X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [64.129.170.194] (HELO VIRCOM1.fcdata.private) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTP id 4880567 for flyrotary@lancaironline.net; Wed, 23 Feb 2011 21:47:47 -0500 Received-SPF: none receiver=logan.com; client-ip=64.129.170.194; envelope-from=cbarber@texasattorney.net Received: from FCD-MAIL06.FCDATA.PRIVATE ([fe80::697f:d6aa:b87:78d8]) by FCD-MAIL05.FCDATA.PRIVATE ([fe80::809d:a06e:5913:452e%15]) with mapi id 14.01.0270.001; Wed, 23 Feb 2011 20:42:41 -0600 From: Chris Barber To: Rotary motors in aircraft Subject: Diagnostic help please I think regarding coils/plugs EC2 etc Thread-Topic: Diagnostic help please I think regarding coils/plugs EC2 etc Thread-Index: AQHL08yp17y4rYpRqk+cuy2iNhF+Qw== Date: Thu, 24 Feb 2011 02:46:43 +0000 Message-ID: <2D41F9BF3B5F9842B164AF93214F3D3035732958@FCD-MAIL06.FCDATA.PRIVATE> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [99.98.105.202] Content-Type: multipart/alternative; boundary="_000_2D41F9BF3B5F9842B164AF93214F3D3035732958FCDMAIL06FCDATA_" MIME-Version: 1.0 --_000_2D41F9BF3B5F9842B164AF93214F3D3035732958FCDMAIL06FCDATA_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I got my engine buckled back up with the new seals and everything back on t= he plane. I have gotten it to start, but, honestly, it does not seem as smooth as it = has in the past. However, the good new is, so far, it is starting much easier. Hard startin= g, especially when hot has been a consistent problem. That being said, I am having some anomalies other than some rougher running= . The most notable is that I was not getting the engine to start on Comput= er A at any mixture level, however, I would switch to B and advance the mix= ture to about 3 o'clock and it would start about as well as it ever had, co= nsistently. Controller A has been reset to factory defaults, however, Contr= oller B is set to some long forgotten settings (if I understand correctly t= here is not way to see the settings on B, but the fact it is starting on B = at least indicates it can start). I hesitate to transfer A to B until I ca= n get A functioning well. Once started, it "sounds" to be missing a bit. = To try to diagnose it I first checked the plugs. The were installed new da= y before yesterday. All looked as I would expect and all have been fired s= o some kind of ignition event is occurring. To try to dig a little deeper, I disconnected the trailing plugs and the en= gine now started on Controller A without problem. I tried to disconnect al= l the plugs in various manners (only front rotor, only primary, only second= ary and only rear). It would start with difficulty on B with all the plugs= connected, But would not start at all with just the front or rear rotor co= nnected. I was somewhat concerned I may have been running on only one cham= ber, however, trying to run the engine on only one chamber with no success = seems to dismiss the idea that I was only running on one rotor chamber. I hooked up all the plugs again and now when I started I turned OFF the sec= ondary coil switch and the engine started well on Controller A and run well= . Hmmmmm. I would turn the secondary coils on once started and it would s= eem to run a little stronger. However, when I had both the primary coils o= n AND the secondary coils on when STARTING, the engine was hard to start an= d would not run as smoothly as when started with just the primaries and the= n turning the secondary coils on. If I remember correctly, the primary and secondary plugs spark at the same = time with the RWS Controller, however, it seems almost as if the secondary'= s are "fighting" the primaries. Like I mentioned, the A controller was res= et to factory settings following my lasts assembly. Am I triggering any thoughts. What am I missing. What next diagnostic woul= d you guys/gals suggest? Yes, I have verified the spark plug wires are goi= ng from the correct coil to the correct plug. When I hooked all the plugs b= ack up I slightly moved around the plug wires, I had the two front rotor wi= res crossing over my B lead to my alternator so I gave these wires more sep= aration. It seemed to have helped the roughness a bit. I am likely to buy= new and better plug wires tomorrow as the ones I have have been around awh= ile and were not the highest quality as I was in a base development stage a= t the time. Since the list has been soooooo quiet as of late, other than my posting of = my bent apex seals I am supposing that y'all have plenty of time to give th= is latest issue some thought.....unless of course you have all been out fly= ing, thus not posting ;-) Thanks guys, I do feel a little closer today. Chris --_000_2D41F9BF3B5F9842B164AF93214F3D3035732958FCDMAIL06FCDATA_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I got my engine buckled back up with the new seals and everything back o= n the plane.

 

I have gotten it to start, but, honestly, it does not seem as smooth as = it has in the past.

 

However, the good new  is, so far, it is starting much easier. Hard= starting, especially when hot has been a consistent problem.

 

That being said, I am having some anomalies other than some = rougher running.  The most notable is that I was not getting the engin= e to start on Computer A at any mixture level, however, I would switch= to B and advance the mixture to about 3 o'clock and it would start about as well as it ever had, consistently. Controller A has been reset to factory defaults, however, Controll= er B is set to some long forgotten settings (if I understand correctly= there is not way to see the settings on B, but the fact it is starting on B at least indicates it can start).&n= bsp; I hesitate to transfer A to B until I can get A = functioning well.  Once started, it "sounds" to be mi= ssing a bit.  To try to diagnose it I first checked the plugs.  T= he were installed new day before yesterday.  All looked as I would expec= t and all have been fired so some kind of ignition event is occurring. 

 

To try to dig a little deeper, I disconnected the trailing plugs and the= engine now started on Controller A without problem.  I tried to = disconnect all the plugs in various manners (only front rotor, only primary, only secondary and only rear).  It would start with difficulty on B with all the plu= gs connected, But would not start at all with just the front or rear rotor = connected.  I was somewhat concerned I may have been running on only o= ne chamber, however, trying to run the engine on only one chamber with no success seems to dismiss the idea that I = was only running on one rotor chamber.

 

I hooked up all the plugs again and now when I started I turned OFF the = secondary coil switch and the engine started well on Con= troller A and run well.  Hmmmmm.  I w= ould turn the secondary coils on once started and it would seem to run a little stronger.  However, when I had both the= primary coils on AND the secondary coils on when STARTING, the engine was = hard to start and would not run as smoothly as when started<= /a> with just the primaries and then turning the secondary coils on.

 

If I remember correctly, the primary and secondary plugs s= park at the same time with the RWS Control= ler, however, it seems almost as if the secondary's are = "fighting" the primaries.  Like I mentioned, the A controller was reset to factory settings followin= g my lasts assembly.

 

Am I triggering any thoughts. What am I missing.  What next diagnos= tic would you guys/gals suggest?  Yes, I have verified the spark plug = wires are going from the correct coil to the correct plug. When I hooked al= l the plugs back up I slightly moved around the plug wires, I had the two front rotor wires crossing over my B lead to= my alternator so I gave these wires more separation.  I= t seemed to have helped the roughness a bit.  I am likely to buy new a= nd better plug wires tomorrow as the ones I have have been around awhil= e and were not the highest quality as I was in a base development stage at = the time.

 

Since the list has been soooooo quiet as of late, oth= er than my posting of my bent apex seals I am supposing that y'all have&nbs= p;plenty of time to give this latest issue some thought.= ....unless of course you have all been out flying, thus not posting ;-)

 

Thanks guys, I do feel a little closer today.

 

Chris

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