X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 02 Dec 2005 19:03:10 -0500 Message-ID: X-Original-Return-Path: Received: from imo-d21.mx.aol.com ([205.188.144.207] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 861306 for lml@lancaironline.net; Fri, 02 Dec 2005 18:53:01 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.188.144.207; envelope-from=Sky2high@aol.com Received: from Sky2high@aol.com by imo-d21.mx.aol.com (mail_out_v38_r6.3.) id q.1dd.4a8b2850 (4410) for ; Fri, 2 Dec 2005 18:52:11 -0500 (EST) From: Sky2high@aol.com X-Original-Message-ID: <1dd.4a8b2850.30c2382a@aol.com> X-Original-Date: Fri, 2 Dec 2005 18:52:10 EST Subject: Re: [LML] Dead landing gear X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1133567530" X-Mailer: 9.0 Security Edition for Windows sub 5300 X-Spam-Flag: NO -------------------------------1133567530 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 12/2/2005 5:17:41 P.M. Central Standard Time, n103md@yahoo.com writes: maybe I'm a bit confused, but isn't the purpose of the squat switch to prevent activation of the landing gear retraction while the airplane is on the ground? I would expect the gear to operate normally when on the jacks -- just as it would in the air. N103MD, Most Lancairs use an air speed activated "squat" switch - i.e. The gear cannot be retracted below about 70 KIAS. Thus, the gear up switch power has to pass thru normally open pressure switch (connected to pitot/static) contacts before it gets to the normally closed hydraulic pressure switch contacts and thence to the up motor power relay. Scott Krueger AKA Grayhawk Lancair N92EX IO320 SB 89/96 Aurora, IL (KARR) -------------------------------1133567530 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 12/2/2005 5:17:41 P.M. Central Standard Time,=20 n103md@yahoo.com writes:
<= FONT=20 style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size= =3D2>maybe=20 I'm a bit confused, but isn't the purpose of the

squat switch to=20 prevent activation of the landing gear

retraction while the airplan= e is=20 on the ground? I
would
expect the gear to operate normally when on=20= the=20 jacks
--
just as it would in the air.
N103MD,
 
Most Lancairs use an air speed activated "squat" switch - i.e. The= =20 gear cannot be retracted below about 70 KIAS.  Thus, the gear up=20 switch power has to pass thru normally open pressure switch (connected to=20 pitot/static) contacts before it gets to the normally closed=20 hydraulic pressure switch contacts and thence to the up motor powe= r=20 relay.=20
 
Scott Krueger=20 AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL=20 (KARR)



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