Return-Path: Received: from fed1mtao08.cox.net ([68.6.19.123] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3080873 for flyrotary@lancaironline.net; Tue, 16 Mar 2004 04:56:44 -0500 Received: from smtp.west.cox.net ([172.18.180.57]) by fed1mtao08.cox.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with SMTP id <20040316095641.BNIX29083.fed1mtao08.cox.net@smtp.west.cox.net> for ; Tue, 16 Mar 2004 04:56:41 -0500 From: To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: More run time, fewer issues Date: Tue, 16 Mar 2004 4:56:44 -0500 MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=____1079431004660_EGt7Bt1JVG" Message-Id: <20040316095641.BNIX29083.fed1mtao08.cox.net@smtp.west.cox.net> This is a multi-part message in MIME format. ------=____1079431004660_EGt7Bt1JVG Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit > I can tell you from experience that you'll never be able to artificially > pull the vacuum lower than the engine wants to run. I used a mity-vac to > try that, and the engine (of course) quits the instant you try it. The only > way I was able to set the transition below idle was to run at high throttle, > then rapidly close the throttle, and hit the set button at the artificially > low MAP that was generated. This really didn't help me any. If you want to > rule out the transition, set it higher than normal. That's what I ended up > doing, though I'm not really sure it helped that much either. > > How does it run with one set of injectors disabled? You did install the > disable switches right? > Does the engine have to be running to set the transition point or can I just pull some vacuum with the engine off but the EC2 turned on. I have been thinking about using a surenge to create the vacuum. I don't have an injector switch, but it is easy enough to pull the fuse to either set and turn on the cold start switch. I should have tried that already, will do so in the am. Thanks Rusty, Dave ------=____1079431004660_EGt7Bt1JVG Content-Type: text/html; name="reply" Content-Disposition: inline; filename="reply" Message

I’m not sure what RPM I am seeing because I haven’t been able to
get the tach working yet (hey Tracy – do you think the signal output
to one of the LS1 coils could be run in parallel to the tach?)

 
You can use the output of one of the LS1 coils, but most tachs won't read the pulse.  What tach are you using? 


The turbo does get very hot and makes some smoke (not a lot) out
the tail pipe on shut down.  I am wondering if maybe the oil seal is
leaking.  How much smoke on shut down is normal?

I don't recall any smoke from the pipe.  Mine was mostly from stuff the turbo was burning :-0

  I am tempted to use some sort of artificial devise to set the transition down very
low and just avoid any need of a transition.  Anyone have any
ideas on a simple way to suck the manifold tubing down lower
than I will ever run the engine long enough to set the EC2?  I have
not been able to get it lower than 14”with the engine, and that is
difficult and unreliable.

I can tell you from experience that you'll never be able to artificially pull the vacuum lower than the engine wants to run.  I used a mity-vac to try that, and the engine (of course) quits the instant you try it.  The only way I was able to set the transition below idle was to run at high throttle, then rapidly close the throttle, and hit the set button at the artificially low MAP that was generated.  This really didn't help me any.  If you want to rule out the transition, set it higher than normal.  That's what I ended up doing, though I'm not really sure it helped that much either. 

How does it run with one set of injectors disabled?  You did install the disable switches right? 

Rusty (just can't wait to go through this all over again tomorrow...)

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