X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml Date: Thu, 22 Feb 2007 12:34:25 -0500 Message-ID: X-Original-Return-Path: Received: from smtp4.na.baesystems.com ([63.164.202.13] verified) by logan.com (CommuniGate Pro SMTP 5.1.6) with ESMTP id 1855761 for lml@lancaironline.net; Thu, 22 Feb 2007 12:07:50 -0500 Received-SPF: none receiver=logan.com; client-ip=63.164.202.13; envelope-from=Christopher.Zavatson@baesystems.com Received: from BLUMS0022.bluelnk.net (blums0022.na.baesystems.com [10.40.96.145]) by smtp4.na.baesystems.com (8.13.6/8.13.6) with ESMTP id l1MH6fHK014113 for ; Thu, 22 Feb 2007 12:06:43 -0500 (EST) Received: from GLDMS00006.goldlnk.rootlnka.net ([10.44.64.12]) by smtp1.na.baesystems.com (8.13.6/8.13.6) with ESMTP id l1MH6Us5004594 for ; Thu, 22 Feb 2007 12:06:41 -0500 (EST) Received: from gldms10602.goldlnk.rootlnka.net ([10.64.39.19]) by GLDMS00006.goldlnk.rootlnka.net with Microsoft SMTPSVC(6.0.3790.1830); Thu, 22 Feb 2007 12:05:14 -0500 Received: from GLDMS10607.goldlnk.rootlnka.net ([10.64.39.20]) by gldms10602.goldlnk.rootlnka.net with Microsoft SMTPSVC(6.0.3790.1830); Thu, 22 Feb 2007 09:05:13 -0800 x-mimeole: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C756A3.9D7E6CDE" Subject: RE: [LML] Re: Outboard elevator hinge bleeding X-Original-Date: Thu, 22 Feb 2007 09:05:12 -0800 X-Original-Message-ID: In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: Outboard elevator hinge bleeding Thread-Index: AcdVoZaWISbSt9MwSIaoZJeDk11AqwAkFsxA References: From: "Zavatson, Christopher J \(US SSA\)" X-Original-To: "Lancair Mailing List" X-OriginalArrivalTime: 22 Feb 2007 17:05:13.0653 (UTC) FILETIME=[9E298E50:01C756A3] This is a multi-part message in MIME format. ------_=_NextPart_001_01C756A3.9D7E6CDE Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 John,=20 Your replies appeared to be embedded directly in my original text. I found out from Marv that your comments were originally in blue, but that everything switches to black when it posts. =20 I extracted what I found below in << >>. =20 <> =20 thanks. I'll look forward to it.=20 =20 =20 <> <> =20 The movement I saw in that piece of Carbinge I examined is completely consistent with the diameters you report. A 0.085" diameter pin inside a 3/32" sleeve leaves a gap of greater than 0.008". This is right in the middle of the tolerance range of new MS hinges. That diametrical difference is about 10%. At 10% the MS hinge got hammered to death. I was looking for something closer to 1 or 2%. This drove me to the reaming approach and is why the reamed hinge shows so little movement in the video clip. =20 I couldn't find any embedded response to the following two questions: BTW, what type Nylon are you using? =20 What load was applied during the cycle test? The load used for the cycle test would be most informative. Conversely, have you done a cycle testing at the 3000 lb/ft load rating? =20 =20 Regards, =20 Chris Zavatson N91CZ 360std www.N91CZ.com ------_=_NextPart_001_01C756A3.9D7E6CDE Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

John,

Your replies appeared to be embedded directly in my = original=20 text. I found out from = Marv that=20 your comments were originally in blue, but that everything switches to = black=20 when it posts. =20

I extracted what I found = below=20 in << >>.

=20

<<I=20 will send you one soon.>>

thanks. I'll look forward to = it.=20

=20

<<Our=20 early prototypes were quite sloppy because they were layed up by hand on = a bench=20 and the notches were cut on a jigged tablesaw. Now the tolerances are very = close and=20 there is little if any play in the hinges. I don't know how you could = have found=20 a sloppy piece of Carbinge in a Legacy = project as we=20 have been past the prototype materials for quite a few=20 years.>>

<<ID of the tubing is = nominally=20 3/32" or .0925". The pins = are .085"=20 OD. There is some = variance in the=20 tubing ID, but this seems to be the best match to date. For cowling attachments some = builders=20 need to go to a smaller diameter pin that we provide.>>

The movement I saw in that piece of Carbinge I examined is completely consistent with = the=20 diameters you report. = A 0.085” diameter pin inside a 3/32” = sleeve leaves a gap=20 of greater than 0.008". = This is=20 right in the middle of the tolerance range of new MS hinges. That diametrical difference is = about=20 10%. At 10% the MS hinge = got=20 hammered to death. I was = looking=20 for something closer to 1 or 2%. = This drove me to the reaming approach and is why the reamed hinge = shows=20 so little movement in the video=20 clip.

=20

I couldn’t find any embedded response to the = following two=20 questions:

BTW, what type = Nylon are you using? =20

What load was = applied during=20 the cycle test?

The load used = for the=20 cycle test would be most = informative.

Conversely, have you done a cycle testing at the 3000 lb/ft load = rating?

=20

=20

Regards,

Chris = Zavatson

N91CZ

360std

www.N91CZ.com

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