X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-ew0-f52.google.com ([209.85.215.52] verified) by logan.com (CommuniGate Pro SMTP 5.3.11) with ESMTP id 4666553 for flyrotary@lancaironline.net; Thu, 06 Jan 2011 19:50:01 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.52; envelope-from=msteitle@gmail.com Received: by ewy23 with SMTP id 23so8171407ewy.25 for ; Thu, 06 Jan 2011 16:49:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=2qBH5fRcPYnpy6eMxwx/JqBTe+cyucohyRjzULcLTkQ=; b=XCqx6WOjWxMnnHSxtMKKyVL0yRoalMZezD4Lv9TNT9ax4N+dSOzMuy3T8igp8a24Dx rWMT4pKjLnFEnOmkU/ZqZlZQ7mlD7S+c+uBk5y/OTE4xF9bSn+eKi8KZzYm1dhiKrqBT o6rhxam7TuTe1Mg2XMQyDtUdvy2hrReGLSl6A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=wJDX1IwcBmmi7f4h08bjC64Ps63jh21LT87klL1yKaBeXRAXxgxaPNGYflj17MZXoP MvYA1sJNkuwkmSW1/V4XOzqcpul1MpgrtvJ3nlUdjtayO3Yr0CaiUaqyEiVJAcg93H2p dScAziEokwR/00tBPniZH91ccWbtppqKMzVM0= MIME-Version: 1.0 Received: by 10.213.9.131 with SMTP id l3mr2020915ebl.37.1294361363531; Thu, 06 Jan 2011 16:49:23 -0800 (PST) Received: by 10.213.31.132 with HTTP; Thu, 6 Jan 2011 16:49:23 -0800 (PST) In-Reply-To: References: Date: Thu, 6 Jan 2011 18:49:23 -0600 Message-ID: Subject: Re: [FlyRotary] Re: GM Coil Comparison From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=0015174c100048c67b049936fd41 --0015174c100048c67b049936fd41 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Kelly, The problem with the Renesis CAS was totally different. It would run fine up to a certain rpm and then start stumbling and missing big time. The current problem is just an occasional mis-fire of one rotor face. Could I have some crosstalk in my wiring harness? Sure, I guess anything i= s possible. I definitely wouldn't rule it out at this point. New coils came today. I hope to get them installed over the weekend, but rain is predicted for both Saturday and Sunday, so a test flight may not be possible. Mark On Thu, Jan 6, 2011 at 6:42 PM, Kelly Troyer wrote: > Mark, > As I recall you changed from the Renesis wheel/sensor back to the stoc= k > 20B CAS because of rpm problems..........Did you also have the intermitta= nt > miss with the Renesis setup ??...........Could you possibly have some cro= ss > > talk in your wiring harness ??.......... > > > Kelly Troyer > *"DYKE DELTA JD2" (Eventually)* > > "13B ROTARY"_ Engine > "RWS"_RD1C/EC2/EM2 > "MISTRAL"_Backplate/Oil Manifold > > "TURBONETICS"_TO4E50 Turbo > > > ------------------------------ > *From:* Mark Steitle > *To:* Rotary motors in aircraft > *Sent:* Wed, January 5, 2011 8:32:59 AM > *Subject:* [FlyRotary] Re: GM Coil Comparison > > OK Al, I'll tell you my reason for upgrading. My engine has always had a= n > occasional intermittent misfire, usually on climbout but occasionally in > cruise. It happens infrequently just to one compression cycle and then i= t > clears up. Obviously, this does not instill confidence with pax, or myse= lf > either. I've tried various solutions, but the problem persists. I'm hop= ing > the hotter spark from the 585 coils will cure this annoying problem. I'l= l > report back after installing the new coils and test flying. > > Mark S. > > On Wed, Jan 5, 2011 at 12:13 AM, Al Gietzen wrote: > >> So I=92m still waiting for an answer to the question I posed a few da= ys >> back. Do we have any real evidence that the higher current spark is need= ed >> in our application; or is going to result in any better performance? >> >> >> >> Perhaps it=92s obvious to someone, but I=92m wondering whether it compar= able >> to watts/channel on a stereo. 50 per channel into good speakers is enoug= h to >> drive you out of your home; but the salesperson will try to convince you >> that 1000 watts must be 10 times better. The D580 certainly makes a ver= y >> good spark, which ignites the mixture just fine. Once the arc is made a= nd >> the fuel molecules are burning, does 120 ma spark give you anything that= a >> 60 ma spark doesn=92t if the voltage is the same? Presumably it is just= a >> matter of spark duration. >> >> >> >> Save me the need to do some researchJ >> >> >> >> Al >> > > --0015174c100048c67b049936fd41 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Kelly,

The problem with the Renesis CAS was totally diff= erent. =A0It would run fine up to a certain rpm and then start stumbling an= d missing big time. =A0The current problem is just an occasional mis-fire o= f one rotor face. =A0

Could I have some crosstalk in my wiring harness? =A0Su= re, I guess anything is possible. =A0I definitely wouldn't rule it out = at this point. =A0

New coils came today. =A0I hope= to get them installed over the weekend, but rain is predicted for both Sat= urday and Sunday, so a test flight may not be possible. =A0

Mark

On Thu, Jan 6, 2= 011 at 6:42 PM, Kelly Troyer <keltro@att.net> wrote:
Mark,
=A0=A0 As I recall you changed from the Renesis wheel/sensor=A0back to= the stock
20B CAS because of rpm problems..........Did you also have the intermi= ttant
miss with the Renesis setup ??...........Could you possibly=A0have som= e cross
talk in your wiring harness ??..........=A0
=A0

Kelly Troyer
"DYKE DELTA JD2" (Eventually)

"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"= MISTRAL"_Backplate/Oil Manifold

"TURBONETICS"_TO4E50 Turbo



From: Mark Steitle <msteitle@gmail.com&g= t;
To: Rotary motors in a= ircraft <flyrotary@lancaironline.net>
Sent: Wed, January 5, 2011 8= :32:59 AM
Subject: [FlyRo= tary] Re: GM Coil Comparison

OK Al, I'll tell you my reason for upgrading.=A0 My engine has alw= ays had an occasional intermittent misfire, usually on climbout but occasio= nally in cruise.=A0 It happens infrequently just to one compression cycle a= nd then it clears up.=A0=A0Obviously, this does not instill confidence with= pax, or myself either.=A0 I've tried various solutions, but the proble= m persists.=A0 I'm hoping the hotter spark from the 585 coils will cure= this annoying problem.=A0 I'll report back after installing the new co= ils=A0and test flying.
=A0
Mark S.

On Wed, Jan 5, 2011 at 12:13 AM, Al Gietzen <ALVentures@cox.net> wrote:

So I=92m still w= aiting for an answer to the question I posed a few days back. Do we have an= y real evidence that the higher current spark is needed in our application;= or is going to result in any better performance?

=A0

Perhaps it=92s o= bvious to someone, but I=92m wondering whether it comparable to watts/chann= el on a stereo. 50 per channel into good speakers is enough to drive you ou= t of your home; but the salesperson will try to convince you that 1000 watt= s must be 10 times better. =A0The D580 certainly makes a very good spark, w= hich ignites the mixture just fine. =A0Once the arc is made and the fuel mo= lecules are burning, does 120 ma spark give you anything that a 60 ma spark= doesn=92t if the voltage is the sam<= span style=3D"font-family:Verdana;color:blue;font-size:11pt">e?=A0 Presumab= ly it is just a matter of spark duration.

=A0

Save me the need= to do some researchJ=

=A0

Al=



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