancair provided firewall drawing. You = should=20 have one in your package. You don=92t want to get too creative or the = cable=20 lengths could be wrong (assuming your using the Lancair FWF cable set) = or the=20 bends might to too sharp.  Good = Luck.

 

Paul=20 Bricker

N63PB

7.1=20 hrs

 

From:=20 Lancair Mailing List=20 [mailto:lml@lancaironline.net] On = Behalf Of=20 rtitsworth
Sent:=20 Tuesday, June 26, 2007 5:40 PM
To: = lml@lancaironline.net
Subject: [LML] Throttle/ Prop / = Mix Cable=20 Placement

 

I=92m = (almost) ready to=20 drill the firewall holes for the Throttle/Prop/Mixture cables on my ES = (basically the same F/W as a IV).

 

1. I=92ve = considered=20 the placement of other items on the firewall and the location of the = major=20 hoses near the firewall (fuel lines etc).

2. I=92m = also cognizant=20 of keeping the cables away from the rudder pedal movement area on the=20 inside.

3. = Obviously sharp=20 bends (and/or twists) are to be avoided.

 

However, = I=92d like to=20 be sure I=92m not ignoring anything else important (I don=92t know = what I don=92t=20 know).  I=92ve looked through lots of pictures of other=92s = planes which I=20 have, and they all seem to be a little different. =20

 

Is there = any reason=20 not to get the cables as close as possible to the correct=20 placement/orientation before the firewall (and then relatively = straight back=20 to the panel)?  This would seem to simplify the spaghetti behind = the=20 panel =96 perhaps at the expense of the spaghetti fwd of the = firewall.  It=20 seems one disadvantage of this approach is that there isn=92t any = service loop=20 behind the panel without loosening the cables at the firewall = grommets. =20 Perhaps this is not important if the cables/controls are on their own=20 sub-panel.

 

Any other=20 thoughts/insights/lessons learned???

 

Rick=20 Titsworth

 

 

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