X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 10 Jul 2010 21:01:11 -0400 Message-ID: X-Original-Return-Path: Received: from vms173007pub.verizon.net ([206.46.173.7] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4386833 for lml@lancaironline.net; Fri, 09 Jul 2010 13:31:55 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.7; envelope-from=lancair403@verizon.net Received: from personalab15f4 ([unknown] [72.84.67.83]) by vms173007.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0L5A00MV8WNXPKA0@vms173007.mailsrvcs.net> for lml@lancaironline.net; Fri, 09 Jul 2010 12:31:10 -0500 (CDT) X-Original-Message-id: <1A79825F6FF943D1A248EF86CFB9D5A4@personalab15f4> From: "William Rumburg" X-Original-To: "Lancair Mailing List" Subject: [LML] Re: Close Tolerance Bolts X-Original-Date: Fri, 09 Jul 2010 13:31:09 -0400 MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_0059_01CB1F6A.FD9361C0" X-Priority: 3 X-MSMail-priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 This is a multi-part message in MIME format. ------=_NextPart_000_0059_01CB1F6A.FD9361C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Correction-=20 NAS 6205-42 bolts are only $12.25 each, but are not available in the = required drilled shank from Genuine Aircraft Hardware. It was, however, easy to drill them myself. With the bolt and castle nut = installed and using the castle nut a guide, I carefully drilled the = required hole using a 1/32 drill bit and it turned out perfectly. Bill Rumburg N403WR (Sonic bOOm) Scott- While close tolerance bolts are not really justified for most = applications, they are for the landing gear. It's nice to slip one in = place and feel the difference! There's almost no free-play in my = ailerons and elevator, but I intend to try them in the flap system.=20 The current spec is NAS 6203 thru 6220, where the last two digits = represent the bolt diameter in 1/16 th's. I purchased mine from Genuine = Aircraft Hardware about five years ago and don't believe I spent more = than $100. to replace the bolts listed below; however, I just checked = current prices and they're about double what I recall, so carefully = determine your required length before ordering (the NAS 6205-42 for the = lower gear leg's are currently $ 22.27 each). The larger diameter ones = are available individually, but smaller ones are only available in = packages of 5, 10 or 25.=20 Bill Rumburg N403WR (Sonic bOOm) ------=_NextPart_000_0059_01CB1F6A.FD9361C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Correction-
NAS 6205-42 bolts are = only $12.25=20 each, but are not available in the required drilled shank from = Genuine=20 Aircraft Hardware.
It was, however, easy = to drill=20 them myself. With the bolt and castle nut installed and using the = castle=20 nut a guide, I carefully drilled the required hole using a = 1/32 drill=20 bit and it turned out perfectly.
 
Bill Rumburg
N403WR (Sonic = bOOm)
 
 
Scott-
 
While close tolerance bolts = are not really justified for most applications, they are for = the=20 landing gear. It's nice to slip one in place and feel the = difference!=20 There's almost no = free-play in my=20 ailerons and elevator, but I intend to try them in the=20 flap system. 
The current spec is NAS = 6203 thru 6220,=20 where the last two digits represent the bolt diameter in 1/16 th's. I = purchased=20 mine  from Genuine Aircraft Hardware about five years ago and don't = believe=20 I spent more than $100. to replace the bolts listed below; however, = I just=20 checked current prices and they're about double what I recall, = so=20 carefully determine your required length before ordering (the NAS = 6205-42 for=20 the lower gear leg's are currently $ 22.27 each). The larger diameter ones are=20 available individually, but smaller ones are only available in = packages of 5, 10 or 25. 
 
Bill Rumburg
N403WR (Sonic=20 bOOm)
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