X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-mb01.mx.aol.com ([64.12.207.164] verified) by logan.com (CommuniGate Pro SMTP 6.0.2) with ESMTP id 6120447 for lml@lancaironline.net; Thu, 14 Mar 2013 09:31:23 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.207.164; envelope-from=vtailjeff@aol.com Received: from mtaout-db04.r1000.mx.aol.com (mtaout-db04.r1000.mx.aol.com [172.29.51.196]) by imr-mb01.mx.aol.com (Outbound Mail Relay) with ESMTP id 8D3B11C0001FA for ; Thu, 14 Mar 2013 09:30:47 -0400 (EDT) Received: from [10.48.57.32] (mobile-166-147-081-165.mycingular.net [166.147.81.165]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mtaout-db04.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id D79E6E0000A2; Thu, 14 Mar 2013 09:30:43 -0400 (EDT) References: In-Reply-To: Mime-Version: 1.0 (1.0) Content-Type: multipart/alternative; boundary=Apple-Mail-9CB4C5CC-9618-4483-9ED5-B3BE012E0F7F Message-Id: Content-Transfer-Encoding: 7bit X-Mailer: iPad Mail (9B206) From: vtailjeff@aol.com Subject: Re: [LML] Re: Pressurization Date: Thu, 14 Mar 2013 06:30:48 -0700 To: Lancair Mailing List x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1363267847; bh=Ehwr28rMm9C7qhgQ0wSkZUyxAoCD+e3XUS+OWywcKyw=; h=From:To:Subject:Message-Id:Date:Mime-Version:Content-Type; b=JTz9q815BiPuPyG8pPeGsexYMWyidv9VcwE5oTT++TaC9CZAr+BV7GpNcJlZHLlKi bO4VbSxwns2DLP1bmUB92bx2FWYOncoW7spLajEOnompV0XjtXzTBbzduVEZuJFvka lTyk+HMBQhOu+Dl7Tn0bWv0qhX0kmPla+8PxBW6Y= X-AOL-SCOLL-SCORE: 1:2:360920640:93952408 X-AOL-SCOLL-URL_COUNT: 4 x-aol-sid: 3039ac1d33c45141d1036bef X-AOL-IP: 166.147.81.165 --Apple-Mail-9CB4C5CC-9618-4483-9ED5-B3BE012E0F7F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii The system should be set so that the aircraft is unpressurized on deck-- usu= ally through a gear down (ivp) or weight on wheels switch (Evo). This is to p= rotect the pressure vessel. Jeff Sent from my iPad On Mar 14, 2013, at 6:26 AM, Ronald STEVENS wrote: > Yes this I do not understand, my AC and pressurization is on after I start= the plane and stops when I stop the engine, and my cabin is cool and fine l= ike this. >=20 > Ronald Stevens > 786-338 1678 >=20 >=20 > On Mar 14, 2013, at 7:58 AM, David Weinsweig wrote:= >=20 >> I don't pressurize until I get up to 6-8,000 ft. This keeps my cabin a bi= t cooler and comfortable at low altitude and doesn't steal power when it's n= eeded most ie on takeoff and early climb out. Do others do it differently? >>=20 >> David Weinsweig >> N750DW Propjet >>=20 >> From: Todd Long >> Sender: >> Subject: Re: [LML] Re: vacuum hose >> Date: Wed, 13 Mar 2013 17:09:25 -0400 >> To: lml@lancaironline.net >>=20 >>=20 >>=20 >> On take off the other day I was up to 2 Psid by the time I went wheels up= . That was with the gold box 95% closed. Does anyone happen to have a dukes m= anual? >>=20 >> Typing and grammar errors courtesy of Siri and the iPhone. >>=20 >> On Mar 13, 2013, at 14:14, Colyn Case wrote: >>=20 >> > 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 do= ne the latter but I've heard the door seal pump works okay for this applicat= ion. >> >=20 >> > Using that main vac pump almost completely eliminates the cabin pressur= e increase 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= bumps 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 duke= s pressurization 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 th= inner wall. But given it probably needs to handle maybe 10 psi of vacuum, t= he big fat rubber hoses seem like overkill. >> >>=20 >> >>=20 >> >> -- >> >> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List= .html >> >=20 >> > -- >> > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.= html >> >=20 >> >=20 >> > -- >> > For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.= html >>=20 >> Sent from my iPad --Apple-Mail-9CB4C5CC-9618-4483-9ED5-B3BE012E0F7F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
The system should be set s= o that the aircraft is unpressurized on deck-- usually through a gear down (= ivp) or weight on wheels switch (Evo). This is to protect the pressure vesse= l.

Jeff

Sent from my iPad

On M= ar 14, 2013, at 6:26 AM, Ronald STEVENS <Ronald@sdc.com> wrote:

Yes this I do not understand, my AC and pressurization is on aft= er I start the plane and stops when I stop the engine, and my cabin is cool a= nd fine like this.

Ronald Stevens
786-338 1678


On Mar 14, 2013, at 7:58 AM, David Weinsweig <weinsweigd@gmail.com> wrote:

I don't pressurize until I= get up to 6-8,000 ft. This keeps my cabin a bit cooler and comfortable at l= ow altitude and doesn't steal power when it's needed most ie on takeoff and e= arly climb out. Do others do it differently?

David W= einsweig
N750DW Propjet

On take off the other day I was up to 2 Psid by the time I went wheels= up. That was with the gold box 95% closed. Does anyone happen to have a duk= es manual?

Typing and grammar errors courtesy of Siri and the iPhone.=

On Mar 13, 2013, at 14:14, Colyn Case <colyncase@earthlink.net> wrote:

> If you h= ave 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 latter but I've he= ard the door seal pump works okay for this application.
> 
>= ; Using that main vac pump almost completely eliminates the cabin pressure i= ncrease at takeoff.
> 
> On Mar 13, 2013, at 1:21 PM, Todd L= ong wrote:
> 
> How do most of you operate the pressurizati= on system to avoid the major bumps at takeoff? My vacuum line was capped.&nb= sp;
> 
> Typing and grammar errors courtesy of Siri and the= iPhone.
> 
> On Mar 13, 2013, at 10:56, Paul Miller <pjdmiller@gmail.com> wrote:
&= gt; 
>> Autozone, lots of smaller sizes for vacuum hose by the= foot.
>> On 2013-03-13, at 10:51 AM, Colyn Case <colyncase@earthlink.net> wrote:
>&= gt; 
>>> I'm looking for a minimum thickness vacuum hose ju= st 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 don't see an= ything on McMaster Carr that is thinner wall.  But given it probably ne= eds to handle maybe 10 psi of vacuum, the big fat rubber hoses seem like ove= rkill.
>> 
>> 
>> --
>> For ar= chives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
> =
> --
> For archives and unsub http://mail.lancaironline.net:81/lists/lml/L= ist.html
> 
> 
> --
> For archives and= unsub http= ://mail.lancaironline.net:81/lists/lml/List.html

Sent= from my iPad= --Apple-Mail-9CB4C5CC-9618-4483-9ED5-B3BE012E0F7F--
<m= arv@lancaironline.net>Wed, 13 Mar 2013 17:09:25 -0400
From:T= odd Long <toddlong1@gmail.com&= gt;
Sender:
Subject:Re: [LML] Re: vacuum= hose
Date:
To:lml@lancaironline.net
=3D"Message

3D"Undecoded