Return-Path: Received: from [65.54.169.74] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2b4) with ESMTP id 130493 for flyrotary@lancaironline.net; Fri, 04 Jun 2004 16:39:42 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 4 Jun 2004 13:27:50 -0700 Received: from 4.171.174.163 by bay3-dav44.bay3.hotmail.com with DAV; Fri, 04 Jun 2004 20:27:50 +0000 X-Originating-IP: [4.171.174.163] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Turbo boost limits in the EC2 Date: Fri, 4 Jun 2004 16:27:44 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0090_01C44A50.DD3825A0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Message-ID: X-OriginalArrivalTime: 04 Jun 2004 20:27:50.0454 (UTC) FILETIME=[67FC6D60:01C44A72] This is a multi-part message in MIME format. ------=_NextPart_000_0090_01C44A50.DD3825A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Wednesday, June 02, 2004 6:16 PM Subject: [FlyRotary] Re: Turbo boost limits in the EC2 Ken Welter told me that it works for him, however I haven't = heard back from him. I don't know if there is an easy way to confirm = this. Any volunteers? The other thing we have to ask is what ignition controller is Ken = using? If he's not using Tracy's then all bets are off. Mazda times = these plugs differently, but I'm pretty sure that Tracy times them the = same. Turning off the trailing plugs with an EC-2 might not do a thing, = or it might work better. I just don't know. =20 Tracy already has a timing advance feature (mode 6), that can be used = as a timing retard of 4 degrees at whatever MAP setting you want. I'm = not sure that's enough change though. If there's going to be a new = feature, why not make something more along the lines of a significant = timing retard that happens at a set MAP. This would stop detonation, as = well as notify you via reduced power that you had crossed the line. =20 Cheers, Rusty (wish I could go to Mojave to watch the space flight)=20 Mode 6 went away Rusty. The EC2 now has a turbo boost retard built in = that linearly retards timing between 32 to 60" Hg. Nominal timing is 13 = deg BTDC by the time it reaches 60" MAP. This is to avoid detonation. Tracy (wants to go to Mojave too) ------=_NextPart_000_0090_01C44A50.DD3825A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Wednesday, June 02, 2004 = 6:16=20 PM
Subject: [FlyRotary] Re: Turbo = boost=20 limits in the EC2

        Ken Welter told me that it works for him, = however I haven't=20 heard back from him. I don't know if there is an easy way to confirm = this. Any=20 volunteers?

 The other thing we have to ask is=20 what ignition controller is Ken using?  If he's not using = Tracy's=20 then all bets are off.  Mazda times these plugs differently, = but I'm=20 pretty sure that Tracy times them the same.  Turning off the = trailing=20 plugs with an EC-2 might not do a thing, or it might work = better.  I=20 just don't know.  

Tracy already has a timing = advance feature=20 (mode 6), that can be used as a timing retard of 4 degrees at whatever = MAP=20 setting you want.  I'm not sure that's enough change = though.  =20 If there's going to be a new feature, why not make something more = along the=20 lines of a significant timing retard that happens at a set=20 MAP.  This would stop detonation, as well as notify=20 you via reduced power that you had crossed the=20 line.  

Cheers,

Rusty (wish I could go to Mojave to watch = the space=20 flight) 

Mode 6=20 went away Rusty.  The EC2 now has a turbo boost retard built in = that=20 linearly retards timing between 32 to 60" Hg.  Nominal timing is = 13 deg=20 BTDC by the time it reaches 60" MAP.   This is to avoid=20 detonation.

Tracy  (wants to go to Mojave=20 too)

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