X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost06.isp.att.net ([207.115.11.56] verified) by logan.com (CommuniGate Pro SMTP 5.3.2) with ESMTP id 4116842 for flyrotary@lancaironline.net; Mon, 08 Feb 2010 22:28:52 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.56; envelope-from=keltro@att.net DKIM-Signature: v=1; q=dns/txt; d=att.net; s=dkim01; i=keltro@att.net; a=rsa-sha256; c=relaxed/relaxed; t=1265686132; h=Content-Type: MIME-Version:In-Reply-To:Message-Id:Date:Subject:To:From; bh=544JZy NRNrajNHKJ/mAE+LZ5mD+hjU/jj8uC2EaRCPs=; b=tLxEGcbmrwVCWwaDTMQB697DQ ZWDucU5KS5cjdpC0mLCRKGdvRHz437W30kd5otU+97xVnK1zDDOfrtmPBGtFQ== Received: from fwebmail04.isp.att.net ([204.127.218.104]) by isp.att.net (frfwmhc06) with SMTP id <20100209032816H0600o1v2ce>; Tue, 9 Feb 2010 03:28:16 +0000 X-Originating-IP: [204.127.218.104] Received: from [208.114.41.224] by fwebmail04.isp.att.net; Tue, 09 Feb 2010 03:28:16 +0000 From: "Kelly Troyer" To: "Rotary motors in aircraft" Subject: More throttle now Scotty, we need it now Date: Tue, 09 Feb 2010 03:28:16 +0000 Message-Id: <020920100328.5563.4B70D64F000A5969000015BB22216128369B0A02D29B9B0EBF019D9B040A05@att.net> In-Reply-To: X-Mailer: AT&T Message Center Version 1 (Mar 2 2009) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_5563_1265686096_0" --NextPart_Webmail_9m3u9jl4l_5563_1265686096_0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Mike, Do you think Racing Beat would have any idea what has become of this engi= ne ??.......... -- Kelly Troyer=20 "Dyke Delta"_13B ROTARY Engine=20 "RWS"_RD1C/EC2/EM2=20 "Mistral"_Backplate/Oil Manifold=20 -------------- Original message from "Mike Wills" : -----= ---------=20 Maurice's engine was a second gen 4 port that he had custom built by Racing= Beat for the application. Used to appear on the cover of their catalog. He= claimed that it dyno'ed at 210HP @ 6500RPM. In about 1998 I approached Maurice about bolting his engine on my RV-4 to t= ry to get some market buzz. He declined and instead made an arrangement wit= h someone in Idaho to fly it on some sort of high wing bush plane. It never= got installed and it took him about 5 years to get the engine back. I think when he saw my engine run on my airplane he seriously regretted not= taking me up on the 98 offer. He asked me if I'd consider swapping engines= , but no way at that point. I didn=E2=80=99t realize he'd passed away. Your right, that engine was a ni= ce piece of work. Wonder what happened to it. Bet its collecting dust somew= here. Mike Wills RV-4 N144MW From: aviator@stinsonvoyager.com=20 Sent: Monday, February 08, 2010 1:44 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: [Re][FlyRotary] More throttle now Scotty, we need = it now There was a guy here in San Diego named Maurice Brockington that had spent = a great deal of time and his own money to develop a rotary-based engine. Ha= d it tested many times. Was targeting replacing turbines on twins. Last I = saw the engine it was on a stand at EAA Chater 14 - looked beautiful. I un= derstand he died of cancer, It would great if we could find his work.=20 -------- Original Message -------- Subject: [FlyRotary] [Re][FlyRotary] More throttle now Scotty, we need it now From: "Jeff Luckey" Date: Mon, February 08, 2010 11:03 am To: "Rotary motors in aircraft" Lynn Hanover said: =20 The port timing on the Renesis appears to be quite timid. I would like to s= ee a bit of a developement program for an aircraft specific engine with ear= lier opening and later closing of the intake port. Maintaining zero overlap= is of no value in an airplane, and a big improvement can be had with just = a die grinder. =20 =20 =20 =20 Lynn, =20 You=E2=80=99ve probably forgotten more about engines that I will ever know! =20 Based on your quote above (I=E2=80=99m probably dangerous w/ a die grinder)= , but the kind of mods you are suggesting seem pretty straight forward. (b= esides, if I screw it up, it only costs me a rotor housing ;)=20 =20 My questions are: =20 Q1. If you start to reshape intake ports on a Renesis, how much can you do= before you get into the water jacket? =20 Q2. In a well-engineered aircraft installation, how much HP is a Renesis m= aking? In and RX-8 they are supposed to make about 225 HP. Are aircraft i= nstallations getting that much? =20 Q3. If mods that you suggest above are made to get intake/exhaust overlap, = how much increase in HP can be expected in an aircraft installation? =20 =20 Thanks for sharing your expertise =20 Jeff Luckey =20 =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html --NextPart_Webmail_9m3u9jl4l_5563_1265686096_0 Content-Type: multipart/related; boundary="NextPart_Webmail_9m3u9jl4l_5563_1265686096_1" --NextPart_Webmail_9m3u9jl4l_5563_1265686096_1 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Mike,
  Do you think Racing Beat would have any idea what has become of= this engine ??..........
--
Kelly Troyer
"Dyke Delta"_1= 3B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifol= d



