X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from EXHUB003-3.exch003intermedia.net ([207.5.74.110] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTPS id 3736453 for flyrotary@lancaironline.net; Mon, 29 Jun 2009 13:19:02 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.110; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by EXHUB003-3.exch003intermedia.net ([207.5.74.110]) with mapi; Mon, 29 Jun 2009 10:18:22 -0700 From: Jeff Whaley To: Rotary motors in aircraft Date: Mon, 29 Jun 2009 10:18:24 -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: Acn405R04ojJAb9ESy+neWICCosoGQACbf5Q 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_C03ABB0A7362B84BB53D544B3C305E0E012DC04C186EEXVMBX0035e_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0E012DC04C186EEXVMBX0035e_ Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable Hi Ken, well I never got to the 150 hr mark ... Your exhaust on the rotary looks about as simple as they come. How is it for noise? Jeff From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Ken Welter Sent: Monday, June 29, 2009 11:58 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Cog-Belts - was: More progress, more questions.... 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 =A9 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. I have run a cog belt on my Rotary Coot for about 1000 hrs now and I repl= ace the belt about every 150 hrs just to give me that warm fuzzy feeling, I= am using an Opit Omega belt and the cost is about 100 bucks. Ken --_000_C03ABB0A7362B84BB53D544B3C305E0E012DC04C186EEXVMBX0035e_ Content-Type: text/html; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable [FlyRotary] Re: Cog-Belts - was: More progress, more ques

Hi Ken, well I never got to the 150 hr mark …

Your exhaust on the rotary looks about as simple as they com= e.

How is it for noise?

Jeff

 

From: Rotary motors= in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Ken Welte= r
Sent: Monday, June 29, 2009 11:58 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Cog-Belts - was: More progress, more questions....

 

I had a belt drive on the Ford V6, belt was about 6&qu= ot; wide; had to buy a custom-order, set of 4 - could not buy less =A9 set was = $320 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.

Jeff

 

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf 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 mat= ter what size or what HP limits, have a very safety concerned operating limit o= f 500 hours/2 years, whatever comes along sooner, even if they still LOOK alm= ost brand-new. This was stressed on all belt PSRU sites (for fixed wing or rota= ry wing).I've not seen replacement belt prices because they have not been post= ed and I have not asked.

 

  I have run a cog belt on my Rotary Coot for abo= ut 1000 hrs now and I replace the belt about every 150 hrs just to give me tha= t warm fuzzy feeling, I am using an Opit Omega belt and the cost is about 100 bucks.

 Ken

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