X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2713735 for flyrotary@lancaironline.net; Sun, 03 Feb 2008 17:22:31 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([75.191.190.141]) by cdptpa-omta03.mail.rr.com with SMTP id <20080203222152.WWXI9845.cdptpa-omta03.mail.rr.com@edward2> for ; Sun, 3 Feb 2008 22:21:52 +0000 Message-ID: <001b01c866b3$34d6ca50$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] More Progress Date: Sun, 3 Feb 2008 17:22:04 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0018_01C86689.4BCEB5D0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 This is a multi-part message in MIME format. ------=_NextPart_000_0018_01C86689.4BCEB5D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Great to hear, Don Nice to discover (I presume) that the problem was not due to your work. = Yes, I don't understand how Tracy keeps track of all the variants the = EC2 that us customers of his have been responsible for. But, clearly, = like anything experimental, there are bugs to work out. Check your ignition coils for the miss. You might try to see if you = have a week coil by using the ignition simulator mode - nicer than = trying with the engine running. It could be your fuel, but most of the = time once the fuel is being dispensed into the engine and it is running = well, its sameo, sameo. However, a weak spark would probably create a = rather random miss - sometimes the spark is strong enough, sometimes its = not. Good luck, you're now on the right road. Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.dmack.net/mazda/index.html ----- Original Message -----=20 From: Don Walker=20 To: Rotary motors in aircraft=20 Sent: Sunday, February 03, 2008 4:18 PM Subject: [FlyRotary] More Progress I finally got the engine to start everytime, with Tracy's help = yesterday afternoon. You may remember that I am the one who couldn't = get my Renesis started. It just flooded. Finally sent the EC-2 back to = Tracy and he found a capacitor missing on the unit that has to be there = for the Renesis CAS. =20 When I got it back, with much trouble I was able to get it started, = but it was hit and miss. Sometimes I would drain the battery a time or = 2, foul the plugs, but when it ran, it ran pretty well. Yesterday, = after a couple of weeks of screwing with this thing, I called Tracy = again, discribing the situation and trying my best to be professional. = Tracy said that he found a new "glitch". Seems that only on the = Renesis, with the 2 wire CAS, when starting, there is so much electrical = noise from the starter and the solenoids, that on SOME airplanes this = noise scrambles the timing function and it is all over the place. When = it happened to scramble at the correct timing, I could start it, and = when the starter turned off, no noise and the EC-2 would time = correctly. Maddening! and that is being polite. It would be = interesting to find out how Tracy found the problem and tracked it down = and came up with a simple fix. Oh yeah. The fix! Went down to Radio = Shack, bought a 1000 Ohm resister, 1/2 watt, installed it across the = wires going to to the CAS. (I installed mine inside Bob's D sub = connector) I pulled the plane out and it started on the 2nd blade! I charged = the battery some, turned it off and it started again, and again. Nice = feeling! Tracy of course will be the last word on this. Thanks again = Tracy! That's why we call it Experimental! The engine sounds like a = car and not too loud. Also, B controller wouldn't run. Copyed A to B = and it started running too. 3 or 4 shots of primer at 35 degrees. No = cold start switch. Mixture at 2:00. No primer when warm. As I mentioned, It's running pretty well, but there is a mis, and = it seems to be at all RPMs. I had it before the latest fix too. = Obviously I can't fly with it this way and the Auto tune function = doesn't work because the RPM is not steady enough above 2500 rpm. Any = thoughts on why I have this mis and what the solution might be? I = assume that it is an ignition problem rather than fuel, but my engine = knowledge is pretty basic. Also, I built my own intake manifold of 17.5 = inches. Could this be part of it, due to pressure waves, etc. One = thing I haven't looked at is switching the leading and trailing coils. = I did it, to see if it would still run on B controller, but not to see = if the mis would stop. I didn'nt notice it stopping if it did. Sure do = like the heat from the automobile heater core. I will be increasing the = outlet eyeball size. =20 Got rid of all my leaks. This is so nice! Running for a while at = 2600 rpm had 160 water and 165 oil @ 91 psi. I will be taking the fuel = system apart so I can drill and safety wire everything. Cool air ducted = to them. The Fuel pumps are very noisy and my ANR headsets don't cancel = that frequency out much. Are there quieter pumps out there? I will try = to sound deaden the back of the pump mount and the back of the fire = wall. Flo-scan fuel flow unit not working. EGTs not working. Love the = mixture moniter function. Filled the right tank for the first time and = switched tanks. Fuel pressure dropped to about 25 psi and then when = back to 32 with out a hick-up. I have the Sube fuel pinhole bypass. = All for now. I look forward to your thoughts. Someone out there knows = about engine mis. Don Walker RV-8 Renesis N113 Bravo Romeo ------=_NextPart_000_0018_01C86689.4BCEB5D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Great to hear, Don
 
Nice to discover (I presume) that the problem = was not due=20 to your work.  Yes, I don't understand how Tracy keeps track of all = the=20 variants the EC2 that us customers of his have been responsible = for.  But,=20 clearly, like anything experimental, there are bugs to work = out.
 