 
-------------- Original message from "Mike Wills" <rv-4mi= ke@cox.net>: --------------

Maurice's engine was a second gen 4 port that he = had custom built by Racing Beat for the application. Used to appear on the = cover of their catalog. He claimed that it dyno'ed at 210HP @ 6500RPM.
 
In about 1998 I approached Maurice about bolting = his engine on my RV-4 to try to get some market buzz. He declined and inste= ad made an arrangement with someone in Idaho to fly it on some sort of high= wing bush plane. It never got installed and it took him about 5 years to g= et the engine back.
 
I think when he saw my engine run on my airplane = he seriously regretted not taking me up on the 98 offer. He asked me if I'd= consider swapping engines, but no way at that point.
 
I didn=E2=80=99t realize he'd passed away. Your r= ight, that engine was a nice piece of work. Wonder what happened to it. Bet= its collecting dust somewhere.
 
Mike Wills
RV-4 N144MW

Sent: Monday, February 08, 2010 1:44 PM
Subject: [FlyRotary] Re: [Re][FlyRotary] More throttle now Scot= ty, we need it now

There was a guy here in San Diego named Maurice Brockington that = had spent a great deal of time and his own money to develop a rotary-based = engine. Had it tested many times.  Was targeting replacing turbines on= twins. Last I saw the engine it was on a stand at EAA Chater 14 - loo= ked beautiful.  I understand he died of cancer, It would great if we c= ould find his work. 
 
-------- Original Message --------
Subject: [Fl= yRotary] [Re][FlyRotary] More throttle now Scotty, we need
it now
Fro= m: "Jeff Luckey" <JLuckey@pacbell.net>
Date: Mon, February 08, 201= 0 11:03 am
To: "Rotary motors in aircraft" <flyrotary@lancaironline.n= et>

Lynn Hanover said:
 
The port timing on the Renesis appears to= be quite timid. I would like to see a bit of a developement program for an= aircraft specific engine with earlier opening and later closing of the int= ake port. Maintaining zero overlap is of no value in an airplane, and a big= improvement can be had with just a die grinder.
 = ;
 = ;
 = ;
 = ;
Lynn,
 = ;
You=E2=80= =99ve probably forgotten more about engines that I will ever know!
 = ;
Based on y= our quote above (I=E2=80=99m probably dangerous w/ a die grinder), but the = kind of mods you are suggesting seem pretty straight forward.  (beside= s, if I screw it up, it only costs me a rotor housing ;) =
 = ;
My questio= ns are:
 = ;
Q1.  = If you start to reshape intake ports on a Renesis, how much can you do befo= re you get into the water jacket?
 = ;
Q2.  = In a well-engineered aircraft installation, how much HP is a Renesis making= ?  In and RX-8 they are supposed to make about 225 HP.  Are aircr= aft installations getting that much?
 = ;
Q3. If mod= s that you suggest above are made to get intake/exhaust overlap, how much i= ncrease in HP can be expected in an aircraft installation?
 = ;
 = ;
Thanks for= sharing your expertise
 = ;
Jeff Lucke= y
 =
 = 

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