Return-Path: <13brv3@bellsouth.net> Received: from imf13aec.mail.bellsouth.net ([205.152.59.61] verified) by logan.com (CommuniGate Pro SMTP 4.2b6) with ESMTP id 220029 for flyrotary@lancaironline.net; Sun, 20 Jun 2004 21:21:52 -0400 Received: from rad ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040621002340.EGTE25164.imf23aec.mail.bellsouth.net@rad> for ; Sun, 20 Jun 2004 20:23:40 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: smaller injectors, same idle Date: Sun, 20 Jun 2004 19:23:41 -0500 Message-ID: <01f001c45726$018f7890$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01F1_01C456FC.18B97090" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_01F1_01C456FC.18B97090 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I has previously set the idle stop screw very loose so I could manually close the idle as much as I wanted. I finally gave up and set the screw = at some place that thought would reliably prevent the engine from quitting = when pulling the throttle all the way back. This was at about 1200 RPM. Low = and behold, the idle at 1200 (against the idle stop) was much better quality that I could previously achieve. =20 Hi Dave, =20 My idle stop is what's keeping me at 1500 now, so that won't work for = me. I might be able to get my A controller to idle down lower, but the B controller would surely quit, so I'll leave the idle up, until I figure = out what's bugging the B controller. =20 =20 I looked at the EC-2 map with the EM-2 today, and it looked OK as far as = I can tell. The problem is that I get the same data, regardless of which controller is selected, so I don't think I'm ever seeing the map for the = B controller. If I turn off the EC-2, I get nothing, but if I turn on the EC-2 with A or B selected, I get the exact same data. Tracy, can you actually look at the B map this way?=20 =20 BTW, I have looked at my fuel pressure under idle. It goes from 42 with = the engine off to about 32 at idle.=20 =20 From the numbers I posted earlier, mine is about 42 engine off, 35 at = maybe 2000 rpm on the ground, and 40 in flight at 5100 rpm. It appears the regulator is doing it's job. =20 =20 Rusty, my fuel pressure regulator came with specific instructions to NOT = use just just one of those ports. Tracy as also mentioned that they should = be in T'd to go to the EC2. That is a definite starting point.=20 =20 I went through this with the Rev-A setup, and hooking them together = might have made a difference. I'll try this again, but if it doesn't make a noticeable diff, I won't leave it that way. I like having each = controller get a separate MAP source. =20 I spent some time looking at the details of installing an MSD injector = in the block, and it looks doable. The hole in the block will need a = sleeve that's .65" OD, .55" ID, and about 1.25" long. The rail hole needs to = be slightly larger, and I think there would probably be enough meat on the aluminum rails to bore this out. I'd hate to screw up the one I'm using = now (which I got from Kelly), so does anyone have an aluminum primary rail they'd sell me?=20 =20 Thanks, Rusty (can't seem to leave well enough alone) =20 =20 =20 =20 =20 ------=_NextPart_000_01F1_01C456FC.18B97090 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
I has = previously set the=20 idle stop screw very loose so I could manually close the idle as much as = I=20 wanted.  I finally gave up and set the screw at some place that = thought=20 would reliably prevent the engine from quitting when pulling the = throttle=20 all the way back.  This was at about 1200 RPM.  Low and = behold,=20 the idle at 1200 (against the idle stop) was much better quality that I = could=20 previously=20 achieve.
 
Hi=20 Dave,
 
My idle=20 stop is what's keeping me at 1500 now, so that won't work = for me.  I=20 might be able to get my A controller to idle down lower, but the B = controller=20 would surely quit, so I'll leave the idle up, until I figure = out=20 what's bugging the B=20 controller.  <= /DIV>
 
I=20 looked at the EC-2 map with the EM-2 today, and it looked OK as far = as I=20 can tell.  The problem is that I get the same data, regardless = of=20 which controller is selected, so I don't think I'm ever = seeing the map=20 for the B controller.  If I turn off the EC-2, I get nothing, = but if I=20 turn on the EC-2 with A or B selected, I get the exact same data.  = Tracy,=20 can you actually look at the B map this=20 way? 
 
BTW, I have = looked at my=20 fuel pressure under idle.  It goes from 42 with the engine off to = about 32=20 at idle. 
 
From the = numbers I posted=20 earlier, mine is about 42 engine off, 35 at maybe 2000 rpm=20 on the ground, and 40 in flight at 5100 rpm.  It appears = the=20 regulator is doing it's=20 job.   
 
Rusty, my fuel=20 pressure regulator came with specific instructions to NOT use just just = one of=20 those ports.  Tracy as also mentioned that they should be in T'd to = go to=20 the EC2.  That is a definite starting point. 
 
I went through = this with=20 the Rev-A setup, and hooking them together might have made a=20 difference.  I'll try this again, but if it doesn't make a = noticeable diff,=20 I won't leave it that way.  I like having each controller get a = separate=20 MAP source.
 
I spent some time looking at the details of = installing=20 an MSD injector in the block, and it looks doable.  The hole in the = block=20 will need a sleeve that's .65" OD, .55" ID, and about 1.25" long.  = The rail=20 hole needs to be slightly larger, and I think there would probably be = enough=20 meat on the aluminum rails to bore this out.  I'd hate to screw up = the one=20 I'm using now (which I got from Kelly), so does anyone have an aluminum = primary=20 rail they'd sell me?
 
Thanks,
Rusty (can't seem to leave well enough=20 alone)
 
 
 
   
 
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