X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [65.54.250.75] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1124723 for flyrotary@lancaironline.net; Tue, 23 May 2006 09:56:08 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.250.75; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 23 May 2006 06:55:21 -0700 Message-ID: Received: from 4.171.147.128 by BAY115-DAV3.phx.gbl with DAV; Tue, 23 May 2006 13:55:20 +0000 X-Originating-IP: [4.171.147.128] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Questions from a potential rotaryphile Date: Tue, 23 May 2006 09:55:17 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003C_01C67E4E.FE94C7B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.20.0026.0800 Seal-Send-Time: Tue, 23 May 2006 09:55:17 -0400 X-OriginalArrivalTime: 23 May 2006 13:55:21.0620 (UTC) FILETIME=[88620540:01C67E70] This is a multi-part message in MIME format. ------=_NextPart_000_003C_01C67E4E.FE94C7B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: WRJJRS@aol.com=20 To: Rotary motors in aircraft=20 Sent: Tuesday, May 23, 2006 1:09 AM Subject: [FlyRotary] Re: Questions from a potential rotaryphile Kelly,=20 And all, The Powersport system used in the test did NOT have leaning = capacity. The Powersport principle owner reported on the other list. Hen = said the system was far from optimized. He also commented the next = system will allow +- 10% on mixture. The comment was also made that the = new exhaust system is much quieter. The original was 92-93 DB at 50' = which is loud. The new system is expansive but reported to be 89 DB = which is much quieter. For aircraft use tuning will result in much = better fuel burns. We also seem to need to be sure to have somekind of = dynamic mixture control. Bill Jepson My main complaint about the Powersport / Lyc comparo article was that = they kept referring to the Powersport system as FADEC. It is NOT FADEC = nor did it have leaning capability. The 'FA' in FADEC stands for Full = Authority. If the pilot is directly linked to the throttle plate of = the engine, the ECU does not have 'Full Authority' to manage the system. = I've explained why this is important in past messages, no time to = repeat it now, but it is a vitally important point. BTW, + - 10% is not NEAR enough range for the rotary. The EC2 allows = + - 33%. The + 33 is more than enough but the -33 is definitely needed. The only other complaint with the article was the comment about me = "bragging that my engine cost less than my head sets". I said that = about my first engine. When it's true, it ain't bragging. Tracy ------=_NextPart_000_003C_01C67E4E.FE94C7B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
To: Rotary motors in = aircraft
Sent: Tuesday, May 23, 2006 = 1:09 AM
Subject: [FlyRotary] Re: = Questions from a=20 potential rotaryphile

Kelly,
And all, The Powersport system used in the test did NOT have = leaning=20 capacity. The Powersport principle owner reported on the other list. = Hen said=20 the system was far from optimized. He also commented the next system = will=20 allow +- 10% on mixture. The comment was also made that the new = exhaust system=20 is much quieter. The original was 92-93 DB at 50' which is loud. The = new=20 system is expansive but reported to be 89 DB which is much quieter. = For=20 aircraft use tuning will result in much better fuel burns. We also = seem to=20 need to be sure to have somekind of dynamic mixture control.
Bill Jepson
 
 
My main complaint about the Powersport / Lyc comparo article was = that=20 they kept referring to the Powersport system as FADEC.  It is NOT = FADEC=20 nor did it have leaning capability.  The 'FA' in FADEC stands for = Full=20 Authority.   If the pilot is directly linked to the throttle = plate=20 of the engine, the ECU does not have 'Full Authority' to manage = the=20 system.   I've explained why this is important in past = messages, no=20 time to repeat it now, but it is a vitally important =  point.
 
BTW, + - 10% is not NEAR enough range for the rotary.  The = EC2=20 allows + - 33%.  The + 33 is more than enough but the -33 is = definitely=20 needed.
 
The only other complaint with the article was the comment about = me=20 "bragging that my engine cost less than my head sets".   I = said that=20 about my first engine.  When it's true, it ain't bragging.
 
Tracy 
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