X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 13 Jan 2013 02:28:10 -0500 Message-ID: X-Original-Return-Path: Received: from mail-wg0-f50.google.com ([74.125.82.50] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTPS id 6009464 for lml@lancaironline.net; Sat, 12 Jan 2013 22:35:54 -0500 Received-SPF: pass receiver=logan.com; client-ip=74.125.82.50; envelope-from=billhogarty@gmail.com Received: by mail-wg0-f50.google.com with SMTP id es5so1491240wgb.5 for ; Sat, 12 Jan 2013 19:35:19 -0800 (PST) MIME-Version: 1.0 Received: by 10.194.9.197 with SMTP id c5mr128776502wjb.20.1358048119353; Sat, 12 Jan 2013 19:35:19 -0800 (PST) Received: by 10.194.36.138 with HTTP; Sat, 12 Jan 2013 19:35:19 -0800 (PST) In-Reply-To: References: X-Original-Date: Sat, 12 Jan 2013 19:35:19 -0800 X-Original-Message-ID: Subject: Re: [LML] Re: LML roots From: "William A. Hogarty" X-Original-To: Lancair Mailing List Content-Type: multipart/alternative; boundary=047d7b5d4498bdf33804d3233747 --047d7b5d4498bdf33804d3233747 Content-Type: text/plain; charset=ISO-8859-1 Bill: For a good rule of thumb, think 2-3 minutes time of useful consciousness at FL 230 In my IV-P, I use a small double bailout bottle system (from an ejection seat) located on the fwd side of the wing carrylthru. where activation is available to either pilot. Each pilot has a mask available in a little side pocket. Turn the little knob and each pilot has 10 minutes of O/2.. Cant get much simpler than that. When I first flew my plane before it was pressurized, I used a quick-don O-2 mask (with mic) surplus from a 747 at a flowrate of 3 lt/min. Worked fine at 20K Hope this helps a little Bill H. BTW, I lost pressurization at 17K after electrical failure on the way to the LOBO meeting In Sedona last year. Didnt even bother to turn on the O/2. Think it might have had something to do with my increased breathing rate.. On Sat, Jan 12, 2013 at 10:17 AM, Bill Wade wrote: > I agree. I've never used an oxygen system before but would like to install > an emergency system in the IV-P I'm building. For starters, if there was a > rapid decompression at altitude how quickly can a system be activated? Mask > or cannula- should they be worn around your neck and plugged in just in > case? Flow adjustments- I don't know enough yet to even ask intelligent > questions. Thanks- Bill Wade > > -----Original Message----- From: Greenbacks, UnLtd. > Sent: Saturday, January 12, 2013 7:40 AM > To: lml@lancaironline.net > Subject: [LML] Re: LML roots > > > I for one, would like to see LML return to its roots because in my > experience, it's been adrift for a while. In other words, discussion of > building techniques and problem solving and best building practices > generally as they apply to our Lancairs. As well as interspersed with > discussion of > how to safely and responsibly fly what a lot of us put together in our > basements over many years. How about the topic of approach to stalls and > spin avoidance. Gee, we haven't heard much on this subject in quite a > while. :-) How about portable oxygen solutions, is there a clear winner out > there? I plan to test the upper end of the altitude envelope in my 360 this > year so I need to know. > And as for pre purchase advise for a 235/320/360, do your homework and go > get a ride or 2 or 3 or more. Is there anyone left out there who does not > know that the 235 gross weight was increased to 1500 lbs over 14yrs ago? > Oh, and here's a suggestion that may send a few people running for the > hills, opinions may be interesting but really ought to be backed up by fact. > > > Cheers, > > Angier Ames > N4ZQ > -- > For archives and unsub http://mail.lancaironline.net:** > 81/lists/lml/List.html > > > -- > For archives and unsub http://mail.lancaironline.net:** > 81/lists/lml/List.html > --047d7b5d4498bdf33804d3233747 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Bill:

For a good rule of thumb, think 2-3 minutes time o= f useful consciousness at FL 230

In my IV-P, I use= a small double bailout bottle system (from an ejection seat) =A0located on= the fwd side of the wing carrylthru. =A0where activation is available to e= ither pilot.
Each pilot has a mask available in a little side pocket. =A0Turn the l= ittle knob and each pilot has 10 minutes of O/2.. Cant get much simpler tha= n that.

When I first flew my plane before it was p= ressurized, I used a quick-don O-2 mask (with mic) surplus from a 747 at a = flowrate of 3 lt/min. =A0Worked fine at 20K

Hope this helps a little

Bill = H.

BTW, I lost pressurization at 17K after electri= cal failure on the way to the LOBO meeting In Sedona last year. =A0Didnt ev= en bother to turn on the O/2. =A0Think
it might have had something to do with my increased breathing rate..





On Sat, Jan 12, 2013 at 10:17 AM, Bill Wade <sup= er_chipmunk@roadrunner.com> wrote:
I agree. I've never used an oxygen syste= m before but would like to install an emergency system in the IV-P I'm = building. For starters, if there was a rapid decompression at altitude how = quickly can a system be activated? Mask or cannula- should they be worn aro= und your neck and plugged in just in case? Flow adjustments- I don't kn= ow enough yet to even ask intelligent questions. Thanks- Bill Wade

-----Original Message----- From: Greenbacks, UnLtd.
Sent: Saturday, January 12, 2013 7:40 AM
To: lml@lancairo= nline.net
Subject: [LML] Re: LML roots


I for one, would like to see LML return to its roots because in my experien= ce, it's been adrift for a while. In other words, discussion of buildin= g techniques and problem solving and best building practices generally as t= hey apply to our Lancairs. As well as interspersed with discussion of
how to safely and responsibly fly what a lot of us put together in our base= ments over many years. How about the topic of approach to stalls and spin a= voidance. Gee, we haven't heard much on this subject in quite a while. = :-) How about portable oxygen solutions, is there a clear winner out there?= I plan to test the upper end of the altitude envelope in my 360 this year = so I need to know.
And as for pre purchase advise for a 235/320/360, do your homework and go g= et a ride or 2 or 3 or more. Is there anyone left out there who does not kn= ow that the 235 gross weight was increased to 1500 lbs over 14yrs ago?
Oh, and here's a suggestion that may send a few people running for the = hills, opinions may be interesting but really ought to be backed up by fact= .


Cheers,

Angier Ames
N4ZQ
--
For archives and unsub http://mail.lancaironline.net:81/list= s/lml/List.html


--
For archives and unsub http://mail.lancaironline.net:81/list= s/lml/List.html

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