X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from exhub003-1.exch003intermedia.net ([207.5.74.28] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTPS id 3736175 for flyrotary@lancaironline.net; Mon, 29 Jun 2009 09:43:00 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.28; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by exhub003-1.exch003intermedia.net ([207.5.74.28]) with mapi; Mon, 29 Jun 2009 06:42:23 -0700 From: Jeff Whaley To: Rotary motors in aircraft Date: Mon, 29 Jun 2009 06:42:22 -0700 Subject: RE: [FlyRotary] Re: Cog-Belts - was: More progress, more questions.... Thread-Topic: [FlyRotary] Re: Cog-Belts - was: More progress, more questions.... Thread-Index: Acn4UA0ALPSK4UsmTPOMpGicRkFdhAAba0Kg Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C03ABB0A7362B84BB53D544B3C305E0E012DC04C1746EXVMBX0035e_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0E012DC04C1746EXVMBX0035e_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I had a belt drive on the Ford V6, belt was about 6" wide; had to buy a cus= tom-order, set of 4 - could not buy less ... set was $320 or $80 each. No i= dea about the actual service life but at that time people on the "Ford list= " were expecting to reach 2000 hours. Jeff From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Berniehb7448@wmconnect.com Sent: Sunday, June 28, 2009 8:20 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: More progress, more questions.... From what I've seen so far, ALL cog belts, doesn't matter what size or what= HP limits, have a very safety concerned operating limit of 500 hours/2 yea= rs, whatever comes along sooner, even if they still LOOK almost brand-new. = This was stressed on all belt PSRU sites (for fixed wing or rotary wing).I'= ve not seen replacement belt prices because they have not been posted and I= have not asked. --_000_C03ABB0A7362B84BB53D544B3C305E0E012DC04C1746EXVMBX0035e_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I had a belt drive on the Ford V6, belt was about 6” w= ide; had to buy a custom-order, set of 4 - could not buy less … set was $3= 20 or $80 each. No idea about the actual service life but at that time people = on the “Ford list” were expecting to reach 2000 hours.<= /span>

Jeff

From: Rotary motors= in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Berniehb7= 448@wmconnect.com
Sent: Sunday, June 28, 2009 8:20 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: More progress, more questions....

From what I've seen so far, ALL cog belts, doesn't matter what size or what HP limits, have a very safety concerned operating limit of 500 hours/2 years, whatever comes along sooner, even if they still LOOK almost brand-new. This= was stressed on all belt PSRU sites (for fixed wing or rotary wing).I've not se= en replacement belt prices because they have not been posted and I have not as= ked.

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