X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 18 Jan 2010 08:43:12 -0500 Message-ID: X-Original-Return-Path: Received: from mta21.charter.net ([216.33.127.81] verified) by logan.com (CommuniGate Pro SMTP 5.3.1) with ESMTP id 4084920 for lml@lancaironline.net; Sat, 16 Jan 2010 10:17:25 -0500 Received-SPF: pass receiver=logan.com; client-ip=216.33.127.81; envelope-from=troneill@charter.net Received: from imp09 ([10.20.200.9]) by mta21.charter.net (InterMail vM.7.09.02.04 201-2219-117-106-20090629) with ESMTP id <20100116151648.OQEM21519.mta21.charter.net@imp09> for ; Sat, 16 Jan 2010 10:16:48 -0500 Received: from [192.168.1.100] ([75.132.241.174]) by imp09 with smtp.charter.net id WFGn1d0083mUFT705FGn8V; Sat, 16 Jan 2010 10:16:47 -0500 X-Authority-Analysis: v=1.0 c=1 a=8VIfikpGZpYA:10 a=Ia-xEzejAAAA:8 a=sMX1QYaGtflRLffv5JMA:9 a=jgzDfzhRvwzT4jqq9EkA:7 a=skbu6kbjxRU6wwjCuco4Gnu7fLoA:4 a=6e4CQMaF2vYA:10 a=W7JUL1ARPmHhn-C0E4QA:9 a=oBfnI_kr1kMLWhbfaEAA:7 a=xc30JQm3b3vANi27jJ2xFy79DqgA:4 From: Terrence O'Neill Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: multipart/alternative; boundary=Apple-Mail-17--267518218 Subject: Re: [LML] Airspeed sensing switch needed X-Original-Date: Sat, 16 Jan 2010 09:16:46 -0600 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <690029FE-7753-489E-A6F5-8F02A26CD8AB@charter.net> X-Mailer: Apple Mail (2.1077) --Apple-Mail-17--267518218 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Bill, Lurking because I share this interest. What are the pros and cons of a simple airspeed sensing switch that just = interrupts the gear-up switch circuit until a selected airspeed ... i.e. = about 90 knots? Terrence L235/320 N211AL On Jan 16, 2010, at 7:28 AM, Bill Kennedy wrote: > I'm going to build the gear not down warning system suggested by Randy = Stuart in an earlier email. I thought Aircraft Spruce had a airspeed = sensing switch, but I couldn't find it in their catalog. Can any of you = help me find a source for the pressure switch? >=20 > I've never had a close call with the gear in three plus thousand hours = of retractable time, but I've always been a little uneasy with no = warning system in my LNC2. I had hoped that I could talk Blue Mountain = Avionics into building a warning system into their EFIS, but that didn't = work out. Randy's system looks great to me and I'm eager to try it. I've = attached Randy's drawing just in case others might want to revisit the = idea. >=20 > Thanks -- Bill Kennedy > -- > For archives and unsub = http://mail.lancaironline.net:81/lists/lml/List.html --Apple-Mail-17--267518218 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Bill,
Lurking because I share this = interest.
What are the pros and cons of a simple airspeed = sensing switch that just interrupts the gear-up switch circuit until a = selected airspeed ... i.e. about 90 = knots?
Terrence
L235/320 = N211AL

On Jan 16, 2010, at 7:28 AM, Bill Kennedy = wrote:

I'm going to build the = gear not down warning system suggested by Randy Stuart in an earlier = email. I thought Aircraft Spruce had a airspeed sensing switch, but I = couldn't find it in their catalog. Can any of you help me find a source = for the pressure switch?

I've never had a close call with the = gear in three plus thousand hours of retractable time, but I've always = been a little uneasy with no warning system in my LNC2. I had hoped that = I could talk Blue Mountain Avionics into building a warning system into = their EFIS, but that didn't work out. Randy's system looks great to me = and I'm eager to try it. I've attached Randy's drawing just in case = others might want to revisit the idea.

Thanks -- Bill = Kennedy
<Gear Warning 1.JPG>--
For archives and = unsub http://mail.= lancaironline.net:81/lists/lml/List.html
=

= --Apple-Mail-17--267518218--