X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost05.isp.att.net ([204.127.217.105] verified) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTP id 6600011 for flyrotary@lancaironline.net; Thu, 14 Nov 2013 16:45:58 -0500 Received-SPF: none receiver=logan.com; client-ip=204.127.217.105; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-98-85-145-16.mco.bellsouth.net[98.85.145.16]) by isp.att.net (frfwmhc05) with SMTP id <20131114214520H05008pt7ne>; Thu, 14 Nov 2013 21:45:21 +0000 X-Originating-IP: [98.85.145.16] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Rotary Digest Activity Date: Thu, 14 Nov 2013 16:45:27 -0500 Message-ID: <4AE910C5FFEE44CBBA5CC317AFE7D00D@Desktop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01CEE158.EC631090" X-Mailer: Microsoft Office Outlook 11 Thread-Index: Ac7hcKDCR5UCQdBOS5qldc2lhW7paQAEV22w X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18463 This is a multi-part message in MIME format. ------=_NextPart_000_0015_01CEE158.EC631090 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Mark, I tried setting the prop for a more coarse setting prior to landing like you describe. I probably come in too fast, but with the prop set like that, I floated in ground effect almost the length of the runway, then when I added power to go around, I didn't have much climb power. I tried it a few times and it was similar each time. I could probably learn to land that way, but I gave it up and went back to the brake effect you get with a flat prop when you cut the power. I will try the learning method you describe to see if that fixes the surge problem. You haven't reported on how your plane is doing with the new panel??? B2 _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle Sent: Thursday, November 14, 2013 2:35 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Rotary Digest Activity Bill, I also have an M/T electric prop. I discovered a long time ago that my landings are more predictable if I switch the prop over to manual mode prior to entering the pattern. I typically level off about 3-5 miles out, change the prop rpm to 2100, wait for it to re-adjust itself, then switch to manual mode. This makes the prop behave like a fixed-pitch, and from this point to touchdown I fly it like a fixed-pitch prop. Regarding your surging issue, Tracy suggested to me to simulate a landing, but at a safe altitude. Set up as if you were in the pattern preparing to land, and then put the EM-2 into auto-tune mode. Let the EM-2 tune the settings which are impossible to tune on the ground. Worked for me. Thanks, Mark On Thu, Nov 14, 2013 at 12:06 PM, Bill Bradburry wrote: Jack, I think everybody is waiting for an opportunity to help someone with a problem. So I am always ready with one that I can use a little assist on. I am having an engine surge and wildly fluctuating mixture when I get into the pattern and reduce the manifold pressure to around 15 inches and below. I have an MT electric constant speed prop, so my engine rpm at this time is pretty high, usually around 6K. This is an area that can not be tuned on the ground and I suspect that is the problem, however, the MAP table is at the factory setting of zero in areas that I have not tuned. It can get pretty exciting when it starts so I would like to get it ironed out. Others having similar problems or how to go about the fix? Bill B _____ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of marv@lancair.net Sent: Thursday, November 14, 2013 12:08 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Rotary Digest Activity HI Jack, I checked and found your subscription to be intact. It appears that there has been no Flyrotary traffic since 11/3. Very strange, indeed... but it happens I guess. Could be everybody's buttoning down for the winter... we'll see. "Jack Hilditch" : > Good morning, > > > > I watch for the digest every morning but the last one that arrived is >flyrotary > Digest #3834 dated 11/04/2013. Have I been unsubscribed for some unknown >reason > or has the list simply gone quiet? > > > > Thanks very much, > > > > Jack > > > > Jack Hilditch, MCP > > T3CS Systems Support > > 205 Storrs Road > > Mansfield Center, CT 06250 > > Cell 860-729-6948 > > wmjack@t3cs.net > > > > > > > -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_0015_01CEE158.EC631090 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Mark,

I tried setting the prop for a more = coarse setting prior to landing like you describe.  I probably come in too = fast, but with the prop set like that, I floated in ground effect almost the = length of the runway, then when I added power to go around, I didn’t have = much climb power.  I tried it a few times and it was similar each = time.  I could probably learn to land that way, but I gave it up and went back to the = brake effect you get with a flat prop when you cut the = power.

 

I will try the learning method you describe to see if that fixes the surge = problem.

 

You haven’t reported on how = your plane is doing with the new panel???

 

B2

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Steitle
Sent: Thursday, November = 14, 2013 2:35 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Rotary Digest Activity

 

Bill, =

I also have an = M/T electric prop.  I discovered a long time ago that my landings are = more predictable if I switch the prop over to manual mode prior to entering = the pattern.  I typically level off about 3-5 miles out, change the = prop rpm to 2100, wait for it to re-adjust itself, then switch to manual = mode.  This makes the prop behave like a fixed-pitch, and from this point to = touchdown I fly it like a fixed-pitch prop. 

Regarding your = surging issue, Tracy suggested to me to simulate a landing, but at a safe altitude.  Set = up as if you were in the pattern preparing to land, and then put the EM-2 into auto-tune mode.  Let the EM-2 tune the settings which are = impossible to tune on the ground.  Worked for me.

Thanks,
Mark

 

On Thu, Nov 14, 2013 at 12:06 PM, Bill Bradburry <bbradburry@bellsouth.net> wrote:

Jack,

I think everybody is waiting for an opportunity to help = someone with a problem.  So I am always ready with one that I can use a = little assist on.

 

I am having an engine surge and wildly fluctuating mixture = when I get into the pattern and reduce the manifold pressure to around 15 = inches and below.  I have an MT electric constant speed prop, so my engine rpm = at this time is pretty high, usually around 6K.  This is an area that = can not be tuned on the ground and I suspect that is the problem, however, the = MAP table is at the factory setting of zero in areas that I have not = tuned.  It can get pretty exciting when it starts so I would like to get it = ironed out.

 

Others having similar problems or how to go about the = fix?

 

Bill B

 

From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of marv@lancair.net
Sent: Thursday, November = 14, 2013 12:08 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: = Rotary Digest Activity

 

HI = Jack,

 

I checked and found your subscription to be intact.  It appears that there = has been no Flyrotary traffic since 11/3.  Very strange, indeed... but it = happens I guess.  Could be everybody's buttoning down for the winter... we'll = see.

 

  <marv>




 "Jack Hilditch" <wmjack@t3cs.net>:

> Good morning,
>
>
>
> I watch for the digest every morning but the last one that arrived = is
>flyrotary
> Digest #3834 dated 11/04/2013. Have I been unsubscribed for some = unknown
>reason
> or has the list simply gone quiet?
>
>
>
> Thanks very much,
>
>
>
> Jack
>
>
>
> Jack Hilditch, MCP
>
> T3CS Systems Support
>
> 205 Storrs Road
>
> Mansfield = Center, CT 06250
>
> Cell 860-729-6948
>
> <mailto:wmjack@t3cs.net> wmjack@t3cs.net
>
>
>
>
>
>
> 

--
 
Homepage:  http://www.flyrotary.com/<=
/pre>
 
Archive =
and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.h=
tml

 

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