X-Virus-Scanned: clean according to Sophos on Logan.com From: "Bill Bradburry" Received: from vms173019pub.verizon.net ([206.46.173.19] verified) by logan.com (CommuniGate Pro SMTP 6.1.8) with ESMTPS id 8357112 for flyrotary@lancaironline.net; Tue, 26 Jan 2016 12:39:11 -0500 Received-SPF: pass receiver=logan.com; client-ip=206.46.173.19; envelope-from=bbradburry@verizon.net Received: from Desktop ([173.71.14.135]) by vms173019.mailsrvcs.net (Oracle Communications Messaging Server 7.0.5.32.0 64bit (built Jul 16 2014)) with ESMTPA id <0O1K0034JMCIVP00@vms173019.mailsrvcs.net> for flyrotary@lancaironline.net; Tue, 26 Jan 2016 11:38:42 -0600 (CST) X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=J+9Xl1TS c=1 sm=1 tr=0 a=YsSROtz1JO3+GnD2bqMDlQ==:117 a=7aQ_Q-yQQ-AA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=Ia-xEzejAAAA:8 a=zBqpAl4fYYK0KV545IQA:9 a=CjuIK1q_8ugA:10 a=SSmOFEACAAAA:8 a=yMhMjlubAAAA:8 a=LzyODgiQcNwlSey2twEA:9 a=GiU45VrbHG-u_tCb:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=frz4AuCg-hUA:10 a=ZHUsY8zHUz0Vp2Os_2YA:9 a=1Vq_FK4TplAA:10 To: "'Rotary motors in aircraft'" References: In-reply-to: Subject: RE: [FlyRotary] Re: parts upgrade; was: What do you think may be happening? Date: Tue, 26 Jan 2016 11:38:51 -0600 Message-id: <23639B53344A49F8A80E2F5843EBEA28@Desktop> MIME-version: 1.0 Content-type: multipart/related; boundary="----=_NextPart_000_000C_01D1582E.211D6710" X-Mailer: Microsoft Office Outlook 11 Thread-index: AdFYUidH5dc+fVGbRXCbxMpOZO1USgADVfrg X-MIMEOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01D1582E.211D6710 Content-Type: multipart/alternative; boundary="----=_NextPart_001_000D_01D1582E.211E0350" ------=_NextPart_001_000D_01D1582E.211E0350 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Jeff, If you are below staging, ~1400 rpm and you independently enable CS, PRI and SEC injectors should deliver fuel because EC2 knows both have power ON and your MP is low - this is Cold Start region. If, Changing your scenario above to say "independently disable primary injectors which will shut them off, and has shown to ground the pin 30, which turns on cold start", if fuel flow stops and the engine dies does this mean the EC-2 has a problem? Bill _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Tuesday, January 26, 2016 9:41 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: parts upgrade; was: What do you think may be happening? Bill: The answer to your question is the EC2 only cares what the pin 30 state IS, in conjunction with which injectors are being supplied power plus what your MP and RPM are. With the DPDT switches you are always disabling one set of injectors and enabling Cold Start simultaneously - if they are wired correctly, as per EC2 manual. If you are below staging, ~1400 rpm and you disable the SEC injectors/enable CS, nothing should happen because the EC2 knows you have turned OFF power to the SEC and your MP is low. If you are below staging, ~1400 rpm and you independently enable CS, PRI and SEC injectors should deliver fuel because EC2 knows both have power ON and your MP is low - this is Cold Start region. There really is no reason to go above staging (high MP/RPM region) to prove the CS feature in conjunction with MP, RPM and INJ power are working correctly. Jeff From: Bill Bradburry Subject: RE: [FlyRotary] Re: parts upgrade; was: What do you think may be happening? Date: Mon, 25 Jan 2016 15:07:58 -0600 To: 'Rotary motors in aircraft' Message Header Undecoded Message Steve, Ok, when you turn on the disable switches, they ground the pin 30 input on the EC-2 to the case of the EC-2. When you turn on cold start, you ground the pin 30 to the case. How the heck does the EC-2 know the difference so that it can act differently??? Bill This message, and the documents attached hereto, is intended only for the addressee and may contain privileged or confidential information. Any unauthorized disclosure is strictly prohibited. If you have received this message in error, please notify us immediately so that we may correct our internal records. Please then delete the original message. Thank you. ------=_NextPart_001_000D_01D1582E.211E0350 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Jeff,

 

If you are below staging, ~1400 = rpm and you independently enable CS, PRI and SEC injectors should deliver fuel = because EC2 knows both have power ON and your MP is low – this is Cold = Start region.

 

If,

Changing your scenario above to say = “independently disable primary injectors which will shut them off, and has shown to = ground the pin 30, which turns on cold start”,  if fuel flow stops and = the engine dies does this mean the EC-2 has a = problem?

 

Bill

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net]
Sent: Tuesday, January = 26, 2016 9:41 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = parts upgrade; was: What do you think may be happening?

 

Bill:

The answer to your question is = the EC2 only cares what the pin 30 state IS, in conjunction with which injectors = are being supplied power plus what your MP and RPM = are.

With the DPDT switches you are = always disabling one set of injectors and enabling Cold Start simultaneously = – if they are wired correctly, as per EC2 = manual.

If you are below staging, ~1400 = rpm and you disable the SEC injectors/enable CS, nothing should happen because = the EC2 knows you have turned OFF power to the SEC and your MP is = low.

If you are below staging, ~1400 = rpm and you independently enable CS, PRI and SEC injectors should deliver fuel = because EC2 knows both have power ON and your MP is low – this is Cold = Start region.

There really is no reason to go = above staging (high MP/RPM region) to prove the CS feature in conjunction with = MP, RPM and INJ power are working correctly.

Jeff =

 <= /p>

From:

Bill Bradburry = <flyrotary@lancaironline.net>

Subject:

RE: [FlyRotary] Re: parts upgrade; was: What do you think may be = happening?

Date:

Mon, 25 Jan 2016 15:07:58 -0600

To:

'Rotary motors in aircraft' <flyrotary@lancaironline.net>

3D"Message

3D"Undecoded

Steve,

 Ok, when you turn on the disable switches, they = ground the pin 30 input on the EC-2 to the case of the EC-2.  When you turn = on cold start, you ground the pin 30 to the case.  How the heck does the = EC-2 know the difference so that it can act = differently???

 Bill

 <= /p>

This message, and the documents attached hereto, is intended only for the = addressee and may contain privileged or confidential information. Any unauthorized disclosure is strictly prohibited. If you have received this message in = error, please notify us immediately so that we may correct our internal = records. Please then delete the original message. Thank you. =

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