X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 14 Mar 2013 07:58:39 -0400 Message-ID: X-Original-Return-Path: Received: from mail-yh0-f53.google.com ([209.85.213.53] verified) by logan.com (CommuniGate Pro SMTP 6.0.2) with ESMTPS id 6119846 for lml@lancaironline.net; Wed, 13 Mar 2013 23:04:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.213.53; envelope-from=weinsweigd@gmail.com Received: by mail-yh0-f53.google.com with SMTP id q3so311830yhf.12 for ; Wed, 13 Mar 2013 20:03:57 -0700 (PDT) X-Received: by 10.236.171.201 with SMTP id r49mr855715yhl.148.1363230237610; Wed, 13 Mar 2013 20:03:57 -0700 (PDT) X-Original-Return-Path: Received: from [192.168.1.18] (dynamic-acs-24-112-177-176.zoominternet.net. [24.112.177.176]) by mx.google.com with ESMTPS id e8sm880329yhh.16.2013.03.13.20.03.56 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 13 Mar 2013 20:03:56 -0700 (PDT) Subject: Pressurization From: David Weinsweig Content-Type: multipart/alternative; boundary=Apple-Mail-9E51CE07-86A5-4565-93C2-29A78DD65BFE X-Mailer: iPad Mail (9B206) X-Original-Message-Id: X-Original-Date: Wed, 13 Mar 2013 23:04:00 -0400 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-9E51CE07-86A5-4565-93C2-29A78DD65BFE Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I don't pressurize until I get up to 6-8,000 ft. This keeps my cabin a bit c= ooler and comfortable at low altitude and doesn't steal power when it's need= ed most ie on takeoff and early climb out. Do others do it differently? David Weinsweig N750DW Propjet From: Todd Long Sender: Subject: Re: [LML] Re: vacuum hose Date: Wed, 13 Mar 2013 17:09:25 -0400 To: lml@lancaironline.net On take off the other day I was up to 2 Psid by the time I went wheels up. T= hat was with the gold box 95% closed. Does anyone happen to have a dukes man= ual? Typing and grammar errors courtesy of Siri and the iPhone. On Mar 13, 2013, at 14:14, Colyn Case wrote: > If you have a vacuum system, you can hook that up. > If you don't, you can buy a small pump and hook that up. I haven't done t= he latter but I've heard the door seal pump works okay for this application.= >=20 > Using that main vac pump almost completely eliminates the cabin pressure i= ncrease at takeoff. >=20 > On Mar 13, 2013, at 1:21 PM, Todd Long wrote: >=20 > How do most of you operate the pressurization system to avoid the major bu= mps at takeoff? My vacuum line was capped.=20 >=20 > Typing and grammar errors courtesy of Siri and the iPhone. >=20 > On Mar 13, 2013, at 10:56, Paul Miller wrote: >=20 >> Autozone, lots of smaller sizes for vacuum hose by the foot. >> On 2013-03-13, at 10:51 AM, Colyn Case wrote: >>=20 >>> I'm looking for a minimum thickness vacuum hose just to hold the dukes p= ressurization valve open on takeoff. Right now I have a 1/4" i.d. .64" o.d.= big fat rubber line. I don't see anything on McMaster Carr that is thinn= er wall. But given it probably needs to handle maybe 10 psi of vacuum, the b= ig fat rubber hoses seem like overkill. >>=20 >>=20 >> -- >> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.ht= ml >=20 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l >=20 >=20 > -- > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l Sent from my iPad= --Apple-Mail-9E51CE07-86A5-4565-93C2-29A78DD65BFE Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8

I don't pressur= ize until I get up to 6-8,000 ft. This keeps my cabin a bit cooler and comfo= rtable at low altitude and doesn't steal power when it's needed most ie on t= akeoff and early climb out. Do others do it differently?

David Weinsweig

N750DW Propjet

<= /tr>

From:	Todd Long <toddlong1@= gmail.com>
Sender:=	<= span class=3D"Apple-style-span" style=3D"-webkit-border-horizontal-spacing: 0= px; -webkit-border-vertical-spacing: 0px;"><marv@lancaironline.net>
Subject:	Re: [= LML] Re: vacuum hose
Date= :	= Wed, 13 Mar 2013 17:09:25 -0400=
To:	lml@lancairo= nline.net

3D"Message

3D"Undecoded

On take off the other day I was up to 2 Psid by the tim= e I went wheels up. That was with the gold box 95% closed. Does anyone happe= n to have a dukes manual? Typing and grammar errors courtesy of Siri a= nd the iPhone. On Mar 13, 2013, at 14:14, Colyn Case <colyncase@earthlink.net> wrote: > If you have a vacuum system, you can hook that up. > If you don'= t, you can buy a small pump and hook that up. I haven't done the latt= er but I've heard the door seal pump works okay for this application. >= ; > Using that main vac pump almost completely eliminates the ca= bin pressure increase at takeoff. > > On Mar 13, 2013, at 1= :21 PM, Todd Long wrote: > > How do most of you operate th= e pressurization system to avoid the major bumps at takeoff? My vacuum line w= as capped. > > Typing and grammar errors courtesy of= Siri and the iPhone. > > On Mar 13, 2013, at 10:56, Paul M= iller <pjdmiller@gmail.com>= wrote: > >> Autozone, lots of smaller sizes for vacuum= hose by the foot. >> On 2013-03-13, at 10:51 AM, Colyn Case <colyncase@earthlink.net> wro= te: >> >>> I'm looking for a minimum thickness va= cuum hose just to hold the dukes pressurization valve open on takeoff. = ;Right now I have a 1/4" i.d. .64" o.d. big fat rubber line. I d= on't see anything on McMaster Carr that is thinner wall. But given it p= robably needs to handle maybe 10 psi of vacuum, the big fat rubber hoses see= m like overkill. >> >> >> -- >&= gt; For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html = > > -- > For archives and unsub http://mail.lancaironline.net:81/l= ists/lml/List.html > > > -- > For ar= chives and unsub http://mail.lancaironline.net:81/lists/lml/List.html Sent from my iPad

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