X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 917085 for flyrotary@lancaironline.net; Sat, 07 Jan 2006 21:48:13 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id k082lPWg021379 for ; Sat, 7 Jan 2006 21:47:26 -0500 (EST) Message-ID: <000d01c613fd$e2fa35a0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Renesis Horsepower Chart Date: Sat, 7 Jan 2006 21:47:37 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C613D3.F9EAF530" 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-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C613D3.F9EAF530 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Well, in that case 20% of 250Hp =3D 50 HP, so it appears you can have = that much loss. Surprised me! Ed ----- Original Message -----=20 From: kenpowell@comcast.net=20 To: Rotary motors in aircraft=20 Sent: Saturday, January 07, 2006 8:03 PM Subject: [FlyRotary] Re: Renesis Horsepower Chart Hi Bobby and Ed, The hot rod guys generally figure 15 to 20 percent. This has always = seemed like a lot to me but without a chassis dyno AND an engine dyno = I'll just have to take their word for it. Bet Bill Jepson knows for = sure!!! Ken Powell=20 Bryant, Arkansas=20 501-847-4721=20 C150 / RV-4 under construction -------------- Original message --------------=20 From: "Ed Anderson" =20 No, Bobby, I really do not have even a wag at HP losses in the = drive train. However, I seriously doubt its on the order of 50 HP - = that much heat would fry the transmission {:>). Ed ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Saturday, January 07, 2006 6:11 PM Subject: [FlyRotary] Re: Renesis Horsepower Chart Ed, This is the only chart I have seen that shows flywheel HP. I have = seen two or three rear wheel dyno charts that show between 190 and 204 = hp. These where with aftermarket exhausts and intake filter. The 204hp = was running a Mazdasport Interceptor ECU. This dyno chart did not show = rpms but showed MPH. I found one chart that showed peak hp at 178 at = 7300 rpms. This was a stock RX8 no mods at 500ft elevation. Racingbeat's = test show 8 hp improvement by removing the catalytic converter = regardless of muffler and 2 hp by improving the intake. So 204hp seems = like a reasonable number with modified exhaust, intake and an = aftermarket ECU. Any swags as what the HP loss is to rear wheels? Bobby (making cardboard intake) -------------------------------------------------------------------------= - From: Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On Behalf Of Ed Anderson Sent: Friday, January 06, 2006 2:23 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Renesis Horsepower Chart Correct in what sense, Bobby? It looks similar to charts I saw early on by Mazda showing the = output of the Stock Renesis to be 250HP. The trouble began, when other = folks started putting the=20 Renesis on dynos and could not get that much power. Mazda later = revised its HP for the Renesis downward to the 235 HP level at 9000 rpm. = =20 Remember you can peak and tweak a dyno installation to get numbers = that you would not normally see in operational usage. Others out there = with real dyno experience can verify this. FWIW Ed=20 Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com ----- Original Message -----=20 From: Bobby J. Hughes=20 To: Rotary motors in aircraft=20 Sent: Friday, January 06, 2006 2:35 PM Subject: [FlyRotary] Renesis Horsepower Chart Can anyone verify that this chart is correct or not?=20 Bobby ------------------------------------------------------------------------ -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_000A_01C613D3.F9EAF530 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Well, in that case 20% of 250Hp =3D 50 HP, so it = appears you=20 can have that much loss.  Surprised me!
 
Ed
----- Original Message -----
From:=20 kenpowell@comcast.net
Sent: Saturday, January 07, = 2006 8:03=20 PM
Subject: [FlyRotary] Re: = Renesis=20 Horsepower Chart

Hi Bobby and Ed,
The hot rod guys generally figure 15 to 20 percent.  This = has always=20 seemed like a lot to me but without a chassis dyno AND an engine dyno = I'll=20 just have to take their word for it.  Bet Bill Jepson knows for=20 sure!!!

Ken Powell
Bryant, Arkansas
501-847-4721
C150 / = RV-4=20 under construction
 
--------------=20 Original message --------------
From: "Ed Anderson"=20 <eanderson@carolina.rr.com>
No, Bobby,  I really do not have even a = wag at HP=20 losses in the drive train.  However, I seriously doubt its on = the order=20 of 50 HP - that much heat would fry the transmission = {:>).
 
Ed
 
----- Original Message ----- =
From:=20 Bobby = J.=20 Hughes
To: Rotary motors in = aircraft=20
Sent: Saturday, January 07, = 2006 6:11=20 PM
Subject: [FlyRotary] Re: = Renesis=20 Horsepower Chart

Ed,
 
This is the only chart I have seen that = shows=20 flywheel HP. I have seen two or three rear wheel dyno charts that = show=20 between 190 and 204 hp. These where with aftermarket exhausts and = intake=20 filter. The 204hp was running a Mazdasport Interceptor ECU. This = dyno=20 chart did not show rpms but showed MPH. I found one chart that = showed peak=20 hp at 178 at 7300 rpms. This was a stock RX8 no mods at 500ft = elevation.=20 Racingbeat's test show  8 hp improvement by removing the = catalytic=20 converter regardless of muffler and 2 hp by improving the intake.=20 So 204hp seems like a reasonable number with modified = exhaust,=20 intake and an aftermarket ECU.   Any swags as what the = HP loss=20 is to rear wheels?
 
Bobby
(making cardboard = intake)

From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net] On Behalf Of Ed=20 Anderson
Sent: Friday, January 06, 2006 2:23 = PM
To:=20 Rotary motors in aircraft
Subject: [FlyRotary] Re: = Renesis=20 Horsepower Chart

 
Correct in what sense, Bobby?
 
It looks similar to charts I saw early on = by Mazda=20 showing the output of the Stock  Renesis to be 250HP.  = The=20 trouble began, when other folks started putting the
Renesis on dynos and could not get that = much=20 power.  Mazda later revised its HP for the Renesis downward = to the=20 235 HP level at 9000 rpm. 
 
Remember you can peak and tweak a dyno = installation=20 to get numbers that you would not normally see in operational = usage. =20 Others out there with real dyno experience can verify = this.
 
FWIW
 
Ed
 
Ed Anderson
Rv-6A N494BW Rotary=20 Powered
Matthews, NC
eanderson@carolina.rr.com
----- Original Message ----- =
From:=20 Bobby J.=20 Hughes
To: Rotary motors in = aircraft=20
Sent: Friday, January 06, = 2006 2:35=20 PM
Subject: [FlyRotary] = Renesis=20 Horsepower Chart

Can anyone=20 verify that this chart is correct or not?
 
Bobby
 

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