X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from mail01.syd.optusnet.com.au ([211.29.132.182] verified) by logan.com (CommuniGate Pro SMTP 5.1.6) with ESMTPS id 1860744 for flyrotary@lancaironline.net; Sat, 24 Feb 2007 16:49:27 -0500 Received-SPF: none receiver=logan.com; client-ip=211.29.132.182; envelope-from=lendich@optusnet.com.au Received: from george (d220-236-180-216.dsl.nsw.optusnet.com.au [220.236.180.216]) by mail01.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l1OLmTof004490 for ; Sun, 25 Feb 2007 08:48:34 +1100 Message-ID: <001101c7585d$88f66380$d8b4ecdc@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Primary regulator, and motor mount plate Date: Sun, 25 Feb 2007 07:48:30 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C758B1.576C00A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C758B1.576C00A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message Greetings, The Dominator gyro is on order, to arrive around the first part of = April (I hope). The gear drive is still on order from Autoflight, and = hopefully, will be shipping soon. All I can do in the mean time is get = the engine as ready as possible, which mostly means making a new engine = mount plate of some type. =20 Question one- If I were to make a sandwiched plate, similar to what = CCI does (did ?) with their mounts, how thick would it need to be for a = single rotor? The CCI plate was 1/2" thick for the two rotor, and I = made my first single rotor mount that thick as well. Since I'd like to = reduce some weight, I'm wondering what I can cut this down to. I'm = guessing 3/8" at least, and maybe 1/4". Any suggestions? Second question, how much oil bypasses the primary regulator (in the = front cover) under normal operation? Does any bypass at all? I know = it's there primarily to prevent overpressure of the oil cooler in case = the lines get blocked, but I wonder if it's actually needed for normal = operation. In other words, can I plug up the primary regulator, and be = OK as long as nothing in the oil lines gets plugged up? =20 Thanks, Rusty (waiting for Ed to try his favorite brazing rods on the board) Rusty, I like the mount plate for simplicity - however it does move, and move = enough to get leaks. Since this is a perceived problem with the 2 rotor, = I would leave it 1/2" for the one rotor, with the required internal = holes. Just my opinion Matey! George ( down under) ------=_NextPart_000_0009_01C758B1.576C00A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message

 
Greetings,
 
The Dominator = gyro is on=20 order, to arrive around the first part of April (I hope).  The = gear drive=20 is still on order from Autoflight, and hopefully, will be shipping = soon. =20 All I can do in the mean time is get the engine as ready as possible, = which=20 mostly means making a new engine mount plate of some=20 type.  
 
Question one- = If I were=20 to make a sandwiched plate, similar to what CCI does (did ?) with = their=20 mounts, how thick would it need to be for a single rotor?  The = CCI plate=20 was 1/2" thick for the two rotor, and I made my first = single rotor mount=20 that thick as well.  Since I'd like to reduce some weight, I'm = wondering=20 what I can cut this down to.  I'm guessing 3/8" at least, and = maybe=20 1/4".   Any suggestions?
 
Second = question, how=20 much oil bypasses the primary regulator (in the front cover) = under normal=20 operation?  Does any bypass at all?  I know it's there = primarily to=20 prevent overpressure of the oil cooler in case the lines get blocked, = but I=20 wonder if it's actually needed for normal operation.  In other = words, can=20 I plug up the primary regulator, and be OK as long = as nothing in the=20 oil lines gets plugged up?  
 
Thanks,
Rusty = (waiting for Ed to=20 try his favorite brazing rods on the board)
 
Rusty,
I like the = mount plate=20 for simplicity - however it does move, and move enough to get leaks. = Since=20 this is a perceived problem with the 2 rotor, I would leave it 1/2" = for the=20 one rotor, with the required internal holes.
Just my = opinion=20 Matey!
George ( down = under)
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