X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail13.syd.optusnet.com.au ([211.29.132.194] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTPS id 2150455 for flyrotary@lancaironline.net; Sat, 30 Jun 2007 17:44:36 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.194; envelope-from=lendich@optusnet.com.au Received: from george (d58-108-82-30.dsl.nsw.optusnet.com.au [58.108.82.30]) by mail13.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id l5ULhqfr029897 for ; Sun, 1 Jul 2007 07:43:53 +1000 Message-ID: <002301c7bb5f$c47249a0$1e526c3a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: PP construction methods Date: Sun, 1 Jul 2007 07:43:58 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0020_01C7BBB3.9598D5F0" 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_0020_01C7BBB3.9598D5F0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Bob, Any suggestion that the bridge port flow, adversely affected the PP or = vice versa.=20 George (down under) Yes, I ran the side ports also. I ran the primaries with a polished = street port, the 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 the secondaries kicked in I had a port = timing change and it ran like stink. 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 for 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 entire water chamber in epoxy. I still had the old manifold = so I took a pic. Thought I would throw 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 To: Rotary motors in aircraft Sent: Fri, 29 Jun 2007 4:23 pm Subject: [FlyRotary] Re: PP construction methods Bob, 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 injection=C3=82 tube, and epoxy fill the entire water chamber = it is drilled through. 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 leakage.=C3=82 I've heard very experienced folks 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 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 fill these with their favorite epoxy, but I'd worry about = that coming loose, 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 = outside of the side housings with a 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 heat cycles and never had a problem with leaking. Keep in mind = that my insert is held in place by a flange with two bolts, so the JB = only seals, it does not 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 during 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 closed 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 1:12 PM -------------------------------------------------------------------------= - AOL now offers free email to everyone. Find out more about what's = free from AOL at AOL.com. ------=_NextPart_000_0020_01C7BBB3.9598D5F0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Bob,
Any suggestion that the bridge = port flow,=20 adversely affected the PP or vice versa. 
George (down under)
Yes,=20 I ran the side ports also. I ran the primaries with a polished street = port,=20 the secondaries with a bridge port, and the p ports were tied into the secondary intake = runner=20 only. that way I had a good idle and good low end. Then when the = secondaries=20 kicked in I had a port timing change and it ran like stink. I was = runnning a Holley 650 back = then.

Bob=20 Mears
Supermarine Spitfire

-----Original = Message-----
From:=20 George Lendich <lendich@optusnet.com.au>
To: Rotary motors in = aircraft <flyrotary@lancaironline.net>
Sent: Fri, 29 Jun 2007 = 8:07=20 pm
Subject: [FlyRotary] Re: PP construction methods

Bob,
!" = doesn't seem anywhere=20 near enough, were you running PP with side ports ?
If = PP only how=20 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 for = Kenworth=20 and he got me some diesel injector sleeves. Even had a tool that = would=20 "swell" the sleeve after it was in place. Then I just filled the = entire=20 water chamber in epoxy. I still had the old manifold so I took a = pic.=20 Thought I would throw in a pic of the new manifold for my = 20B. Slightly=20 different huh!

Bob Mears
Supermarine Spitfire

=20
View = full=20 size
=20
View = full=20 size



-----Original = Message-----
From:=20 Kelly Troyer <keltro@att.net>
To: Rotary = motors in=20 aircraft <flyrotary@lancaironline.net>
Sent:=20 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=20 were you
running a
12a or 13B ??
--
Kelly Troyer
"Dyke = Delta"_13B=20 ROTARY Engine
"RWS"_RD1C/EC2/EM2 =
"Mistral"_Backplate/Oil=20 Manifold




--------------=20 Original message from bmears9413@aol.com: = --------------=20

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


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

=C3=82
----- Original Message ----- =
From:=20 Russell=20 Duffy
To: Rotary motors in = aircraft=20
Sent: Wednesday, June 20, = 2007 7:19=20 AM
Subject: = [FlyRotary] PP=20 construction methods

Greetings,
=C3=82=20
One of the things that's always bothered me about = making a=20 PP housing is leakage.=C3=82 I've heard very experienced = folks say=20 that eventually, any PP housing you make will leak, and it's = easy for me=20 to imagine=C3=82 that happening.=C3=82 I don't think I've heard = the same thing=20 about factory housings though.=C3=82 How are the=20 ports installed in the factory PP housing?=C3=82 =
=C3=82=20
The other problem with a conversion is the side = ports.=C3=82 I=20 know people fill these with their favorite epoxy, but I'd worry = about=20 that coming loose, and getting into the rotor.=C3=82 How = much=C3=82 would it hurt=20 the PP operation if you just sealed the ports on the = outside of=20 the side housings with a plate where the intake would have = been?=C3=82 =C3=82=20
=C3=82
Cheers,
Rusty
=C3=82
Rusty,
=C3=82
I have run my = PP on the=20 single rotor for about 25hrs throug all sorts of heat = cycles and=20 never had a problem with leaking. Keep in mind that my insert is = held in=20 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=20 depend on JB for holding the insert in = place.
=C3=82
On your question with = the open=20 side port, one of the side ports was open during the same test = period,=20 closed on the outside. Never observed any negative effect, = however, it=20 never ran max RPM. The highest was 5000RPM. I have closed = that=20 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=20 Free Edition.
Version: 7.5.472 / Virus Database: 269.9.1/854 = -=20 Release Date: 6/19/2007 1:12 PM
AOL now offers free email to everyone. Find out more about what's = free=20 from AOL at AOL.com.
------=_NextPart_000_0020_01C7BBB3.9598D5F0--