X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-fx0-f52.google.com ([209.85.161.52] verified) by logan.com (CommuniGate Pro SMTP 5.4c2o) with ESMTPS id 4892357 for flyrotary@lancaironline.net; Sat, 05 Mar 2011 21:50:39 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.161.52; envelope-from=msteitle@gmail.com Received: by fxm17 with SMTP id 17so3383743fxm.25 for ; Sat, 05 Mar 2011 18:50:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=bq4WbH81mYsCd+R5oHJ4kyVN7k35qCvoVpKhRHqzTA8=; b=EObeJtOB5J4lvfrTDDPN70WDtyUPVzJbv60MiDZt0+2q6KcRNQEzl/NtBroRMkAOvT vkgcxrHkcvBUunPA4P7maKrFpgJoiWavhA91K2wrdINJh9/C5CwGE/k9jW853jM4qezw 2JHRl221OrD+YxxvnR5wNu6iX1Dk1KM/W9+bQ= 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=iS06BOxSyIAjycH+Y52X//U676dFTIMCPRNdHMl+KPxNmlqyoeEROZICOUO0IgJDVo lW2oqvv6ynqGFEbrIFUbTJ8dv6ooZNsg85+ZhWCwS464fz3Z08Wqa4BlSoHh2pSZFYBK W2n23tJxDbjnnlQVhpE9NbrBn8qllpf5hLXo8= MIME-Version: 1.0 Received: by 10.223.95.199 with SMTP id e7mr286759fan.82.1299379804421; Sat, 05 Mar 2011 18:50:04 -0800 (PST) Received: by 10.223.73.203 with HTTP; Sat, 5 Mar 2011 18:50:04 -0800 (PST) In-Reply-To: References: Date: Sat, 5 Mar 2011 20:50:04 -0600 Message-ID: Subject: Re: [FlyRotary] Re: Miss above staging point. From: Mark Steitle To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=00248c176baeabbe81049dc76f25 --00248c176baeabbe81049dc76f25 Content-Type: text/plain; charset=ISO-8859-1 Bill, How do the coils look (underneath)? Are there dark areas in the potting material where they have gotten hot? There is a history of coil failures in the RX-8's after about 30k miles. How many hours on the plugs/wires? How do they look? Mark On Sat, Mar 5, 2011 at 8:36 PM, Bill Bradburry wrote: > Mark, > > > > I have the stock Renesis coils. > > > > Bill B > > > ------------------------------ > > *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] *On > Behalf Of *Mark Steitle > *Sent:* Saturday, March 05, 2011 6:19 PM > *To:* Rotary motors in aircraft > *Subject:* [FlyRotary] Re: Miss above staging point. > > > > Bill, > > > > Which coils are you running? I chased an intermittent miss which occurred > in the 6000 -7000 range. I upgraded to the LS2 "Yukon" coils and the miss > was gone. > > > > Mark S. > > On Sat, Mar 5, 2011 at 4:56 PM, Bill Bradburry > wrote: > > I have developed a miss above the staging point. The fuel pressure seems > ok, the mixture also seems ok. I am at a loss. > > > > To try and troubleshoot, I am considering getting above the staging point > and disabling the primaries and secondaries to see if I can identify which > is the cause. Since it runs ok below the stage, I assume it is not the > primaries. > > > > I recently changed my fuel filters and installed a large canister filter. > There seems a possibility that I introduced some contamination that clogged > an injector. Other wise it seems it must be spark related. This just > happened one flight ago. The engine was running fine, till that last > takeoff. It was missing and would only get about 6300 rpm. After take off, > I turned the prop back and slowed the engine down to below that number and > it smoothed out and ran fine the res of the flight. Today while taxiing > around, I noticed that the miss was back. > > > > Opinions welcomed. > > > > Bill B > > > > > > > --00248c176baeabbe81049dc76f25 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Bill,=A0

How do the coils look (underneath)? =A0Are ther= e dark areas in the potting material where they have gotten hot? =A0There i= s a history of coil failures in the RX-8's after about 30k miles. =A0 = =A0

How many hours on the plugs/wires? =A0How do they look?

Mark =A0

On Sat, Mar= 5, 2011 at 8:36 PM, Bill Bradburry <bbradburry@bellsouth.net> wrote:

Mark,

=A0<= /p>

I have the stock R= enesis coils.

=A0<= /p>

Bill B

=A0<= /p>

From: Rotary motors in aircraft [mailto:fl= yrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Saturday, March 05, 20= 11 6:19 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Mis= s above staging point.

=A0

Bill,=A0

=A0

Which coils are you running? =A0I chased an intermit= tent miss which occurred in the 6000 -7000 range. =A0I upgraded to the LS2 "Yukon"= ; coils and the miss was gone. =A0

=A0

Mark S.=

On Sat, Mar 5, 2011 at 4:56 PM, Bill Bradburry <<= a href=3D"mailto:bbradburry@bellsouth.net" target=3D"_blank">bbradburry@bel= lsouth.net> wrote:

I have developed a= miss above the staging point.=A0 The fuel pressure seems ok, the mixture also seems ok.=A0 I am at a loss.

=A0<= /p>

To try and trouble= shoot, I am considering getting above the staging point and disabling the primaries and secondaries to see if I can identify which is the cause.=A0 Since it runs ok below the stage, I assume it is not the primaries.

=A0<= /p>

I recently changed= my fuel filters and installed a large canister filter.=A0 There seems a possibility =A0that I introduced some contamination that clogged an injector.=A0 Other wise it seems it must be spark related.=A0 This just happened one flight ago.=A0 The engine was running fine, till that last takeoff.=A0 It was missing and would only get about 6300 rpm.=A0 After take off, I turned the prop back and slowed the engine down to below that number and it smoothed out and ran fine the res o= f the flight.=A0 Today while taxiing around, I noticed that the miss was back= .

=A0<= /p>

Opinions welcomed.=

=A0<= /p>

Bill B

=A0<= /p>

=A0<= /p>

=A0


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