X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: Received: from mail03.syd.optusnet.com.au ([211.29.132.184] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTPS id 868082 for flyrotary@lancaironline.net; Wed, 13 Apr 2005 18:06:50 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.184; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-104-210.dsl.nsw.optusnet.com.au [220.236.104.210]) by mail03.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id j3DM60hs006619 for ; Thu, 14 Apr 2005 08:06:01 +1000 Message-ID: <002301c54075$7e0cda50$d268ecdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fw: Rx-8 Rotors useable in 91 13B? Date: Thu, 14 Apr 2005 08:09:41 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0020_01C540C9.4F67E420" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0020_01C540C9.4F67E420 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ed, $ 50 sounds about right- if you go ahead with getting the RX8 rotors and = counter weights, could you weight the RX8 counter weights and let us = know the weights for comparison. George (down under) Right, Bill I have heard the same confusing story about the rotor weights. = However, there are counterweights available for the RX-8 rotors so I for = the moment I am going to assume they are different from the Rx-7 9.7:1 = rotors counterweights. Clearly need more information. The change to = the much cheaper RX-8 rotors is attractive - depending on how much = milling the slots cost. I have been given an estimate of $50 a slot = which would of course be $150 a rotor. That would bring the cost close = to $420 each which is about $120 cheaper still than the 9.7:1 rotor. So will spend the next couple of days getting information and advise = before making a decision - need to get my airplane home. Ed ----- Original Message -----=20 From: WRJJRS@aol.com=20 To: Rotary motors in aircraft=20 Sent: Wednesday, April 13, 2005 2:19 AM Subject: [FlyRotary] Re: Fw: Rx-8 Rotors useable in 91 13B? In a message dated 4/12/2005 1:49:56 PM Pacific Standard Time, = eanderson@carolina.rr.com writes: I am going to look into this a bit more and find out how much to = mill a rotor. A lighter rotor =3D> more rpms without increasing stress? Ed Don't forget lighter rotors would require different balance = weights. I have heard from various sources that the Renesis rotor was = lighter and then that they weigh the same! Both from usually reliable = sources, go figure. Bill Jepson ------=_NextPart_000_0020_01C540C9.4F67E420 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ed,
$ 50 sounds about right- if you go ahead with getting the RX8 = rotors=20 and counter weights, could you weight the RX8 counter weights and let us = know=20 the weights for comparison.
George (down under)
Right, Bill
 
I have heard the same confusing story about the rotor = weights. =20 However, there are counterweights available for the RX-8 rotors so I = for the=20 moment I am going to assume they are different from the Rx-7 9.7:1 = rotors=20 counterweights.  Clearly need more information.  The change = to the=20 much cheaper RX-8 rotors is attractive - depending on how much milling = the=20 slots cost.  I have been given an estimate of $50 a slot which = would of=20 course be $150 a rotor. That would bring the cost close to $420  = each=20 which is about $120 cheaper still than the 9.7:1 rotor.
 
So will spend the next couple of days getting information and = advise=20 before making a decision - need to get my airplane home.
 
Ed
----- Original Message -----
From:=20 WRJJRS@aol.com=20
To: Rotary motors in = aircraft=20
Sent: Wednesday, April 13, = 2005 2:19=20 AM
Subject: [FlyRotary] Re: Fw: = Rx-8=20 Rotors useable in 91 13B?

In a message dated 4/12/2005 1:49:56 PM Pacific Standard Time, = eanderson@carolina.rr.com=20 writes:
I am going to look into this a = bit more and=20 find out how much to mill a rotor.  A lighter rotor =3D> = more rpms=20 without increasing stress?
 
Ed Don't forget lighter rotors would require different balance = weights.=20 I have heard from various sources that the Renesis rotor was lighter = and=20 then that they weigh the same! Both from usually reliable sources, = go=20 figure.
Bill = Jepson
------=_NextPart_000_0020_01C540C9.4F67E420--