X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 21 Nov 2013 19:59:28 -0500 Message-ID: X-Original-Return-Path: Received: from vms173009pub.verizon.net ([206.46.173.9] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6608326 for lml@lancaironline.net; Thu, 21 Nov 2013 09:10:24 -0500 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.9; envelope-from=n5zq@verizon.net Received: from BillHP ([unknown] [108.44.173.150]) by vms173009.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0MWM00L0TA0BEO10@vms173009.mailsrvcs.net> for lml@lancaironline.net; Thu, 21 Nov 2013 08:09:48 -0600 (CST) X-Original-Message-id: <92BB2B5455E9440D99D0C1538180CA96@BillHP> From: "Bill Harrelson" X-Original-To: "Lancair Mailing List" References: In-reply-to: Subject: Re: [LML] Propeller options for the Legacy? X-Original-Date: Thu, 21 Nov 2013 09:09:48 -0500 MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_0270_01CEE699.6DED3510" X-Priority: 3 X-MSMail-priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3538.513 X-MIMEOLE: Produced By Microsoft MimeOLE V15.4.3538.513 This is a multi-part message in MIME format. ------=_NextPart_000_0270_01CEE699.6DED3510 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Adam, Sorry to hear about your prop. Glad to hear that there were no injuries. = I have no particular expertise with propellers but here is some of what = I have found using MTs. We have MT props on both our 320 and our IV. About 12 years ago MT tried = a new blade seal design. On our 320 it slung grease. They replaced that = seal with the old style (no charge) and it=E2=80=99s been fine for the = last 10 years. The MT on our IV has never slung grease. It has been my = experience that the MTs will govern down to a much lower RPM than the = Hartzells. The prop on our 320 governs down to about 1000 rpm, the one = on our IV down to about 1200. This produces a very coarse pitch that, = while not fully feathered, produces a drag profile much closer to = feather than the Hartzell.=20 The MT comes painted white and you have a few choices of tip color. They = do tend to loose paint, especially just behind the leading edge and at = the tips. I spoke to Gerd, the owner of MT, at SnF last summer and he = suggested sanding the paint just behind the LE so as to feather it into = the nickel leading edge (which extends under the start of the paint by = about 1/4 inch). I have done this to mine and have had no further paint = problems.=20 Good luck on this. I hope to see your Legacy back in the air soon. Bill Harrelson N5ZQ 320 2,150 hrs N6ZQ IV 400 hrs ------=_NextPart_000_0270_01CEE699.6DED3510 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Adam,
 
Sorry to hear about your prop. Glad to = hear that=20 there were no injuries.
 
I have no particular expertise with = propellers=20 but here is some of what I have found using MTs.
 
We have MT props on both our 320 and = our IV.=20 About 12 years ago MT tried a new blade seal design. On our 320 it slung = grease.=20 They replaced that seal with the old style (no charge) and it=E2=80=99s = been fine for=20 the last 10 years. The MT on our IV has never slung grease.  It has = been my=20 experience that the MTs will govern down to a much lower RPM than the=20 Hartzells.  The prop on our 320 governs down to about 1000 rpm, the = one on=20 our IV down to about 1200. This produces a very coarse pitch that, while = not=20 fully feathered, produces a drag profile much closer to feather than the = Hartzell.
 
The MT comes painted white and you have = a few=20 choices of tip color. They do tend to loose paint, especially just = behind the=20 leading edge and at the tips. I spoke to Gerd, the owner of MT, at SnF = last=20 summer and he suggested sanding the paint just behind the LE so as to = feather it=20 into the nickel leading edge (which extends under the start of the paint = by=20 about 1/4 inch). I have done this to mine and have had no further paint=20 problems.
 
Good luck on this. I hope to see your = Legacy back=20 in the air soon.
 
Bill Harrelson
N5ZQ 320 2,150 hrs
N6ZQ  IV  400 hrs
 
 
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