X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost01.isp.att.net ([207.115.11.51] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTP id 6008742 for flyrotary@lancaironline.net; Sat, 12 Jan 2013 09:41:39 -0500 Received-SPF: none receiver=logan.com; client-ip=207.115.11.51; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-148-45.mco.bellsouth.net[98.85.148.45]) by isp.att.net (frfwmhc01) with SMTP id <20130112144103H0100iqtooe>; Sat, 12 Jan 2013 14:41:03 +0000 X-Originating-IP: [98.85.148.45] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: [FlyRotary]: Hiccup Date: Sat, 12 Jan 2013 09:41:03 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_000_0004_01CDF0A8.F0461870" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac3vZ5EuQj25iF/iQhKl3uywHXfygABaKPyQ X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_0004_01CDF0A8.F0461870 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0005_01CDF0A8.F0461870" ------=_NextPart_001_0005_01CDF0A8.F0461870 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Mark, Right now I am running a set of the standard NGK plugs. I previously had the iridium plugs. I really couldn't tell any difference when I changed from the iridium to the standard. The standard have about 15 hours on them now. Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Thursday, January 10, 2013 2:20 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: [FlyRotary]: Hiccup Bill, What plugs are you running? My 20b runs much better on the Renesis irridium plugs. It used to "hiccup" with the factory NGK plugs, now it only does it when it is time to change plugs. Mark S. On Wed, Jan 9, 2013 at 8:22 AM, Jeff Whaley wrote: Bill, something you can check that doesn't take too long: Pop the top off your EC2 and slowly press on the socketed, micro-controller chips one at a time - they should not move; if one does it is not 100% seated in the socket. Jeff From: "Bill Bradburry" Subject: RE: [FlyRotary] Re: Aeroquip hose changed to hiccup Date: Tue, 8 Jan 2013 23:42:07 -0500 To: "'Rotary motors in aircraft'" Message Header Undecoded Message No, I have the 2.85 gearbox. I have the MT electric prop, so I fly WOT and use the prop to govern the engine speed. I have changed the plugs with no effect. The mixture is fine when this is happening. Fuel pressure also. I had an incident once on take off like you describe where the plane was backfiring like crazy just after I lifted off. I had the mixture too rich. I dialed it back and everything smoothed out. This is different. It doesn't really backfire. It is a thump and it jerks the engine and plane. You can hear and feel it. It seems to be a single thump and it has varying degrees of violence. Some are just a little miss and some are so bad it shakes everything. These are less frequent, but they are bad enough that I don't think they are good for the PSRU, prop, or engine mount. That is why I have been bugging Tracy about the change for the EC-2. I have my fingers crossed that this will fix it. :>) Bill B This message, and the documents attached hereto, is intended only for the addressee and may contain privileged or confidential information. Any unauthorized disclosure is strictly prohibited. If you have received this message in error, please notify us immediately so that we may correct our internal records. Please then delete the original message. Thank you. ------=_NextPart_001_0005_01CDF0A8.F0461870 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mark,

Right now I am running a set of the standard NGK plugs.  I previously had the iridium plugs.  I = really couldn’t tell any difference when I changed from the iridium to the = standard.  The standard have about 15 hours on them now.

 

Bill B

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Thursday, January = 10, 2013 2:20 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: [FlyRotary]: Hiccup

 

Bill, 

 

What plugs are you running?  My 20b runs much better on the Renesis irridium plugs.  It used to "hiccup" with the = factory NGK plugs, now it only does it when it is time to change plugs. =  

 

Mark = S.

On Wed, Jan 9, 2013 at 8:22 AM, Jeff Whaley <jwhaley@datacast.com> wrote:

Bill, = something you can check that doesn’t take too = long:

Pop = the top off your EC2 and slowly press on the socketed, micro-controller chips one at = a time – they should not move; if one does it is not 100% seated in the = socket.

Jeff

 

From:

"Bill Bradburry" <bbradburry@bellsouth.net>

Subject:

RE: [FlyRotary] Re: Aeroquip hose changed to = hiccup

Date:

Tue, 8 Jan 2013 23:42:07 = -0500

To:

"'Rotary motors in = aircraft'" <flyrotary@lancaironline.net><= /o:p>

3D"Message

3D"Undecoded

No, I have the 2.85 gearbox.  I have the MT electric = prop, so I fly WOT and use the prop to govern the engine speed.  =

I have changed the plugs with no effect.  The mixture = is fine when this is happening.  Fuel pressure also.  I had an incident once on take off like you describe where the plane was = backfiring like crazy just after I lifted off.  I had the mixture too = rich.  I dialed it back and everything smoothed out.  This is = different.  It doesn’t really backfire.  It is a thump and it jerks the = engine and plane.  You can hear and feel it.  It seems to be a = single thump and it has varying degrees of violence.  Some are just a = little miss and some are so bad it shakes everything.  These are less = frequent, but they are bad enough that I don’t think they are good for the = PSRU, prop, or engine mount.

That is why I have been bugging Tracy about the change for the = EC-2.  I have my fingers crossed that this will fix it.  = :>)

 

Bill B

 

This message, and the documents attached hereto, is intended = only for the addressee and may contain privileged or confidential information. = Any unauthorized disclosure is strictly prohibited. If you have received = this message in error, please notify us immediately so that we may correct = our internal records. Please then delete the original message. Thank you. =

 

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