X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost06.isp.att.net ([204.127.217.106] verified) by logan.com (CommuniGate Pro SMTP 5.2.5) with ESMTP id 3010822 for flyrotary@lancaironline.net; Thu, 03 Jul 2008 19:24:40 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.217.106; envelope-from=keltro@att.net Received: from fwebmail31.isp.att.net ([204.127.221.131]) by isp.att.net (frfwmhc06) with SMTP id <20080703232401H06009vp2ge>; Thu, 3 Jul 2008 23:24:01 +0000 X-Originating-IP: [204.127.221.131] Received: from [4.245.55.165] by fwebmail31.isp.att.net; Thu, 03 Jul 2008 23:24:01 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Rotor Compression Date: Thu, 03 Jul 2008 23:24:01 +0000 Message-Id: <070320082324.15594.486D5F90000893EE00003CEA22243322829B0A02D29B9B0EBF019D9B040A05@att.net> In-Reply-To: X-Mailer: AT&T Message Center Version 1 (Jun 10 2008) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_15594_1215127441_0" --NextPart_Webmail_9m3u9jl4l_15594_1215127441_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit George, Check chart below................ -- Kelly Troyer "Dyke Delta"_13B ROTARY Engine "RWS"_RD1C/EC2/EM2 "Mistral"_Backplate/Oil Manifold -------------- Original message from "George Lendich" : -------------- Can anyone tell me the rotor compression of the Turbo rotors 1989-92. TIA George (down under) Rotor Weight and Compression Chart This chart is included in our Website for reference purposes. The weights listed are for production, unmodified rotors. EngineYearCompressionWeight (Grams)Weight (Pounds) 12A 76-829.4460310.15 12A 83-859.443539.60 13B74-789.2525311.58 13B84-859.4525311.58 13B N/T86-889.4455310.04 13B Turbo86-888.5455310.04 13B N/T89-929.743289.54 13B Turbo89-929.043289.54 13B T/T93-959.043289.54 13B Renesis04-on10.042189.30 NOTE: Weights are approximate, and include rotor bearing, but do not include any seals or springs. Please remember, the weights are APPROXIMATE -- it is not uncommon at all to get a 50+ gram spread in a pair of NEW rotors. A batch of NEW 89-92 Non-turbo rotors we weighed will give you a good example (in grams): 4235, 4251, 4278, 4282, 4284, 4307, and 4314 = 79 gram spread (and none were at the 4328 one we used for the above chart). When assembling an engine we strongly recommend having it balanced, or at the least be sure your rotors are close in weight. --NextPart_Webmail_9m3u9jl4l_15594_1215127441_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_15594_1215127441_1" --NextPart_Webmail_9m3u9jl4l_15594_1215127441_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
George,
      Check chart below................
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d



 
-------------- Original message from "George Lendich" <le= ndich@optusnet.com.au>: --------------

Can anyone tell me the rotor compression o= f the Turbo rotors 1989-92.
TIA
George (down under)
 

Rotor Weight and Compression Char= t

This chart is included in our Website for reference purposes. Th= e weights listed are for production, unmodified rotors.

Engine Year Compression Weight (Grams) Weight (Pounds)
12A 76-82 9.4 4603 10.15
12A 83-85 9.4 4353 9.60
13B 74-78 9.2 5253 11.58
13B 84-85 9.4 5253 11.58
13B N/T 86-88 9.4 4553 10.04
13B Turbo 86-88 8.5 4553 10.04
13B N/T 89-92 9.7 4328 9.54
13B Turbo 89-92 9.0 4328 9.54
13B T/T 93-95 9.0 4328 9.54
13B Renesis 04-on 10.0 4218 9.30

NOTE: Weights are approximate, and include rotor bearing, but do= not include any seals or springs. Please remember, the weights are APPROXI= MATE -- it is not uncommon at all to get a 50+ gram spread in a pair of NEW= rotors. A batch of NEW 89-92 Non-turbo rotors we weighed will give you a g= ood example (in grams): 4235, 4251, 4278, 4282, 4284, 4307, and 4314 =3D 79= gram spread (and none were at the 4328 one we used for the above chart). <= /STRONG>

When assembling an engine we strongly recommend having it balanced, or at the least be sure = your rotors are close in weight.

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