X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail06.syd.optusnet.com.au ([211.29.132.187] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTPS id 2112363 for flyrotary@lancaironline.net; Tue, 19 Jun 2007 20:08:12 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.187; envelope-from=lendich@optusnet.com.au Received: from george (d58-105-75-130.dsl.nsw.optusnet.com.au [58.105.75.130]) by mail06.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l5K07N4W008605 for ; Wed, 20 Jun 2007 10:07:24 +1000 Message-ID: <001a01c7b2ce$fba57440$824b693a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Different Rotary Port configurations Date: Wed, 20 Jun 2007 10:07:24 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0017_01C7B322.CC847040" 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_0017_01C7B322.CC847040 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Monty, They have been done before no problem! Lynn's suggestion is also good, but for me harder to do. I suppose you = could do two( or 4) smaller holes the housing and work in the shape with = a die grinder, just leaving the bridge. Wouldn't be able to weld in the = tube Unless you made a bridge in the face of the tube - now there's a = good idea. No good for PP exhaust however! George ( down under) Monty, I wouldn't take the chance with a RX8 apex seal going over any sized = hole. Their not designed to do that as they are much smaller in height = and IMHO they will flex and spit out of the hole. Deeper 2mm slots have = been tried, with RX7 two piece but even with a wire cutter there is a = small ridge left, which might hang up an apex seal - so I'm going for a = 3mm apex seal. The slot depth is 9.8mm and is just as easily cut with a fly cutter as = a wire cutter. George ( down under) George, So I take it there is enough meat in the Renesis rotor to make the = slot deeper? Somewhere I came across somebody stating that they were too = shallow.=20 Yes 3mm seals are something I have considered also. Of course I hesitate to cut into a perfectly good $500 part, but now I = have a junk rotor to make sure. I also have 6 tries to get the setup = right before the good part goes in the mill. ;-) Monty ------=_NextPart_000_0017_01C7B322.CC847040 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Monty,
They have been done before no = problem!
Lynn's suggestion is also good, but for = me harder=20 to do. I suppose you could do two( or 4) smaller holes the housing = and work=20 in the shape with a die grinder, just leaving the bridge. Wouldn't be = able to=20 weld in the tube Unless you made a bridge in the face of the tube - now = there's=20 a good idea.
No good for PP exhaust = however!
George ( down under)
Monty,
I wouldn't take = the chance with=20 a RX8 apex seal going over any sized hole. Their not designed to do = that as=20 they are much smaller in height and IMHO they will flex and = spit out=20 of the hole. Deeper 2mm slots have been tried, with RX7 two piece = but=20 even with a wire cutter there is a small ridge left, which might hang = up an=20 apex seal - so I'm going for a 3mm apex seal.
The slot depth is = 9.8mm and is=20 just as easily cut with a fly cutter as a wire = cutter.
George ( down=20 under)
 
 
George,
 
So I take it there is enough meat in = the Renesis=20 rotor to make the slot deeper? Somewhere I came across somebody = stating that=20 they were too shallow.
 
Yes 3mm seals are something I have = considered=20 also.
 
Of course I hesitate to cut into a = perfectly good=20 $500 part, but now I have a junk rotor to make sure. I also have 6 = tries to=20 get the setup right before the good part goes in the mill. = ;-)
 
Monty
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