X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rwcrmhc13.comcast.net ([216.148.227.153] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTP id 2378481 for flyrotary@lancaironline.net; Tue, 09 Oct 2007 23:19:02 -0400 Received-SPF: none receiver=logan.com; client-ip=216.148.227.153; envelope-from=rlwhite@comcast.net Received: from quail (c-68-35-160-229.hsd1.nm.comcast.net[68.35.160.229]) by comcast.net (rwcrmhc13) with SMTP id <20071010031825m1300odms2e>; Wed, 10 Oct 2007 03:18:26 +0000 Date: Tue, 9 Oct 2007 21:19:30 -0600 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Magnetic tranfer Message-Id: <20071009211930.f47b2115.rlwhite@comcast.net> In-Reply-To: References: X-Mailer: Sylpheed 2.4.7 (GTK+ 2.10.11; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Ernest, The magnetic flux will stay in the loop formed by those thin metal plates. You shouldn't see much effect from the bolts going through the holes in the ends. I believe these coils are bolted to a steel bracket with steel bolts in the auto application. Bob W. On Tue, 09 Oct 2007 22:56:18 -0400 Ernest Christley wrote: > I spent the evening laying out my firewall forward. I was going to wait > till everything aft of the firewall was complete, but I've got to get > the general layout settled so that I know where the hoses and wires are > going to pass through. > > Anyway, I'm using the LS1 coils, and plan to mount them on the engine > below the spark plug as several other have demonstrated...strung > together with 1/4" all-thread and spaced with some 3/8" aluminum tube. > But then I started to looking at what I'll be running that all-thread > through, a bundle of thin metal plates that is supposed to keep the > electrical energy concentrated within the coil. What will be the effect > of running a steel rod through them? Will it connect them all > electrically? Am I being goofy? Inquiring minds want to know. > > I got my degree, but I never really ever got a handle on how those > magnetic fields work. I can't even remember the proper names for all > the parts. > -- N93BD - Rotary Powered BD-4 - http://www.bob-white.com 3.8 Hours Total Time and holding Cables for your rotary installation - http://www.roblinphoto.com/shop/