Bill,

I also have an M/T elec= tric prop.=A0 I discovered a long time ago that my landings are more predic= table if I switch the prop over to manual mode prior to entering the patter= n.=A0 I typically level off about 3-5 miles out, change the prop rpm to 210= 0, wait for it to re-adjust itself, then switch to manual mode.=A0 This mak= es the prop behave like a fixed-pitch, and from this point to touchdown I f= ly it like a fixed-pitch prop.=A0

Regarding your surging issue, Tracy suggested to me to simulate a= landing, but at a safe altitude.=A0 Set up as if you were in the pattern p= reparing to land, and then put the EM-2 into auto-tune mode.=A0 Let the EM-= 2 tune the settings which are impossible to tune on the ground.=A0 Worked f= or 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.=A0 So I am always ready with on= e that I can use a little assist on.

=A0

I am having an engine surge a= nd wildly fluctuating mixture when I get into the pattern and reduce the manifold pressure to around 15 inches and below.=A0 I have an MT electric constant speed prop, so my engine rpm at this time is pretty high, usually around 6K.=A0 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 ze= ro in areas that I have not tuned.=A0 It can get pretty exciting when it start= s so I would like to get it ironed out.

=A0

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

=A0

Bill B

=A0

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

=A0

HI Jack,

=A0

I checked and found your subscription to be intact. =A0= It appears that there has been no Flyrotary traffic since 11/3. =A0Very strange, indeed... but it happens I guess. =A0Could be everybody's butt= oning down for the winter... we'll see.

=A0

=A0 <marv>

=

=A0"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 unkno= wn
>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> wmja= ck@t3cs.net
>
>
>
>
>
>
>

--<= u>
=A0
Homepage:=A0 http://www.flyrotary.com/

=A0=
Archive and UnSub:=A0=A0 http://mail.lancair= online.net:81/lists/flyrotary/List.html