Return-Path: Received: from spdmbaaa.compuserve.com ([149.174.206.153]) by truman.olsusa.com (Post.Office MTA v3.5.1 release 219 ID# 0-64832U3500L350S0V35) with ESMTP id com for ; Tue, 7 Mar 2000 23:50:28 -0500 Received: (from mailgate@localhost) by spdmbaaa.compuserve.com (8.9.3/8.9.3/SUN-1.9) id XAA09750 for lancair.list@olsusa.com; Tue, 7 Mar 2000 23:56:04 -0500 (EST) Date: Tue, 7 Mar 2000 23:55:39 -0500 From: Donald Gordon Subject: Drilling 2" dia. holes in S.S. firewall Sender: Donald Gordon To: Lancair Mail List Message-ID: <200003072355_MC2-9C2A-3E8A@compuserve.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline X-Mailing-List: lancair.list@olsusa.com <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> I need to drill the 2" diameter holes in the Stainless Steel firewall around the engine mount attaches. Does anyone have technique that works well ( note the holes must be drilled with the S.S. attached to the firewal)l. I saw some carbide tipped hole saws at Home Depot last weekend ( approx. $26 ). Would these hold up against the Stainless for 6 holes? Don Gordon Orlando, FL LNC2-N320DS >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> LML website: http://www.olsusa.com/Users/Mkaye/maillist.html Builders' Bookstore: http://www.buildersbooks.com/lancair Please send your photos and drawings to marvkaye@olsusa.com. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>