X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m23.mx.aol.com ([64.12.137.4] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2150505 for flyrotary@lancaironline.net; Sat, 30 Jun 2007 18:52:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.4; envelope-from=BMears9413@aol.com Received: from BMears9413@aol.com by imo-m23.mx.aol.com (mail_out_v38_r9.2.) id q.bbd.1a906339 (52324) for ; Sat, 30 Jun 2007 18:51:27 -0400 (EDT) Received: from mblk-d13 (mblk-d13.mblk.aol.com [205.188.149.5]) by ciaaol-d02.mail.aol.com (v117.7) with ESMTP id MAILCIAAOLD0210-cc644686de6f1e3; Sat, 30 Jun 2007 18:51:27 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: PP construction methods Date: Sat, 30 Jun 2007 18:51:26 -0400 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: bmears9413@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8C989805360F1B0_2C0_14FB1_mblk-d13.sysops.aol.com" X-Mailer: AOL WebMail 28363 Received: from 65.182.71.8 by mblk-d13.sysops.aol.com (205.188.149.5) with HTTP (WebMailUI); Sat, 30 Jun 2007 18:51:26 -0400 Message-Id: <8C989805360F1B0-2C0-A5EE@mblk-d13.sysops.aol.com> X-AOL-IP: 205.188.149.5 X-Spam-Flag: NO ----------MB_8C989805360F1B0_2C0_14FB1_mblk-d13.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" George, Not that I could tell. I do know that later I tried that motor with a turbo=20= and it didnt work worth a crap. My theory was that the overlap in timing was= taking exhaust back in to the intake. So I installed a racing beat manifold= on it that just blocked the p port. Then it worked fine with the turbo. But= it was to erratic for SCCA racing with the turbo, so I went back to the NA=20= and the multi port, which worked excellent. My flow bench and dyno was the c= lutch and accelerator. So all I can give you is what I felt by the seat of m= y pants! -----Original Message----- From: George Lendich To: Rotary motors in aircraft Sent: Sat, 30 Jun 2007 4:43 pm Subject: [FlyRotary] Re: PP construction methods Bob, Any suggestion that=C2=A0the bridge port flow, adversely affected the PP or=20= vice versa.=C2=A0 George (down under) Yes, I ran the side ports also. I ran the primaries with a polished street p= ort, the=20 secondaries with a bridge port, and the p ports were tied into the secondary= intake runner only. that way I had a good idle and good low end. Then when=20= the secondaries kicked in I had a port timing change and it ran like stink.=20= I was runnning a Holley 650 back then. Bob Mears Supermarine Spitfire -----Original Message----- From: George Lendich To: Rotary motors in aircraft Sent: Fri, 29 Jun 2007 8:07 pm Subject: [FlyRotary] Re: PP construction methods Bob, !" doesn't seem anywhere near enough, were you running PP with side ports ? If PP only how much power did you get from 1". George ( down under) My ports were 1"=20 dia. if I recall right. Done on a 12A. I had a buddy back then that worked f= or Kenworth and he got me some diesel injector sleeves. Even had a tool that= would "swell" the sleeve after it was in place. Then I just filled the enti= re water chamber in epoxy. I still had the old manifold so I took a pic. Tho= ught I would throw in a pic of the new manifold for my 20B. Slightly differe= nt huh! Bob Mears Supermarine Spitfire =20 View full size =20 View full size -----Original Message----- From: Kelly Troyer To: Rotary motors in aircraft Sent: Fri, 29 Jun 2007 4:23 pm Subject: [FlyRotary] Re: PP construction methods Bob, =C2=A0 Do you recall the=20 I.D. of the injection tubes you used and were you=20 running a=20 12a or 13B ?? -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from bmears9413@aol.com: --------------=20 I built=20 P Ports by just drilling a hole through the housing, squeeezingin a diesel i= njection=C3=82 tube, and epoxy fill the entire water chamber it is drilled t= hrough. ran that little motor on the street for years and it never leaked. =C3=82=20 Bob=20 Mears Supermarine spitfire -----Original Message----- From: Richard Sohn=20 To: Rotary motors in aircraft=20 Sent: Wed, 20 Jun 2007 8:54 am Subject: [FlyRotary] Re: PP construction methods =C3=82=20 ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Wednesday, June 20, 2007 7:19 AM Subject: [FlyRotary] PP construction methods Greetings, =C3=82=20 One of the things that's always bothered me about making a PP housing is lea= kage.=C3=82 I've heard very experienced folks say that eventually, any PP ho= using you make will leak, and it's easy for me to imagine=C3=82 that happeni= ng.=C3=82 I don't think I've heard the same thing about factory housings tho= ugh.=C3=82 How are the ports installed in the factory PP housing?=C3=82=20 =C3=82=20 The other problem with a conversion is the side ports.=C3=82 I know people f= ill these with their favorite epoxy, but I'd worry about that coming loose,=20= and getting into the rotor.=C3=82 How much=C3=82 would it hurt the PP operat= ion if you just sealed the ports on the outside of the side housings with a=20= plate where the intake would have been?=C3=82 =C3=82=20 =C3=82=20 Cheers, Rusty =C3=82=20 Rusty, =C3=82=20 I have run my PP on the single rotor for about 25hrs throug all sorts of hea= t cycles and never had a problem with leaking. Keep in mind that my insert i= s held in place by a flange with two bolts, so the JB only seals, it does no= t do the holding.=20 I certainly would never want to depend on JB for holding the insert in place= . =C3=82=20 On your question with the open side port, one of the side ports was open dur= ing the same test period, closed on the outside. Never observed any negative= effect, however, it never ran max RPM. The highest was 5000RPM. I have clos= ed that port now for the next test runs. =C3=82=20 FWIW. =C3=82=20 =C3=82=20 =C3=82=20 =C3=82=20 =C3=82=20 No virus found in this incoming message. Checked by AVG Free Edition.=20 Version: 7.5.472 / Virus Database: 269.9.1/854 - Release Date: 6/19/2007 1:1= 2 PM AOL now offers free email to everyone. Find out more about what's free from=20= AOL at AOL.com. ________________________________________________________________________ AOL now offers free email to everyone. Find out more about what's free from= AOL at AOL.com. ----------MB_8C989805360F1B0_2C0_14FB1_mblk-d13.sysops.aol.com Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8" George,
Not that I could tell. I do know that later I tried that motor with a turbo=20= and it didnt work worth a crap. My theory was that the overlap in timing=20= was taking exhaust back in to the intake. So I installed a racing beat manif= old on it that just blocked the p port. Then it worked fine with the turbo. But it was to er= ratic for SCCA racing with the turbo, so I went back to the NA and the multi port, wh= ich worked excellent. My flow bench and dyno was the clutch and accelerato= r. So all I can give you is what I felt by the seat of my pants!


