X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3752934 for flyrotary@lancaironline.net; Fri, 10 Jul 2009 17:56:57 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from sv1-1.aanet.com.au (sv1-1.per.aanet.com.au [203.24.100.68]) by poplet2.per.eftel.com (Postfix) with ESMTP id 229961739B6 for ; Sat, 11 Jul 2009 05:56:19 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by sv1-1.aanet.com.au (Postfix) with SMTP id 7C319BEC013 for ; Sat, 11 Jul 2009 05:56:19 +0800 (WST) Message-ID: <57AFF371CEA54F4C9A3F1AADDC1C6E67@ownerf1fc517b8> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Interested in cog-belt PRSUs? Date: Sat, 11 Jul 2009 07:56:20 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0029_01CA01FD.14127CB0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 090710-0, 07/10/2009), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0029_01CA01FD.14127CB0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jeff, I am also very interested in any PSRU design good or bad. You never know what small piece of information you can glean from = others ideas George ( down under) Hi Bernie, I used to have a Ford V6 with a Blanton Drive - there was = no TV damper built into the 2:1 ratio drive. Near the end of my V6 days I contacted a guy in British Columbia (Mike = Hirshfield) about his V6 installation which was very successful - he was = flying exclusively on floats and had a NOS system which boosted his rpm = to 4800 on take-off - he claimed better performance than Cessna's with = 0-470's. Anyway he had a set of drawings for his reduction drive - I = couldn't make sense of them - he said if I took them to any machine shop = they would be able to make the necessary parts. If you're interested, I'll dig them out and try to get you a copy. Jeff =20 From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Berniehb7448@wmconnect.com Sent: Thursday, July 09, 2009 4:53 PM To: Rotary motors in aircraft Subject: [FlyRotary] Interested in cog-belt PRSUs? =20 To George ( down under) and others interested in cog-belt PRSUs:=20 (Bernie: "George, you're upside down!" George: "No, no, YOU'RE upside = down!! I can see perfectly well that I and other people, and houses, and = telephone poles, and dogs are upright! SO THERE!!"=20 Here endeth the silly stuff. =20 George, you wrote "Ask about weight, type of torsional vibration = DAMPER, density of Damper, tracking adjustment, density of engine mount = rubbers, and HP limits". Which rotary model should they focus on, like = the 13B, 13B Turbo, the Renesis, 20B as having the potentially greatest = demand? Same for potential demand for"normal vertical" engine = orientation or "Plugs Up". They will have to expect a potential market = for the effort in designing and making one or maybe 2 versions of a belt = PSRU for the Rotary.=20 You other guys, please join in with questions that should be asked, or = other strategy points. I don't want to make this inquiry without ducks = aligned. Have you ever made a technical inquiry and you were ignored? = It's happened to me, and I was angry and frustrated, worst of all, I was = not being taken seriously and I did not get the needed information.=20 Let's hear from you. For those that have missed the beginning of this, = it's about the first Cog Belt PSRU that I have seen with a torsional = vibration damper instead of the driver pulley mounted straight on the = flywheel. George found them in Brazil and sent the web addresses to me. = The site is in Portugese only (except the numbers are in English - yuck = yuck). We want to know a little more about their PSRU, and if they could = be interested in trying out for a Rotary PSRU. We're basically asking = them to spend a lot of money, engage in a lot of effort and sweat, and = it's all a big risk for them:=20 http://www.altaircoelho.com.br=20 http://www.altaircoelho.com.br/ac53fotos.html?Submit2=3DFotos+AC+53=20 Thanks, Bernie. ------=_NextPart_000_0029_01CA01FD.14127CB0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
 Jeff,
I am also very interested in any PSRU = design=20 good or bad.
You never know what small piece of = information=20 you can glean from others ideas
George ( down under)
 

Hi=20 Bernie, I used to have a Ford V6 with a Blanton Drive =96 there was no = TV damper=20 built into the 2:1 ratio drive.

Near=20 the end of my V6 days I contacted a guy in British Columbia (Mike = Hirshfield)=20 about his V6 installation which was very successful =96 he was flying=20 exclusively on floats and had a NOS system which boosted his rpm to = 4800 on=20 take-off =96 he claimed better performance than Cessna=92s with = 0-470=92s. Anyway he=20 had a set of drawings for his reduction drive =96 I couldn=92t make = sense of them=20 =96 he said if I took them to any machine shop they would be able to = make the=20 necessary parts.

If=20 you=92re interested, I=92ll dig them out and try to get you a=20 copy.

Jeff

 

From: Rotary = motors in=20 aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of=20 Berniehb7448@wmconnect.com
Sent: Thursday, July 09, 2009 = 4:53=20 PM
To: Rotary motors in aircraft
Subject: = [FlyRotary]=20 Interested in cog-belt PRSUs?

 

To George = ( down=20 under) and others interested in cog-belt PRSUs:

(Bernie: = "George,=20 you're upside down!" George: "No, no, YOU'RE upside down!! I can see = perfectly=20 well that I and other people, and houses, and telephone poles, and = dogs are=20 upright! SO THERE!!"

Here endeth the silly stuff.    =

George, you wrote "Ask about weight, type of torsional = vibration=20 DAMPER, density of Damper, tracking adjustment, density of engine = mount=20 rubbers, and HP limits". Which rotary model should they focus on, like = the=20 13B, 13B Turbo, the Renesis, 20B as having the potentially greatest = demand?=20 Same for potential demand for"normal vertical" engine orientation or = "Plugs=20 Up".  They will have to expect a potential market for the effort = in=20 designing and making one or maybe 2 versions of a belt PSRU for the = Rotary.=20

You other guys, please join in with questions that should be = asked, or=20 other strategy points. I don't want to make this inquiry without ducks = aligned. Have you ever made a technical inquiry and you were ignored? = It's=20 happened to me, and I was angry and frustrated, worst of all, I was = not being=20 taken seriously and I did not get the needed information. =

Let's hear=20 from you. For those that have missed the beginning of this, it's about = the=20 first Cog Belt PSRU that I have seen with a torsional vibration damper = instead=20 of the driver pulley mounted straight on the flywheel. George found = them in=20 Brazil and sent the web addresses to me. The site is in Portugese only = (except=20 the numbers are in English - yuck yuck). We want to know a little more = about=20 their PSRU, and if they could be interested in trying out for a Rotary = PSRU.=20 We're basically asking them to spend a lot of money, engage in a lot = of effort=20 and sweat, and it's all a big risk for them:=20

http://www.altaircoelho.com.br=20 =

http://www.altaircoelho.com.br/ac53fotos.html?Submit2=3DFotos+AC+= 53=20

Thanks, = Bernie.

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