X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 14 Aug 2010 08:17:12 -0400 Message-ID: X-Original-Return-Path: Received: from imr-da03.mx.aol.com ([205.188.105.145] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4430013 for lml@lancaironline.net; Fri, 13 Aug 2010 16:37:46 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.105.145; envelope-from=Sky2high@aol.com Received: from imo-ma01.mx.aol.com (imo-ma01.mx.aol.com [64.12.78.136]) by imr-da03.mx.aol.com (8.14.1/8.14.1) with ESMTP id o7DKat5O028887 for ; Fri, 13 Aug 2010 16:36:55 -0400 Received: from Sky2high@aol.com by imo-ma01.mx.aol.com (mail_out_v42.9.) id q.cdd.7109aab7 (43996) for ; Fri, 13 Aug 2010 16:36:51 -0400 (EDT) Received: from magic-d21.mail.aol.com (magic-d21.mail.aol.com [172.19.155.137]) by cia-dd06.mx.aol.com (v129.4) with ESMTP id MAILCIADD065-abdc4c65ace3144; Fri, 13 Aug 2010 16:36:51 -0400 From: Sky2high@aol.com X-Original-Message-ID: <4f1b4.43cd3b68.399706e3@aol.com> X-Original-Date: Fri, 13 Aug 2010 16:36:51 EDT Subject: Re: [LML] Jacking a Legacy X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4f1b4.43cd3b68.399706e3_boundary" X-Mailer: AOL 9.5 sub 155 X-AOL-IP: 24.15.17.119 X-Spam-Flag:NO X-AOL-SENDER: Sky2high@aol.com --part1_4f1b4.43cd3b68.399706e3_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Jay, Usually the Lancair recommended jack points have been reinforced with something like an embedded phenolic block so that nothing in the fuselage/wing can be crushed by weight on the jack. Furthermore, there should be a hole (not a thru hole) in the center of the jacking point to receive a pin on the jack so that the wing cannot slide off. Another alternative is to thread the hole and use a short bolt and a padded area washer to provide an external "bump" that can be positioned on the jack pad - again, so the plane cannot slip off the jack. Grayhawk In a message dated 8/13/2010 1:43:45 P.M. Central Daylight Time, jsabot@oxforditconsult.com writes: Hi all, Was wondering what kinds of tools, jigs, or fixtures some of you may have devised to safely locate and cushion the wing skin when jacking their painted and finished Lancair. It just seems that ensuring the jacks are accurately placed under the spar / rib involves eyeballing and some estimation every time. I was planning to make up some contoured wood blocks with foam, then thought I would poll the LML to see if anyone had some better idea that would allow one to quickly locate the proper point on the lower wing surface to jack from. Photos would be great too! Jay M. Sabot Legacy N26XY -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html --part1_4f1b4.43cd3b68.399706e3_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Jay,

Usually the Lancair recommended jack points have been reinforced with= =20 something like an embedded phenolic block so that nothing in the=20 fuselage/wing can be crushed by weight on the jack. Furthermore= ,=20 there should be a hole (not a thru hole) in the center of the jacking poin= t to=20 receive a pin on the jack so that the wing cannot slide off. Another= =20 alternative is to thread the hole and use a short bolt and a padded= area=20 washer to provide an external "bump" that can be positioned on the ja= ck pad=20 - again, so the plane cannot slip off the jack.

Grayhawk

In a message dated 8/13/2010 1:43:45 P.M. Central Daylight Time,=20 jsabot@oxforditconsult.com writes:

Hi all,

Was wondering what kinds of tools, jigs, or fixtures some of you ma= y have=20 devised to safely locate and cushion the wing skin when jacking their pa= inted=20 and finished Lancair. It just seems that ensuring the jacks are accurate= ly=20 placed under the spar / rib involves eyeballing and some estimation ever= y=20 time.

I was planning to make up some contoured wood blocks with foam, the= n=20 thought I would poll the LML to see if anyone had some better idea that= would=20 allow one to quickly locate the proper point on the lower wing surface= to jack=20 from.

Photos would be great too!

Jay M. Sabot

Legacy N26XY

-- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.htm= l

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