X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 28 Jan 2007 10:01:13 -0500 Message-ID: X-Original-Return-Path: Received: from smtp102.sbc.mail.mud.yahoo.com ([68.142.198.201] verified) by logan.com (CommuniGate Pro SMTP 5.1.5) with SMTP id 1793978 for lml@lancaironline.net; Sat, 27 Jan 2007 13:54:00 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.198.201; envelope-from=elippse@sbcglobal.net Received: (qmail 7986 invoked from network); 27 Jan 2007 18:53:12 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE; b=0Z75Z1HGkKBRXcRmx/ltj6rQM7+hGNg2URJ9Jb3TvUifWB2+4Cy9cidqy6itX2PgPCFhIrSoqyPBGSjA0MI7OWinFpAaXLLbNRmzZiqOBamSKk6SfpGt7/meB6ZbSe9x0Otx3R3xMylypGpq1nrbYCekwbOJrmLnG2tqqjyUy1E= ; Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@75.15.123.41 with login) by smtp102.sbc.mail.mud.yahoo.com with SMTP; 27 Jan 2007 18:53:12 -0000 X-YMail-OSG: anb4BDMVM1nW5XNftPFruY4IGKfI4j3BWGBnN0FLJimvzEpH_hphev6hfoKoWma27CwYiEE_tw-- X-Original-Message-ID: <000901c74244$67c76a80$297b0f4b@Computerroom> From: "Paul Lipps" X-Original-To: "Marv Kaye" Subject: Gear-door electromagnets X-Original-Date: Sat, 27 Jan 2007 10:53:14 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C74201.58161070" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C74201.58161070 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable The nose gear door on my 235 is operated at the very front. The rear end = of it was hanging open slightly due to aero pressures. I tried a = permanent magnet and pole piece but that wasn't doing the job, Todd = Ealand, who was building his now-completed "Lionheart" and I discussed = the use of magnets since he was installing very large inner gear-doors = on his plane. He told me of a supplier of various sizes of = electromagnets which he obtained to hold his shut. I ordered two = different sizes, and the one I chose works like a charm. I tied it into = the gear electrics so that it is only operated when the gear retracts; = it draws less than 1 Amp. I can't remember off-hand how this was done or = who the supplier is, but I can find out. Just the electromagnet in the = wheel well wall (say that fast!) and a pole piece on the door with less = than a .005" gap when closed to suck it shut! ------=_NextPart_000_0006_01C74201.58161070 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
The nose gear door on my 235 is operated at the = very=20 front. The rear end of it was hanging open slightly due to aero = pressures. I=20 tried a permanent magnet and pole piece but that wasn't doing the job, = Todd=20 Ealand, who was building his now-completed "Lionheart" and I discussed = the use=20 of magnets since he was installing very large inner gear-doors on his = plane. He=20 told me of a supplier of various sizes of electromagnets  = which he=20 obtained to hold his shut. I ordered two different sizes, and the one I = chose=20 works like a charm. I tied it into the gear electrics so that it is only = operated when the gear retracts; it draws less than 1 Amp. I can't = remember=20 off-hand how this was done or who the supplier is, but I can find out. = Just the=20 electromagnet in the wheel well wall (say that fast!) and a pole piece = on the=20 door with less than a .005" gap when closed to suck it=20 shut!
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