Return-Path: Received: from [65.54.169.76] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3203957 for flyrotary@lancaironline.net; Mon, 03 May 2004 14:36:55 -0400 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 3 May 2004 11:36:54 -0700 Received: from 4.174.4.152 by BAY3-DAV46.phx.gbl with DAV; Mon, 03 May 2004 18:36:54 +0000 X-Originating-IP: [4.174.4.152] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Injector testing Date: Mon, 3 May 2004 14:36:53 -0400 MIME-Version: 1.0 X-Mailer: MSN Explorer 7.02.0011.2700 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0005_01C4311C.13D5CAC0" Message-ID: X-OriginalArrivalTime: 03 May 2004 18:36:54.0729 (UTC) FILETIME=[9BA56390:01C4313D] ------=_NextPart_001_0005_01C4311C.13D5CAC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Subject: [FlyRotary] Re: Injector testing Thanks for the info Rusty. I have the stock primary injectors (52lb turb= o) in the engine block and secondary MSD injectors in the throttle body 2= 2in. away. The problem is unchanged if I run on either set of injectors = alone. It is doing some strange things. I have a few more ideas I want = to test then I'll post a complete problem summary. Dave Leonard =20 I don't know what to tell you Dave. That's how my rev-1 setup was, and i= t idled great at 1500, and pretty well down to 800-1000. I kept it at 15= 00 though. Ed said that he tried the turbo injectors once, and removed t= hem because he didn't like the idle. Not sure I understand why, but mayb= e he'll recall some more info about the situation. =20 Any chance you have an air leak that affects one rotor more than the othe= r? This would cause more of a problem with vacuum at idle. Do you have = dual EGT's so you can see if there's a temp diff when struggling to idle?= Just guessing. =20 Good luck, Rusty (pushing 200 mph next weekend, I hope) Last cause of this symptom I ran into was when an EC1 user switched to E= C2 (I highly encourage that with a trade-in discount) and didn't add the = external 5 ohm resistors needed with Peak & Hold injectors (They were int= ernal on the EC1). Big primary injectors do make idle tuning more diffi= cult. Tracy ------=_NextPart_001_0005_01C4311C.13D5CAC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

<= DIV>Subject: [FlyRotary] Re: Injector testing

Thanks for the info Rusty. I have t= he stock primary injectors (52lb turbo) in the engine block and seco= ndary MSD injectors in the throttle body 22in. away. The problem is= unchanged if I run on either set of injectors alone. It is doing s= ome strange things. I have a few more ideas I want to test then I'l= l post a complete problem summary.

Dave Leonard

&n= bsp;

I don't know what to= tell you Dave. That's how my rev-1 setup was, and it idl= ed great at 1500, and pretty well down to 800-1000. I kept it = at 1500 though. Ed said that he tried the turbo injectors once, and= removed them because he didn't like the idle. Not sure I understan= d why, but maybe he'll recall some more info about the situatio= n.

Any chance you have an air leak that affects one rotor= more than the other? This would cause more of a problem with vacuu= m at idle. Do you have dual EGT's so you can see if there's a temp = diff when struggling to idle?   Just guessing. =

= Good luck,

Rusty (pushing 200 mph next weekend, I hope)

Last cause of thi= s symptom I ran into  was when an EC1 user switched to EC2 (I h= ighly encourage that with a trade-in discount) and didn't add the externa= l 5 ohm resistors needed with Peak & Hold injectors (They were intern= al on the EC1).   Big primary injectors do make idle tunin= g more difficult.

Tracy

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