X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da06.mx.aol.com ([205.188.169.203] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4366042 for flyrotary@lancaironline.net; Tue, 22 Jun 2010 01:23:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.169.203; envelope-from=WRJJRS@aol.com Received: from imo-da03.mx.aol.com (imo-da03.mx.aol.com [205.188.169.201]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id o5M5Mknp012499 for ; Tue, 22 Jun 2010 01:22:46 -0400 Received: from WRJJRS@aol.com by imo-da03.mx.aol.com (mail_out_v42.9.) id q.da7.861dc4b (45498) for ; Tue, 22 Jun 2010 01:22:30 -0400 (EDT) Received: from magic-m17.mail.aol.com (magic-m17.mail.aol.com [172.21.147.70]) by cia-mc08.mx.aol.com (v129.4) with ESMTP id MAILCIAMC085-b1ba4c2048961c7; Tue, 22 Jun 2010 01:22:30 -0400 From: WRJJRS@aol.com Message-ID: <4d77d.30a41ae2.3951a296@aol.com> Date: Tue, 22 Jun 2010 01:22:30 EDT Subject: Re: [FlyRotary] Re: 13B rotary engines To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4d77d.30a41ae2.3951a296_boundary" X-Mailer: 9.0 SE for Windows sub 5046 X-AOL-ORIG-IP: 75.210.99.241 X-AOL-IP: 172.21.147.70 X-Spam-Flag:NO X-AOL-SENDER: WRJJRS@aol.com --part1_4d77d.30a41ae2.3951a296_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 6/21/2010 5:12:31 PM Pacific Daylight Time, tracy@rotaryaviation.com writes: I hate to ask, but what about the Dynamic Intake effect in the PP with a traditional log-type manifold? If you think about the meaning and function of the Dynamic effect, you will see that it is mutually exclusive with the traditional log-type manifold. the 'log' is a plenum chamber which inherently damps out the dynamic waves and reflections in a DIE intake system. The timing, length, etc would be different than for the sideport DIE setup that Ed Anderson did so much work on. I won't even pretend to have any idea what the proper parameters are for a PP DIE setup. Tracy Tracy, I was leaving work and didn't understand his question. I interpreted it as ram tuning effect which is very possible using a log plenum, it just depends on the inlet tubes. If you wanted to work out a manifold to use the DIE it should be possible but you're right Tracy it wouldn't be a conventional log manifold of course. But like dead reckoning I really dislike the name! Bill Jepson --part1_4d77d.30a41ae2.3951a296_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 6/21/2010 5:12:31 PM Pacific Daylight Time,=20 tracy@rotaryaviation.com writes:
I hate= to ask, but=20 what about the Dynamic Intake effect in the PP with a traditional log-ty= pe=20 manifold?

If you think about the meaning and function of the= =20 Dynamic effect, you will see that it is mutually exclusive with the=20 traditional log-type manifold.   the 'log' is a plenum chamber= which=20 inherently damps out the dynamic waves and reflections in a DIE intake= =20 system.

The timing, length, etc would be different than for the= =20 sideport DIE setup that Ed Anderson did so much work on.  I won't= even=20 pretend to have any idea what the proper parameters are for a PP DIE=20 setup.

Tracy
Tracy,
 I was leaving work and didn't understand his question. I interp= reted=20 it as ram tuning effect which is very possible using a log plenum, it just= =20 depends on the inlet tubes. If you wanted to work out a manifold to use th= e DIE=20 it should be possible but you're right Tracy it wouldn't be a conventional= log=20 manifold of course. But like dead reckoning I really dislike the name!
Bill Jepson
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