X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 07 Jan 2008 00:29:54 -0500 Message-ID: X-Original-Return-Path: Received: from smtp110.sbc.mail.mud.yahoo.com ([68.142.198.209] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with SMTP id 2632349 for lml@lancaironline.net; Sat, 05 Jan 2008 15:14:03 -0500 Received-SPF: none receiver=logan.com; client-ip=68.142.198.209; envelope-from=elippse@sbcglobal.net Received: (qmail 19490 invoked from network); 5 Jan 2008 20:13:26 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MIMEOLE; b=On7pS5ap98ug/CDzSr7xWA5pG6faSPfLU9e7h7DBZxS5x5c5IwRax+lF4HcUBrRrHagNQeAYbb9BGfz+DXLDaz1uj4kePBc7jy9BHIrtprSoswvWjImwRt+7YyjGVLKqUgWqDHRnyeoW7nEvYvoKYF/zxtNeHufdxbOqw6hQ2uw= ; Received: from unknown (HELO Computerroom) (elippse@sbcglobal.net@75.15.146.233 with login) by smtp110.sbc.mail.mud.yahoo.com with SMTP; 5 Jan 2008 20:13:25 -0000 X-YMail-OSG: eHyknd4VM1njXYU218VZODswRHdyF22d3iGT24SiqtqSoDE8YNdjFaM3ioCLPLnt5Fyn6moZkA-- X-Original-Message-ID: <002301c84fd7$723b7000$e9920f4b@Computerroom> From: "Paul Lipps" X-Original-To: "Marv Kaye" Subject: PRISM X-Original-Date: Sat, 5 Jan 2008 12:13:27 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0020_01C84F94.614F4C00" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0020_01C84F94.614F4C00 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Prism! Prism! Prism! 'Sorta reminds me of a friend who won't buy a new = computer because he's so sure that as soon as he buys one, someone else = will come along with a computer for sale that's faster, has more memory, = and costs less. PLASMA uses MAP and rpm to determine timing, and Klaus = has taken a very conservative approach, even 'tho he's a liberal, to = avoid any timing that could result in detonation - pre-ignition. This = timing curve is a result of his many hours of experimentation, and is = proprietary, so he's obviously not going to give it out! This timing may = not be the absolute best obtained by measuring individual cylinder = pressures and adjusting individual cylinder ignition timing to get right = up next to this very-best-of-all-worlds timing where LPP, location of = peak pressure, is at 14 deg ATDC, but consider how much more complex and = costly that approach must be; more sensors to go bad, more wiring to = break. Let's see. If you lose one sensor, and the other 3 or 5 are at = peak, and this one is at something less than peak, will the engine still = run smoothly? Will having every cylinder pressure sensor working before = takeoff be a requirement, and how will it be tested on run-up? The = PLASMA is a simple but very good analog EI, and a lot of it is due to = its NOT being digital! Go on the VANS forum, and read all of the = postings about a very popular ignition system that's up to V25 or V26 of = its software. Would you like to keep sending in your ignition system for = updating every time a new software bug is discovered? Has your home = computer ever gone off to Never-Never Land? I've designed digital with DCTL, RTL, TTL, ECL, and CMOS, and I've = designed analog circuits from DC to X-band, and I know the pluses and = minuses of each. I worked on four different computers that were used for = the guidance of the Atlas ICBM, Titan range safety, guidance of the = Atlas used for re-entry vehicle testing, and guidance of the Atlas = Space Booster - the Burroughs J3, IBM 7088 and 7090, and Harris /4. I've = always pointed out to my digital-only compatriots that digital is just = analog driven to saturation and cut-off! And when they get into the high = speed stuff, they'd better know about analog stuff like transmission = lines and reflections and capacitive loading and wire inductance. So, what is the latest release date of PRISM? ------=_NextPart_000_0020_01C84F94.614F4C00 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Prism! Prism! Prism! 'Sorta reminds me of a = friend=20 who won't buy a new computer because he's so sure that as soon as he = buys one,=20 someone else will come along with a computer for sale that's = faster, has=20 more memory, and costs less. PLASMA uses MAP and rpm to determine = timing, and=20 Klaus has taken a very conservative approach, even 'tho he's a liberal, = to avoid=20 any timing that could result in detonation - pre-ignition. This timing = curve is=20 a result of his many hours of experimentation, and is proprietary, so = he's=20 obviously not going to give it out! This timing may not be the = absolute=20 best obtained by measuring individual cylinder pressures and = adjusting=20 individual cylinder ignition timing to get right up next to this=20 very-best-of-all-worlds timing where LPP, location of peak = pressure, is at=20 14 deg ATDC, but consider how much more complex and costly that approach = must=20 be; more sensors to go bad, more wiring to break. Let's see. If you lose = one=20 sensor, and the other 3 or 5 are at peak, and this one is at something = less than=20 peak, will the engine still run smoothly? Will having every cylinder = pressure=20 sensor working before takeoff be a requirement, and how will it be = tested on=20 run-up? The PLASMA is a simple but very good analog EI, and a = lot of=20 it is due to its NOT being digital! Go on the VANS forum, and read = all of=20 the postings about a very popular ignition system that's up to V25 or = V26 of=20 its software. Would you like to keep sending in your ignition = system for=20 updating every time a new software bug is discovered? Has your home = computer=20 ever gone off to Never-Never Land?
    I've designed digital with = DCTL, RTL,=20 TTL, ECL, and CMOS, and I've designed analog circuits from DC to = X-band,=20 and I know the pluses and minuses of each. I worked on four different = computers=20 that were used for the guidance of the Atlas ICBM, Titan range safety, = guidance=20 of the Atlas used for re-entry vehicle testing,  and guidance=20 of the Atlas Space Booster - the Burroughs J3, IBM 7088 and 7090, = and=20 Harris /4. I've always pointed out to my digital-only compatriots that = digital=20 is just analog driven to saturation and cut-off! And when they get into=20 the high speed stuff, they'd better know about analog stuff = like=20 transmission lines and reflections and capacitive loading and wire=20 inductance.
    So, what is the latest = release date of=20 PRISM?
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