Check your ignition coils for the miss.  = You might=20 try to see if you have a week coil by using the ignition simulator mode = - nicer=20 than trying with the engine running.  It could be your fuel, but = most of=20 the time once the fuel is being dispensed into the engine and it is = running=20 well, its sameo, sameo.  However, a weak spark would probably = create a=20 rather random miss - sometimes the spark is strong enough, sometimes its = not.
 
Good luck, you're now on the right = road.
 
Ed
 
Ed Anderson
Rv-6A N494BW Rotary = Powered
Matthews,=20 NC
eanderson@carolina.rr.comhttp://www.andersonee.com
http:/= /members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda= /index.html
 
 
----- Original Message -----
From:=20 Don = Walker=20
Sent: Sunday, February 03, 2008 = 4:18=20 PM
Subject: [FlyRotary] More = Progress

    I finally got the = engine to=20 start everytime, with Tracy's help yesterday afternoon.  = You may=20 remember that I am the one who couldn't get my Renesis started.  = It just=20 flooded.  Finally sent the EC-2 back to Tracy and he found a = capacitor=20 missing on the unit that has to be there for the Renesis CAS. =20
When I got it back, with much trouble = I was able=20 to get it started, but it was hit and miss.  Sometimes I would = drain the=20 battery a time or 2, foul the plugs, but when it ran, it ran pretty=20 well.  Yesterday, after a couple of weeks of screwing with this = thing, I=20 called Tracy again, discribing the situation and trying my best to be=20 professional.  Tracy said that he found a new "glitch".  = Seems that=20 only on the Renesis, with the 2 wire CAS, when starting, there is so = much=20 electrical noise from the starter and the solenoids, that on SOME = airplanes=20 this noise scrambles the timing function and it is all over the = place. =20 When it happened to scramble at the correct  timing, I = could=20 start it, and when the  starter turned off, no noise and the EC-2 = would=20 time correctly.  Maddening! and that is being polite.   It = would be=20 interesting to find out how Tracy found the problem and tracked it = down and=20 came up with a simple fix.  Oh yeah.  The fix!  Went = down to=20 Radio Shack, bought a 1000 Ohm resister, 1/2 watt, installed it across = the=20 wires going to to the CAS.  (I installed mine inside Bob's D sub=20 connector)
    I pulled the plane = out and it=20 started on the 2nd blade!  I charged the battery some, turned it = off and=20 it started again, and again.  Nice feeling!  Tracy of course = will be=20 the last word on this.  Thanks again Tracy!  That's why we = call it=20 Experimental!  The engine sounds like a car and not too = loud. =20 Also,  B controller wouldn't run.  Copyed A to B and it = started=20 running too. 3 or 4 shots of primer at 35 = degrees.  No=20 cold start switch.  Mixture at 2:00.  No primer when=20 warm.
    As I mentioned, = It's running=20 pretty well, but there is a mis, and it seems to be at all RPMs.  = I had=20 it before the latest fix too.  Obviously I can't fly with it this = way and=20 the Auto tune function doesn't work because the RPM is not steady = enough above=20 2500 rpm.   Any thoughts on why I have this mis and = what the=20 solution might be?  I assume that it is an ignition = problem rather=20 than fuel, but my engine knowledge is pretty basic.  Also,=20 I built my own intake manifold of 17.5 inches.  Could = this be=20 part of it, due to pressure waves, etc.   One thing I=20 haven't looked at is switching  the leading = and=20 trailing coils.   I did it, to see if it would still run on = B=20 controller, but not to see if the mis would stop.  I didn'nt = notice=20 it stopping if it did.  Sure do like the heat from the automobile = heater=20 core.  I will be increasing the outlet eyeball size.  =
    Got rid of all my = leaks. =20 This is so nice!  Running for a while at 2600 rpm had 160 water = and 165=20 oil @ 91 psi.  I will be taking the fuel system apart so I can = drill and=20 safety wire everything.  Cool air ducted to them.  The Fuel = pumps=20 are very noisy and my ANR headsets don't cancel that = frequency out=20 much.  Are there quieter pumps out there?  I will try to = sound=20 deaden the back of the pump mount and the back of the fire = wall. =20 Flo-scan fuel flow unit not working.  EGTs not working.  = Love the=20 mixture moniter function.  Filled the right tank for the first = time and=20 switched tanks.  Fuel pressure dropped to about 25 psi and then = when back=20 to 32 with out a hick-up.  I have the Sube fuel pinhole = bypass.  All=20 for now.  I look forward to your thoughts.  Someone out = there knows=20 about engine mis.
 
Don Walker
RV-8 Renesis
N113 Bravo=20 Romeo
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