X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from imo-m28.mx.aol.com ([64.12.137.9] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2021451 for flyrotary@lancaironline.net; Wed, 02 May 2007 10:40:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.9; envelope-from=Lehanover@aol.com Received: from Lehanover@aol.com by imo-m28.mx.aol.com (mail_out_v38_r9.2.) id q.cc3.ea2a32c (45781) for ; Wed, 2 May 2007 10:39:06 -0400 (EDT) Received: from MBLK-M10 (mblk-m10.mblk.aol.com [64.12.136.43]) by ciaaol-m01.mx.aol.com (v115.11) with ESMTP id MAILCIAAOLM015-b2d54638a28a26b; Wed, 02 May 2007 10:39:06 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Re: Can anyone tell me if this will work Date: Wed, 02 May 2007 10:39:06 -0400 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: lehanover@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8C95ADEC57708F3_1388_7DCA_MBLK-M10.sysops.aol.com" X-Mailer: AOL WebMail 25698 Received: from 67.101.110.221 by MBLK-M10.sysops.aol.com (64.12.136.43) with HTTP (WebMailUI); Wed, 02 May 2007 10:39:06 -0400 Message-Id: <8C95ADEC57708F3-1388-44F5@MBLK-M10.sysops.aol.com> X-AOL-IP: 64.12.136.43 X-Spam-Flag: NO ----------MB_8C95ADEC57708F3_1388_7DCA_MBLK-M10.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii" -----Original Message----- From: atlasyts@bellsouth.net To: flyrotary@lancaironline.net Sent: Wed, 2 May 2007 4:49 AM Subject: [FlyRotary] Re: Can anyone tell me if this will work Tony, where you are planning to install the secondary injectors? The engine work looks beautiful BTW. Bulent "Buly" Aliev FXE Ft lauderdale, FL http://tinyurl.com/dcy36 Will it work? Almost anything will work. The nice thing about a longer system is that you can miss the tuned length and stll run around for years complaining about rotary engines having little power. Once you have it flying, it becomes its own test stand and changes can be evaluated. If the buterflys were in the flanges, it would be close to ideal for 10,000 RPM. I have a 1/4" spacer below the carb to get best power at 9,400 RPM. The other down side of a very short system is that it may have a happy spot right outside the end of the runners where you want to run all of the time. This could mean a standing ball of fuel or a resonent that shakes even the thickest air filter housing to pieces in short order. Short systems tend to have very well defined RPM peaks where long systems tend to null out well defined peaks, and are thus a bit easyier to tune. As with the exhaust system great care should be used to get both inlet tracts the very same length. The porting (closing point) should determine where the engine will have best power, and that should be right above planned cruise RPM. Between best torque and best HP. Build it. Buy some dyno time. Learn more in 5 minutes than flying it for a month. Lynn E. Hanover -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html ________________________________________________________________________ AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com. ----------MB_8C95ADEC57708F3_1388_7DCA_MBLK-M10.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="us-ascii"

 
 
-----Original Message-----
From: atlasyts@bellsouth.net
To: flyrotary@lancaironline.net
Sent: Wed, 2 May 2007 4:49 AM
Subject: [FlyRotary] Re: Can anyone tell me if this will work

Tony, where you are planning to install the secondary injectors? The engine work looks beautiful BTW. 
Bulent "Buly" Aliev 
FXE Ft lauderdale, FL 
 http://tinyurl.com/dcy36 
 
Will it work?

Almost anything will work. The nice thing about a longer system is that you can miss the tuned length and stll run around for years complaining about rotary engines having little power. Once you have it flying, it becomes its own test stand and changes can be evaluated.

If the buterflys were in the flanges, it would be close to ideal for 10,000 RPM. I have a 1/4" spacer below the carb to get best power at 9,400 RPM.

The other down side of a very short system is that it may have a happy spot right outside the end of the runners where you want to run all of the time. This could mean a standing ball of fuel or a resonent that shakes even the thickest air filter housing to pieces in short order.

Short systems tend to have very well defined RPM peaks where long systems tend to null out well defined peaks, and are thus a bit easyier to tune. As with the exhaust system great care should be used to get both inlet tracts the very same length.

The porting (closing point) should determine where the engine will have best power, and that should be right above planned cruise RPM. Between best torque and best HP.

Build it. Buy some dyno time. Learn more in 5 minutes than flying it for a month.


Lynn E. Hanover
 
 
 
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