X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [206.18.177.54] (HELO alnrmhc11.comcast.net) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1233718 for flyrotary@lancaironline.net; Wed, 12 Jul 2006 09:31:43 -0400 Received-SPF: none receiver=logan.com; client-ip=206.18.177.54; envelope-from=jesse@jessfarr.com Received: from office5 (c-68-59-223-112.hsd1.tn.comcast.net[68.59.223.112]) by comcast.net (alnrmhc14) with SMTP id <20060712133058b14002llr8e>; Wed, 12 Jul 2006 13:30:59 +0000 Message-ID: <003e01c6a5b7$69ea7890$0501a8c0@farr.com> From: "jesse farr" To: "Rotary motors in aircraft" Subject: Fw: [FlyRotary] Re: - piezo ignition Date: Wed, 12 Jul 2006 09:30:59 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003B_01C6A595.E26F6860" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 This is a multi-part message in MIME format. ------=_NextPart_000_003B_01C6A595.E26F6860 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Maybe us jokers are not too terribly far off after all. It seems like = such is being worked on right now, even as we hunt and peck. Oh well. = Now why can't that also be set up to operate fuel injectors where Ed can = then just use his cell phone, gravity feed tanks and an inertia starter. = jofarr, soddy tn >>> Mid=E9 Technology Corp. in Boston is currently developing an = innovative Piezo-electric Ignition and Sensing Device (PISD) under a = Phase II sponsorship from a NASA Glenn Research Center Small Business = Innovative Research (SBIR) Program (Contract No. NAS3-98054). The = patented invention (US Patent # 6,138,654) is a device that allows = pressure increases in the cylinder of an internal combustion engine to = strain piezo-electric elements. This strain generates a voltage across = the poles of the piezo, proportional to the change in cylinder pressure. = The voltage increases until it is sufficient to create an ignition spark = between the two electrodes of the spark plug. A separate electronic = controller, that monitors the voltage output from the piezo, controls = the spark timing. After ignition, the piezo continues to strain due to = the rapid increase in pressure during the combustion process. Sensing = the piezo voltage output after combustion provides valuable information = on the combustion cycle and may identify anomalies such as pre-ignition, = knock and misfires. <<< ----- Original Message -----=20 From: jesse farr=20 I thought that was to just indicate to us that you were piezoing on our = leg just a little. But, who knows, next week, the Dube may tell us how = it can be done, now that you have broached the subject.=20 jofarr, soddy tn ------=_NextPart_000_003B_01C6A595.E26F6860 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Maybe us jokers are not too terribly far off after all. It seems = like such=20 is being worked on right now, even as we hunt and peck. Oh well. Now why = can't=20 that also be set up to operate fuel injectors where Ed can then just use = his=20 cell phone, gravity feed tanks and an inertia starter. <g>

jofarr, soddy tn

>>> Mid=E9 Technology Corp. in Boston is currently = developing=20 an innovative Piezo-electric Ignition and Sensing Device (PISD) under a = Phase II=20 sponsorship from a NASA Glenn Research Center Small Business Innovative = Research=20 (SBIR) Program (Contract No. NAS3-98054). The patented invention (US = Patent #=20 6,138,654) is a device that allows pressure increases in the cylinder of = an=20 internal combustion engine to strain piezo-electric elements. This = strain=20 generates a voltage across the poles of the piezo, proportional to the = change in=20 cylinder pressure. The voltage increases until it is sufficient to = create an=20 ignition spark between the two electrodes of the spark plug. A separate=20 electronic controller, that monitors the voltage output from the piezo, = controls=20 the spark timing. After ignition, the piezo continues to strain due to = the rapid=20 increase in pressure during the combustion process. Sensing the piezo = voltage=20 output after combustion provides valuable information on the combustion = cycle=20 and may identify anomalies such as pre-ignition, knock and misfires.=20 <<<

----- Original Message -----=20

From: jesse = farr

I thought that was to just indicate to us that you were = piezoing=20 on our leg just a little. But, who knows, next week, the Dube may tell = us how it=20 can be done, now that you have broached the subject.

jofarr, soddy tn

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