Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP id 818194 for flyrotary@lancaironline.net; Wed, 23 Mar 2005 22:10:12 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.103; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-185-127.carolina.rr.com [24.74.185.127]) by ms-smtp-04-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j2O39OCi000457 for ; Wed, 23 Mar 2005 22:09:25 -0500 (EST) Message-ID: <001d01c5301e$e5b9fa50$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: New to the list, and some questions. Date: Wed, 23 Mar 2005 22:09:30 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01C52FF4.FCB1BEC0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_001A_01C52FF4.FCB1BEC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageI agree with you Rusty. I have hit 6800 rpm with my old 13B and = believe that if you took a 13B and spent another 600 on lightening and = balancing the rotating mechanism for say 9000 rpm, you would produce at = least as much power as the Renesis. On the other hand my "New" model is = already 14 years old, so if starting from scratch, I would probably go = for a junkyard Renesis. Still waiting for the first RX-8 in this area = to get rear-ended (no injuries of course). Going to take a long nap! Yawn Ed Truth be told, I don't think the Renesis will really outrun the 13B in = our rpm range. I think Mazda just made a better intake, and turned up = the rpms. There are certainly some improvements in the Renesis, but = it's not light years ahead in performance. It's absolutely possible to = get 200 HP from a 13B at less than 7500 rpm, with nothing more than a = street port, and a decent intake and exhaust. Tracy was doing it, and = I expect to be as well. All that being said, the Renesis is clearly the = future of the rotary, and there's no downside with the exception of a = bit higher price at the moment. I think the Renesis is a slam-dunk = choice for folks starting out now. =20 Cheers, Rusty (must be Ed's nap time) Mazda 13B rotary powered RV-3 (flying) Kolb Slingshot (Mazda single rotor project) Sonerai-IIL (next project in line) ------=_NextPart_000_001A_01C52FF4.FCB1BEC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
I agree with you Rusty.  I = have hit 6800=20 rpm with my old 13B and believe that if you took a 13B and spent = another=20 600 on lightening and balancing the rotating mechanism for say 9000 rpm, = you=20 would produce at least as much power as the Renesis.  On the other = hand my=20 "New" model is already 14 years old, so if starting from scratch, I = would=20 probably go for a junkyard Renesis.  Still waiting for the first = RX-8 in=20 this area to get rear-ended (no injuries of course).
 
Going to take a long nap! = Yawn
 
Ed
 
 Truth be = told, I don't=20 think the Renesis will really outrun the 13B in our rpm range.  I = think=20 Mazda just made a better intake, and turned up the rpms.  There are = certainly some improvements in the Renesis, but it's not light years = ahead in=20 performance.   It's absolutely possible to get 200 HP from a = 13B at=20 less than 7500 rpm, with nothing more than a street port, and a decent = intake=20 and exhaust.   Tracy was doing it, and I expect to be as=20 well.  All that being said, the Renesis is clearly the future = of the=20 rotary, and there's no downside with the exception of a bit higher = price at=20 the moment.  I think the Renesis is a slam-dunk choice for folks = starting=20 out now. 
Cheers,
Rusty (must be Ed's nap=20 time)
Mazda 13B rotary powered = RV-3=20 (flying)
Kolb Slingshot (Mazda = single rotor=20 project)
Sonerai-IIL (next = project in=20 = line)
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