X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from lincoln.lisco.com ([69.18.32.37] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3816884 for flyrotary@lancaironline.net; Tue, 18 Aug 2009 11:45:50 -0400 Received-SPF: none receiver=logan.com; client-ip=69.18.32.37; envelope-from=rob@mum.edu Received: from DELL919SZF1 (76-76-233-100.lisco.net [76.76.233.100]) by lincoln.lisco.com (Postfix) with SMTP id 662682BF39 for ; Tue, 18 Aug 2009 10:45:10 -0500 (CDT) Message-ID: <2DD62ECF49CA4DF28307F34B6A93E82B@DELL919SZF1> Reply-To: "Rob" From: "Rob" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Diff Betw Late Model 13B & Renesis Date: Tue, 18 Aug 2009 10:44:55 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01CA1FF0.EC719800" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0005_01CA1FF0.EC719800 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm about to begin building my engine mount for my 20B on my BD4. I'm = using a bed mounting plate like Tracys mount. What size 4130 tubing does = everyone recoment that I use? I have a lot of 3/4x.049 tubing in stock. = Would that be ok or should I use something larger diameter? Any = suggestions? Robert Robert Bollinger MR722 MUM Fairfield IA 52557 (641)472-7000 ex2068 (641)919-3213 cell rob@mum.edu ----- Original Message -----=20 From: George Lendich=20 To: Rotary motors in aircraft=20 Sent: Sunday, August 16, 2009 10:38 PM Subject: [FlyRotary] Re: Diff Betw Late Model 13B & Renesis Bryan, Yep! that's what I've heard as well. George (down under) George, The side seal tolerances are many times greater than the traditional = seals. Plus they have a "keystone" shape to them. I have heard that = many racers use the longer seals in an attempt to close that gap. Bryan =20 -------------------------------------------------------------------------= --- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of George Lendich Sent: Sunday, August 16, 2009 5:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Diff Betw Late Model 13B & Renesis =20 Bryan and Jeff, I have spoken to a number of people about the Renensis and they all = tell me that none of the compression seal sizes( lengths) completely = seal against blow-by, hence the need for the extra O-ring type seal in = the rotor sides.=20 =20 There are a number of lengths available and it has been suggest to = me to use the longest, as at our usage, as compared to racing, their = never going to reach their maximum length. Their length is governed by = the fact that their being more exposed the exhaust heat, because of the = side exhausts. It's my feeling that that little cut away in the exhaust = side ( of the rotor) makes them even more exposed. =20 I hope that makes sense. George (down under) Jeff, The grooves for the outer water jackets are in the rotor housings = vice the side housings. The rotors have an additional outer ring. Some of the tolerances = are not in the DVD due to the fact that these components are unique to = the Renesis. I can get those to you if you decide on the Renesis. Otherwise, = pretty much the same. Bryan =20 =20 =20 -------------------------------------------------------------------------= - From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Jeff Luckey Sent: Sunday, August 16, 2009 12:56 PM To: Rotary motors in aircraft Subject: [FlyRotary] Diff Betw Late Model 13B & Renesis =20 I just watched Bruce Turrentine's video on how to rebuild a gen 2 = 13B. (Pretty good video considering it was done by one guy and a tripod = - and the price was sure right, $30 delivered.) =20 I'm considering using a Renesis and was wondering if there are any = significant differences or gotchas between the 2 engines that I need to = know about. =20 Also, I've been looking for the Shop Manual for a 2004 = Renesis/RX-8 and found a couple on EBay. The actual printed manuals = cost anywhere from $100-200, but there seem to be electronic versions of = these manuals available for <$20. Has anyone used the electronic = versions - likes or dislikes? =20 Given the choice among publishers like Haynes, Chilton, or Mazda, = which is best? I would tend to go w/ Mazda but sometimes Japanese = manuals can loose something in translation. =20 Thanks, =20 =20 =20 Jeff Luckey =20 ------=_NextPart_000_0005_01CA1FF0.EC719800 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm about to begin building my engine = mount for my=20 20B on my BD4. I'm using a bed mounting plate like Tracys mount. What = size 4130=20 tubing does everyone recoment that I use? I have a lot of 3/4x.049 = tubing in=20 stock. Would that be ok or should I use something larger diameter? Any=20 suggestions?
Robert
 
Robert Bollinger
MR722 MUM
Fairfield IA = 52557
(641)472-7000=20 ex2068
(641)919-3213 cell
rob@mum.edu
----- Original Message -----
From:=20 George=20 Lendich
Sent: Sunday, August 16, 2009 = 10:38=20 PM
Subject: [FlyRotary] Re: Diff = Betw Late=20 Model 13B & Renesis

Bryan,
Yep! that's what I've heard as = well.
George (down under)

George,

The side seal tolerances are = many times=20 greater than the traditional seals.  Plus they have a = =93keystone=94 shape=20 to them.  I have heard that many racers use the longer seals in = an=20 attempt to close that gap.

Bryan

 

From:=20 Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net] On=20 Behalf Of George Lendich
Sent: Sunday, August 16, 2009 = 5:35=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: Diff = Betw Late=20 Model 13B & Renesis

 

Bryan and Jeff,

I=20 have spoken to a number of people about the Renensis and they all = tell me=20 that none of the compression seal sizes( lengths) completely seal = against=20 blow-by, hence the need for the extra O-ring type seal in the rotor = sides.=20

 

There are a number of lengths available = and it has=20 been suggest to me to use the longest, as at our usage, as compared = to=20 racing,  their never going to reach their maximum length. Their = length=20 is governed by the fact that their being more exposed the = exhaust heat,=20 because of the side exhausts. It's my feeling that that little cut = away in=20 the exhaust side ( of the rotor) makes them even more=20 exposed.

 

I=20 hope that makes sense.

George (down=20 under)

 Jeff,

The grooves for the outer = water=20 jackets are in the rotor housings vice the side=20 housings.

The rotors have an = additional outer=20 ring.  Some of the tolerances are not in the DVD due to the = fact that=20 these components are unique to the = Renesis.

I can get those to you if = you decide=20 on the Renesis.  Otherwise, pretty much the=20 same.

Bryan

 

 

 

From:=20 Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Jeff Luckey
Sent: Sunday, August 16, = 2009 12:56=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Diff = Betw Late=20 Model 13B & Renesis

 

I=20 just watched Bruce Turrentine=92s video on how to rebuild a gen 2 = 13B. =20 (Pretty good video considering it was done by one guy and a tripod = =96 and=20 the price was sure right, $30 = delivered.)

 

I=92m considering using a Renesis and = was wondering=20 if there are any significant differences or gotchas between the 2 = engines=20 that I need to know about.

 

Also, I=92ve been looking for the Shop = Manual for a=20 2004 Renesis/RX-8 and found a couple on EBay.  The actual = printed=20 manuals cost anywhere from $100-200, but there seem to be = electronic=20 versions of these manuals available for <$20.  Has anyone = used the=20 electronic versions =96 likes or = dislikes?

 

Given the choice among publishers like = Haynes,=20 Chilton, or Mazda, which is best? I would tend to go w/ Mazda but=20 sometimes Japanese manuals can loose something in=20 translation.

 

Thanks,

 

 

 

Jeff Luckey

 

<= /BLOCKQUOTE> ------=_NextPart_000_0005_01CA1FF0.EC719800--