-----Original Message-----
From: George Lendich <lendich@optusnet.com.au>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sat, 30 Jun 2007 4:43 pm
Subject: [FlyRotary] Re: PP construction methods

Bob,
Any suggestion=20= that the bridge port flow, adversely affected the PP or vice ver= sa. 
George (down under)
Yes, I ran th= e side ports also. I ran the primaries with a polished street port, the secondaries with a bridge p= ort, and the p ports were=20= tied into the secondary intake runner only. that way I had a good idle and g= ood low end. Then when the secondaries kicked in I had a port timing change=20= and it ran like stink. I was runnning a Holley 650 back then.

Bob Mears
Supermarine Spitfire

-----Original Message-----
From: George Lendich <lendich@= optusnet.com.au>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, 29 Jun 2007 8:07 pm
Subject: [FlyRotary] Re: PP construction methods

Bob,
!" doesn't seem= anywhere near enough, were you running <= /FONT>PP with side ports ?
If PP only how much power did you get from 1".
George ( down under)
My ports were 1" dia. if I recall right. Done on a 12A. I had a buddy back then that worked for Kenworth and he=20= got me some diesel injector sleeves. Even had a tool that would "swell" the=20= sleeve after it was in place. Then I just filled the entire water chamber in= epoxy. I still had the old manifold so I took a pic. Thought I would throw=20= in a pic of the new manifold for my 20B. Slightly different huh!

Bob Mears
Supermarine Spitfire

=20
View full size
=20
View full size



-----Original Message-----
From: Kelly Troyer <keltro@att.net&= gt;
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Fri, 29 Jun 2007 4:23 pm
Subject: [FlyRotary] Re: PP construction methods

Bob,
  Do you recall the
I.D. of the injection tubes you used and were you
running a
12a or 13B ??
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD= 1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold




-------------- Original message from bmears9413@aol.com: --------------

I built
P Ports by just drilling= a hole through the housing, squeeezingin a diesel injection=C3=82 tube, and= epoxy fill the entire water chamber it is drilled through. ran that little=20= motor on the street for years and it never leaked.
=C3=82
Bob
Mears
Supermarine spitfire


-----Original Message-----
From: Richard Sohn
To: Rotary motors in aircraft
Sent: Wed, 20 Jun 2007 8:54 am
Subject: [FlyRotary] Re: PP construction methods

=C3=82
----- Original Message -----
Sent: Wednesday, June 20, 2007 7:19 A= M
Subject: [FlyRotary] PP constru= ction methods

Greetings,
=C3= =82
= One of the things that's always bothered me about making a PP housing is leakage.=C3=82 I've heard very experienced fol= ks say that eventually, any PP housing you make will leak, and it's easy for= me to imagine=C3=82 that happening.=C3=82 I don't think I've heard the same= thing about factory housings though.=C3=82 How are the ports insta= lled in the factory PP housing?=C3=82
=C3= =82
= The other problem with a conversion is the side ports.=C3=82 I know people f= ill these with their favorite epoxy, but I'd worry about that coming loose,=20= and getting into the rotor.=C3=82 How much=C3=82 would it hurt the PP operation if you just sealed the ports on the out= side of the side housings with a plate where the intake would have been?=C3= =82 =C3=82
=C3=82
Cheers,
Rusty=
=C3=82
Rusty,
=C3=82
I have run my PP on the single rotor for about 25hrs throug all sorts of heat cyc= les and never had a problem with leaking. Keep in mind that my insert is hel= d in place by a flange with two bolts, so the JB only seals, it does not do=20= the holding.
I certainly would never want to d= epend on JB for holding the insert in place= .
=C3=82
On your question with the open si= de port, one of the side ports was open during the same test period, closed=20= on the outside. Never observed any negative effect, however, it never ran ma= x RPM. The highest was 5000RPM. I have clos= ed that port now for the next test runs.
=C3=82
= FWIW.
=C3=82
=C3=82
=C3=82
=C3=82
=C3=82
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.472 / Virus Database: 269.9.1/854 - Release Date: 6/19/2007 1:1= 2 PM
AOL now offers free email to everyone. Find out more about what's free from=20= AOL at AOL.com.
----------MB_8C989805360F1B0_2C0_14FB1_mblk-d13.sysops.aol.com--