X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 944333 for flyrotary@lancaironline.net; Sat, 14 May 2005 20:51:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.65; envelope-from=13brv3@bellsouth.net Received: from ibm57aec.bellsouth.net ([65.6.194.9]) by imf17aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050515005114.TWUH2428.imf17aec.mail.bellsouth.net@ibm57aec.bellsouth.net> for ; Sat, 14 May 2005 20:51:14 -0400 Received: from rd ([65.6.194.9]) by ibm57aec.bellsouth.net (InterMail vG.1.02.00.01 201-2136-104-101-20040929) with ESMTP id <20050515005113.DFNL24984.ibm57aec.bellsouth.net@rd> for ; Sat, 14 May 2005 20:51:13 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Killing engine in flight for glide test?? Date: Sat, 14 May 2005 19:51:42 -0500 Message-ID: <029801c558e8$42d0bc00$04000100@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0299_01C558BE.59FAB400" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0299_01C558BE.59FAB400 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable As stated earlier, have turned pump off momentarily and back on, the = engine restarted immediately. For longer duration engine off glide testing, = should both the injectors also be turned off? My concern is that without fuel = in the rail, engine windmilling , the control will probably continue firing = the plugs and injectors. What should be disabled beyond turning fuel off ?? =20 Hi Bernie, =20 I'm with Al, as far as preferring to turn only the injectors off. The question is whether the EC-2 knows to stop wasting it's time firing the plugs when you have all the injectors off. That would have to be a = Tracy question. =20 =20 Next question is- does it matter if they fire? I don't see why it = would, but it does seem unnatural. =20 =20 Finally, if you want to make sure, I'd just turn off the EC-2, and leave = the pump and injectors on. Correction, "I" wouldn't do any of the above :-) =20 Cheers, Rusty (leaking and out of balance) =20 ------=_NextPart_000_0299_01C558BE.59FAB400 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

As stated earlier, have turned pump off momentarily = and back on,=20 the engine restarted immediately. For longer duration engine off  = glide=20 testing, should both the injectors also be turned off? My concern is = that=20 without fuel in the rail, engine windmilling , the control will probably = continue firing the plugs and injectors. What should be disabled beyond = turning=20 fuel off ??

 
Hi=20 Bernie,
 
I'm with = Al, as far as=20 preferring to turn only the injectors off.  The question is whether = the=20 EC-2 knows to stop wasting it's time firing the plugs when you have all = the=20 injectors off.  That would have to be a Tracy=20 question.  
 
Next = question is- does=20 it matter if they fire?  I don't see why it would, but it does seem = unnatural.  
 
Finally, = if you want to=20 make sure, I'd just turn off the EC-2, and leave the pump and injectors=20 on.  Correction, "I" wouldn't do any of the above = :-)
 
Cheers,
Rusty = (leaking and out=20 of balance) 



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