Return-Path: Received: from smtp3.gateway.net ([208.230.117.247]) by ns1.olsusa.com (Post.Office MTA v3.5.3 release 223 ID# 0-64832U3500L350S0V35) with ESMTP id com for ; Tue, 17 Oct 2000 01:20:21 -0400 Received: from oemcomputer (1Cust206.tnt2.coeur-dalene.id.da.uu.net [63.20.49.206]) by smtp3.gateway.net (8.9.3/8.9.3) with SMTP id BAA14589 for ; Tue, 17 Oct 2000 01:27:35 -0400 (EDT) Message-ID: <013901c037fb$01822800$ce31143f@oemcomputer> Reply-To: "dfs" Reply-To: lancair.list@olsusa.com From: "dfs" To: "Lancair List" Subject: Wing Bolts Date: Mon, 16 Oct 2000 22:27:06 -0700 X-Mailing-List: lancair.list@olsusa.com Mime-Version: 1.0 <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> Comment to Dick Perry: Granted that the wing bolts are not loaded in tension - but you certainly must bring them up to the correct torque upon installation. At the correct torque, incorrectly manufactured bolts (cut threads), even when loaded primarily in shear are more likely to develop cracks because their strength is well below normal. As i've said many times before, "You pays your money and you takes your chances". Just because these bolts are loaded in shear, doesn't mean they should be of lower strength than correctly manufactured units. At the very least, if you elect to use the bolts with cut threads, you'd better inspect them frequently (assuming you have a sound method to accomplish this, since finding incipient cracks at the thread roots is not easy). Dan Schaefer >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/Users/Mkaye/maillist.html LML Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>