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 5.4.0) with ESMTP id 5061784 for flyrotary@lancaironline.net; Sun, 24 Jul 2011 07:54:14 -0400 Received-SPF: none receiver=logan.com; client-ip=69.18.32.37; envelope-from=rob@mum.edu Received: from robertsdellxp (76-76-232-239.lisco.net [76.76.232.239]) by lincoln.lisco.com (Postfix) with SMTP id 131452BEE7 for ; Sun, 24 Jul 2011 06:53:39 -0500 (CDT) Message-ID: From: "Rob" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Flexplate Fix Date: Sun, 24 Jul 2011 06:53:39 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01CC49CE.6B1B1790" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 This is a multi-part message in MIME format. ------=_NextPart_000_0015_01CC49CE.6B1B1790 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Tracy, Any chance we might see you at Oshkosh with your new RV8? Robert B ----- Original Message -----=20 From: Tracy=20 To: Rotary motors in aircraft=20 Sent: Saturday, July 23, 2011 9:20 PM Subject: [FlyRotary] Re: Flexplate Fix "I am looking forward to a little more weight on the flywheel. I am = hoping that it will further smooth out my idle. Dave Leonard" The heavier flywheel should help but there is more to it than that. I was contracted to provide ECUs for the Itec Maverick, a powered = parachute / car. =20 I recently learned a lot about idle requirements on engines without a = propeller load when I visited their factory to work out tuning for the = engine without a prop load (in ground mode).=20 Been working on a new idle control strategy for the EC2/3 that I = think will greatly improve the minimum idle speed and smoothness of the = engine at low RPM. Because it wasn't really needed in the past, I did = not have a separate idle strategy in the EC3. I'll report more when = it's all worked out. BTW, this is the first flying car I've seen that kicks ass on the = ground! =20 Tracy On Sat, Jul 23, 2011 at 8:50 PM, David Leonard = wrote: I the the idea of the RX8 plate being thicker may be a mis-nomer. = Someone reported the 13B plate as 0.065, but I measure mine at 0.08. = That is about the same reported thickness as theRX8 plate. =20 That being said, the renisis plate is shaped better (more conical), = and does not have the nasty lightning holes that exist in the 13B plate, = so it would still clearly be an improvement. If Tracy changed his = damper plate a little, it would be the easiest, lightest, and generally = cheapest fix. Given that the 13B plate has held up for a lot of hours = in a lot of aircraft, it may very well be sufficient. I am looking forward to a little more weight on the flywheel. I am = hoping that it will further smooth out my idle. Dave Leonard On Sat, Jul 23, 2011 at 5:04 PM, Mark Steitle = wrote: Kelly,=20 Its on hold waiting to hear how the flywheel fix works out. While = heavier by a few pounds, I feel that it is the most durable of any of = the solutions discussed to date. =20 Also, I really liked the idea of Tracy coming up with a way to use = the thicker RX-8 flexplate. Whatever we work out, for insurance = reasons, it ought to be "blessed" by Tracy as the official RWS upgrade. Mark =20 On Sat, Jul 23, 2011 at 6:52 PM, Kelly Troyer = wrote: Mark, Been bugging Dave now how is your flexplate fix going = ??........... Kelly Troyer "DYKE DELTA JD2" (Eventually) "13B ROTARY"_ Engine "RWS"_RD1C/EC2/EM2 "MISTRAL"_Backplate/Oil Manifold "TURBONETICS"_TO4E50 Turbo --=20 David Leonard Turbo Rotary RV-6 N4VY http://N4VY.RotaryRoster.net http://RotaryRoster.net ------=_NextPart_000_0015_01CC49CE.6B1B1790 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Tracy,
Any chance we might see you at Oshkosh = with your=20 new RV8?
Robert B
----- Original Message -----
From:=20 Tracy
Sent: Saturday, July 23, 2011 = 9:20=20 PM
Subject: [FlyRotary] Re: = Flexplate=20 Fix

"I am looking forward to a little more weight on the=20 flywheel.  I am hoping that it will further smooth out my=20 idle.

Dave Leonard"


The heavier flywheel = should help=20 but there is more to it than that.

I was contracted to provide = ECUs for=20 the Itec Maverick, a powered parachute / car.  
I recently = learned a=20 lot about idle requirements on engines without a propeller load when I = visited=20 their factory to work out tuning for the engine without a prop load = (in ground=20 mode).
  Been working on a new idle control strategy for the = EC2/3=20 that I think will greatly improve the minimum idle speed and = smoothness of the=20 engine at low RPM.   Because it wasn't really needed in the = past, I=20 did not have a separate idle strategy in the EC3.  I'll = report=20 more when it's all worked out.

BTW, this is the first flying = car I've=20 seen that kicks ass on the ground! 

Tracy


On Sat, Jul 23, 2011 at 8:50 PM, David = Leonard <wdleonard@gmail.com> = wrote:
I the the idea of the RX8 plate being thicker may = be a=20 mis-nomer.  Someone reported the 13B plate as 0.065, but I = measure mine=20 at 0.08.  That is about the same reported thickness as theRX8=20 plate. 

That being said, the renisis plate is shaped = better=20 (more conical), and does not have the nasty lightning holes that = exist in=20 the 13B plate, so it would still clearly be an improvement.  If = Tracy=20 changed his damper plate a little, it would be the easiest, = lightest, and=20 generally cheapest fix.  Given that the 13B plate has held up = for a lot=20 of hours in a lot of aircraft, it may very well be = sufficient.

I am=20 looking forward to a little more weight on the flywheel.  I am = hoping=20 that it will further smooth out my idle.

Dave Leonard


On Sat, Jul 23, 2011 at 5:04 PM, Mark = Steitle <msteitle@gmail.com> wrote:
Kelly, 

Its on hold waiting to hear how the flywheel fix works out.=20  While heavier by a few pounds, I feel that it is the most = durable of=20 any of the solutions discussed to date.  

Also, I really liked the idea of Tracy coming up with a way = to use=20 the thicker RX-8 flexplate.  Whatever we work out, for = insurance=20 reasons, it ought to be "blessed" by Tracy as the official RWS=20 upgrade.

Mark    

On Sat, Jul 23, 2011 at 6:52 PM, Kelly = Troyer <keltro@att.net> wrote:
Mark,
  Been bugging Dave now how is your flexplate = fix going=20 ??...........
 
Kelly Troyer
"DYKE DELTA JD2" = (Eventually)
"13B ROTARY"_=20 Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil = Manifold
"TURBONETICS"_TO4E50=20 = Turbo



--
David=20 Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net
=
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