X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail-oa0-f52.google.com ([209.85.219.52] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTPS id 6003100 for flyrotary@lancaironline.net; Wed, 09 Jan 2013 12:37:37 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.219.52; envelope-from=sir.luck.florida@gmail.com Received: by mail-oa0-f52.google.com with SMTP id o6so1250269oag.25 for ; Wed, 09 Jan 2013 09:37:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=z9aN97/JTxRPgLAODbQ69curt8nf88M4I8FOsRtO+BM=; b=0fl+zJKes7/4P5ngbm4SQlkpm2yySYlDNu75oUTtRaKFtYoTUt6ywg3KHNAIXOx25s Y5Ru+9n/xwvfzMrRIGC8GbZ1MuIDB2KZ6EdjmXwJXembx4smpV3ySnsvqSjpJDyTz7Y+ PvA9wWPtpat9NzxBeyZYEqU+1m/LVfg0r0dN/Kwp4+g7g9SJZ8TNbey4W54SYQw7YPoE EdZanX+PVPKCWztcjkIyXs/LSaUvkZ8YqUeQLCRGCtwtwK04qZRuFS72KTDGICiPMqyU DCevyYmFe1/3xHWUviPNl4lEFFhUeo0jtODKBbFATXxjtuwbj7ycPdMOhs/AB7mnhKBZ ZI3Q== MIME-Version: 1.0 Received: by 10.182.222.100 with SMTP id ql4mr7410795obc.22.1357753023699; Wed, 09 Jan 2013 09:37:03 -0800 (PST) Received: by 10.76.13.6 with HTTP; Wed, 9 Jan 2013 09:37:03 -0800 (PST) In-Reply-To: References: Date: Wed, 9 Jan 2013 12:37:03 -0500 Message-ID: Subject: Re: [FlyRotary] Re: Aeroquip hose changed to hiccup From: Sir Luck To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=f46d04462c4cab9a5704d2de8226 --f46d04462c4cab9a5704d2de8226 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Virtual Reality?? (Sorry, I couldn't resist). Kenny in Florida On Wed, Jan 9, 2013 at 12:20 PM, Bill Bradburry w= rote: > ** ** ** > > I am currently at a loss as to what a =93VR sensor=94 would be??**** > > ** ** > > B2**** > > ** ** > ------------------------------ > > *From:* **Rotary motors in aircraft** [mailto:flyrotary@lancaironline.net= ] > *On Behalf Of *Ernest Christley > *Sent:* Wednesday, January 09, 2013 9:38 AM > *To:* **Rotary motors in aircraft** > *Subject:* [FlyRotary] Re: Aeroquip hose changed to hiccup**** > > ** ** > > A problem that mimics a poorly wired VR sensor, but **** > > -only happens occasionally, **** > > -with various levels of "response"**** > > -and is getting worse.**** > > ** ** > > Bill, if you haven't done so already, I would suggest changing the wiring > to the VR sensor completely. It sounds to me like a textbook example of > the worst sort of electronic malfunction you can have=85an intermittent o= pen. > You'll never find it under normal test conditions, and it will manifest = at > the most inopportune times. The only way to completely rule it out as a > failure scenario is to completely replace the circuit path.**** > > ** ** > > ** ** > > ** ** > > On Jan 8, 2013, at 11:42 PM, **Bill Bradburry **wrote:**** > > > > **** > ****** > > 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 i= s > 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 lifte= d > off. I had the mixture too rich. I dialed it back and everything smooth= ed > out. This is different. It doesn=92t really backfire. It is a thump an= d 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=92t 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******** > > ** ****** > ****** > --f46d04462c4cab9a5704d2de8226 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: quoted-printable
Virtual Reality??=A0 (Sorry, I couldn't resist).
=A0
Kenny in Florida

On Wed, Jan= 9, 2013 at 12:20 PM, Bill Bradburry <bbradburry@bellsouth.net&= gt; wrote:

I am currently at a loss as to = what a =93VR sensor=94 would be??

=A0=

B2<= /p>

=A0=

From: Rotar= y motors in aircraft [mailto:fl= yrotary@lancaironline.net] On Behalf Of Ernest Christley
Sent: Wednesday, January 09,= 2013 9:38 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Aer= oquip hose changed to hiccup

=A0

A problem that mimics a poorly wired VR sensor, but=A0=

-only happens occasionally,=A0

-with various levels of "response"=

-and is getting worse.

=A0

Bill, if you haven't done so already, I would sugg= est changing the wiring to the VR sensor completely. =A0It sounds to me like a textbook example of the worst sort of electronic malfunction you can have=85an intermittent open. =A0You'll never find it under normal test conditions= , and it will manifest at the most inopportune times. =A0The only way to complete= ly rule it out as a failure scenario is to completely replace the circuit path= .

=A0

=A0

=A0

On Jan 8, 2013, at 11:42 PM, Bill Bradburry = wrote:



No, I have the 2.85 gearbox.=A0= I have the MT electric prop, so I fly WOT and use the prop to govern the engine speed.=A0

I have changed the plugs with n= o effect.=A0 The mixture is fine when this is happening.=A0 Fuel pressure also.=A0 I had an incident once on take off like you describe where the plane was backfiring like crazy just after I lifted off.=A0 I had the mixture too rich.=A0 I dialed it back and everything smoothed out.=A0 This is different.=A0 It doesn=92t really backfire.=A0 It is a thump and it jerks the engine and plane.=A0 You can hear and feel it.=A0 It seems to be a single thump and it has varying degrees of violence.=A0 Some are just = a little miss and some are so bad it shakes everything.=A0 These are less frequent, but they are bad enough that I don=92t think they are good for th= e PSRU, prop, or engine mount.

That is why I have been bugging= Tracy about the change for the EC-2.=A0 I have my fingers crossed that this will fix it.=A0 :>)

=A0=

Bill B

=A0=


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