X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2160573 for flyrotary@lancaironline.net; Thu, 05 Jul 2007 20:52:14 -0400 Received-SPF: none receiver=logan.com; client-ip=205.152.59.72; envelope-from=rusty@radrotary.com Received: from ibm68aec.bellsouth.net ([65.6.194.9]) by imf24aec.mail.bellsouth.net with ESMTP id <20070706005138.NNYH4124.imf24aec.mail.bellsouth.net@ibm68aec.bellsouth.net> for ; Thu, 5 Jul 2007 20:51:38 -0400 Received: from rad ([65.6.194.9]) by ibm68aec.bellsouth.net with ESMTP id <20070706005137.BOGS3815.ibm68aec.bellsouth.net@rad> for ; Thu, 5 Jul 2007 20:51:37 -0400 From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Bolt size Date: Thu, 5 Jul 2007 19:50:39 -0500 Message-ID: <001201c7bf67$cef88a40$a301a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01C7BF3D.E6228240" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6822 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 thread-index: Ace/ZEDpxlAFrICgQ3KqHNx4g6T8iAAArEEg Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C7BF3D.E6228240 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit According to my Copper State Bolt & Nut handbook, M12 bolts come in two threads: coarse - 1.75 and fine - 1.5. I'd send you to their web site, but it appears they are redesigning it. Hi Dale, Maybe they're redesigning the page to include the 1.25 pitch :-) McMaster sells M12 in 1.25, 1.5, and 1.75 pitches. The real problem seems to be deciding what the correct size is. Wendell, Just to be sure, are you talking about a motor mount hole in the 2nd gen intermediate housing, or the 3rd gen rear housing? Rusty ------=_NextPart_000_0013_01C7BF3D.E6228240 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
   According to my Copper State Bolt & Nut handbook, = M12=20 bolts come
in two threads: coarse - 1.75 and fine - 1.5.  I'd = send you=20 to their web
site, but it appears they are redesigning it. 
 
Hi=20 Dale,
 
Maybe they're=20 redesigning the page to include the 1.25 pitch=20 :-)  
 
McMaster=20 sells M12 in 1.25, 1.5, and 1.75 pitches.  The real problem seems = to be=20 deciding what the correct size is.  
 
Wendell,  Just to be sure, are you talking about a = motor=20 mount hole in the 2nd gen intermediate housing, or the 3rd gen = rear=20 housing?  
 
Rusty  
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