X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 17 Feb 2010 14:38:55 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-mealy.atl.sa.earthlink.net ([209.86.89.69] verified) by logan.com (CommuniGate Pro SMTP 5.3.2) with ESMTP id 4127572 for lml@lancaironline.net; Tue, 16 Feb 2010 21:31:57 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.69; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=rb6ezoUa/Yog4HnmFrB55xXwQQ3YzyPiIEM7zF73yDurunERXSG9diKHo7Z37RNQ; h=Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [216.57.118.190] (helo=ccaselt3) by elasmtp-mealy.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1NhZhC-0006Fl-0Z for lml@lancaironline.net; Tue, 16 Feb 2010 21:31:22 -0500 X-Original-Message-ID: From: "Colyn Case at earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: FW: [LML] Turbine IVP Landing Accident Video X-Original-Date: Tue, 16 Feb 2010 21:31:21 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_3243_01CAAF4F.6208C6E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da94001547c2edad31ec670bc0a2211e2de8a350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 216.57.118.190 This is a multi-part message in MIME format. ------=_NextPart_000_3243_01CAAF4F.6208C6E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Charlie, what is your procedure for in flight testing? =20 Seems like you would have to kill the hyd pump breaker and cycle the = flaps 3 times or something to create the correct test conditions.... ----- Original Message -----=20 From: Charlie Kohler=20 To: lml@lancaironline.net=20 Sent: Tuesday, February 16, 2010 8:41 PM Subject: [LML] Re: FW: [LML] Turbine IVP Landing Accident Video Laurie "I test the gas strut each 100 hours and it was replaced 120 hours = ago. It works fine on a retraction test but I guess it couldn't overcome the airloads." The difference between a retraction test on jacks -- and an inflight = test-- is the airload -as you say. That is why it should be tested in = flight - regularly. If it won't put the nose gear down in flight -- you = may have a misalignment of the trunions/links/ actuator etc etc. At any = rate -- it should be fixed. If it's the airload and the gear swings free = when disconnected and up on jacks -- put the gas spring and push it down = on a bath scale to test it.=20 Charlie K. See me on the web at=20 www.Lancair-IV.com ------=_NextPart_000_3243_01CAAF4F.6208C6E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Charlie,   what is your = procedure for in=20 flight testing?  
Seems like you would have to kill the = hyd pump=20 breaker and cycle the flaps 3 times or something to create the correct = test=20 conditions....
----- Original Message -----
From:=20 Charlie=20 Kohler
Sent: Tuesday, February 16, = 2010 8:41=20 PM
Subject: [LML] Re: FW: [LML] = Turbine IVP=20 Landing Accident Video

Laurie
 
"I test the gas strut each 100 hours and it was replaced 120 = hours ago.=20 It
 works fine on a retraction test but I guess it couldn't = overcome=20 the
 airloads."
The difference between a retraction test on jacks -- and an = inflight=20 test-- is the airload -as you say. That is why it should be tested in = flight -=20 regularly. If it won't put the nose gear down in flight --  = you may=20 have a misalignment of the trunions/links/ actuator etc etc. At any = rate -- it=20 should be fixed. If it's the airload and the gear swings free when=20 disconnected and up on jacks -- put the gas spring and push it down on = a bath=20 scale to test it.
 
Charlie K.
 
See me on the web at
 
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