Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2890995 for flyrotary@lancaironline.net; Sun, 14 Dec 2003 22:30:40 -0500 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id hBF3Ubow023591 for ; Sun, 14 Dec 2003 22:30:38 -0500 (EST) Message-ID: <001501c3c2bb$65bc0680$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Pre-rebuild thoughts Date: Sun, 14 Dec 2003 22:27:41 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C3C291.7C814940" 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 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C3C291.7C814940 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Jim, by all accounts, it looks like my first 1986 13B NA engine never = produced more than 140 HP at best. Some indications that it might have = been closer to 120 HP before I took the racing manifold and set up off. = Racing manifold only hurts unless you can turn racing rpms - and I = couldn't with the prop load. Its hard to say how much the porting gave me since I did it on a 1991 = turbo block, but the new engine produces in the vicinity of 180HP, a bit = more on cold days, a bit less on hot days. How much credit to give to porting, well, not certain but I would think = 15HP would not be a wild estimate - perhaps a bit more. Ed Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ----- Original Message -----=20 From: Jim Sower=20 To: Rotary motors in aircraft=20 Sent: Sunday, December 14, 2003 9:22 PM Subject: [FlyRotary] Re: Pre-rebuild thoughts Ed,=20 What do you think it bought you in the way of HP? You estimate you = started out with ??? and ended up with ??? after porting...=20 Seems like a fairly simple, easy way to buy myself 10-20 hp ... Jim S. = Ed Anderson wrote:=20 I used the Racing Beat Porting templates on my 91 turbo II and am = pleased with the results.Ed Anderson=20 RV-6A N494BW Rotary Powered=20 Matthews, NC=20 eanderson@carolina.rr.com=20 ----- Original Message ----- From: Barry Gardner To: Rotary motors in aircraft Sent: Saturday, December 13, 2003 2:54 PM Subject: [FlyRotary] Re: Pre-rebuild thoughts Guys, I'm going to work on rebuilding an 88 13B 6 port between = Christmas and New Years. I'm thinking about porting it. Do you recommend = buying/using the Racing Beat porting templates? It's for use in a = car--at least until I get an airframe. If I decided to get more = ambitious in my porting, what are the lowest idle speeds one can get = with a semi-or full bridgeport? Or am I really best off sticking with = what Racing Beat calls the "streetable" port job? Barry GardnerWheaton, = IL=20 --=20 Jim Sower=20 Crossville, TN; Chapter 5=20 Long-EZ N83RT, Velocity N4095T=20 =20 ------=_NextPart_000_0012_01C3C291.7C814940 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Jim, by all accounts, it looks like my first 1986 13B NA engine = never=20 produced more than 140 HP at best.  Some indications that it might = have=20 been closer to 120 HP before I took the racing manifold and set up = off. =20 Racing manifold only hurts unless you can turn racing rpms - and I = couldn't with=20 the prop load.
 
Its hard to say how much the porting gave me since I did it on a = 1991 turbo=20 block, but the new engine produces in the vicinity of 180HP, a bit more = on cold=20 days, a bit less on hot days.
How much credit to give to porting, well, not certain but I would = think=20 15HP would not be a wild estimate - perhaps a bit more.
 
Ed
 
Ed Anderson
RV-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
----- Original Message -----
From:=20 Jim=20 Sower
Sent: Sunday, December 14, 2003 = 9:22=20 PM
Subject: [FlyRotary] Re: = Pre-rebuild=20 thoughts

Ed,
What do you think it bought you in the way of = HP? =20 You estimate you started out with ??? and ended up with ??? after = porting...=20
Seems like a fairly simple, easy way to buy myself 10-20 hp ... = Jim S.=20

Ed Anderson wrote:=20

I used the Racing Beat Porting templates on my 91 turbo II and am = pleased=20 with the results.Ed Anderson
RV-6A N494BW Rotary Powered =
Matthews,=20 NC
eanderson@carolina.rr.com=20
----- Original Message -----
From:=20 Barry = Gardner
To: Rotary motors in=20 aircraft
Sent: Saturday, December = 13, 2003=20 2:54 PM
Subject: [FlyRotary] Re: = Pre-rebuild=20 thoughts
 Guys, I'm going to work on rebuilding an = 88 13B 6=20 port between Christmas and New Years. I'm thinking about porting = it. Do=20 you recommend buying/using the Racing Beat porting templates? It's = for use=20 in a car--at least until I get an airframe. If I decided to = get more=20 ambitious in my porting, what are the lowest idle speeds one can = get with=20 a semi-or full bridgeport? Or am I really best off sticking with = what=20 Racing Beat calls the "streetable" port job? Barry = GardnerWheaton, IL=20
 

--
Jim Sower
Crossville, TN; Chapter 5
Long-EZ N83RT, = Velocity=20 N4095T
 

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