MK elevator misalignment (part 2)

[Tony Stillman]

I just checked this out.  It must work for Troy, but when I received my
pre-built Smaragd, the builder had installed this system.  It was very
stiff, and hung up in several places, mainly due to not being straight to
start with.

I ripped it out and put the servos in the stabs.....

Tony Stillman
Radio South, Inc.
3702 N. Pace Blvd.
Pensacola, Fl 32505
www.radiosouthrc.com
800-962-7802
----- Original Message -----
From: "David Flynt" <davidflynt at earthlink.net>
To: <discussion at nsrca.org>
Sent: Friday, March 21, 2003 2:39 PM
Subject: RE: MK elevator misalignment (part 2)


> Troy Newman wrote an awesome article on the entire subject.
> http://www.rcaerosport.com/articles/tech/ele%20control/intro.htm or
> http://www.cox-internet.com/donramsey/ElevatorControlSys.htm
>
> I am going to try Troy's suggestion on my next plane, and I know that
> several pilots in D7 are using this method now.
>
> David Flynt
>
>
>
>
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of Keith Black
> Sent: Friday, March 21, 2003 9:48 AM
> To: discussion at nsrca.org
> Subject: Re: MK elevator misalignment (part 2)
>
>
> > putting servos in the stab halves
>
> This is exactly what I had initially considered on my Aries so my
removable
> stab would be easier to remove. Essentially they would be like small main
> wings.
>
> However all the feedback that I received seemed to indicate that this was
a
> bad idea due to extra weight, possible differences in throw over time,
etc.
>
> I'd like to hear pros and cons from others that use used this technique.
>
> Thanks,
> Keith
>
> ----- Original Message -----
> From: "Tony Stillman" <tony at radiosouthrc.com>
> To: <discussion at nsrca.org>
> Sent: Friday, March 21, 2003 8:31 AM
> Subject: Re: MK elevator misalignment (part 2)
>
>
> > I didn't like it on my Excellence either, and I went back to putting
> servos
> > in the stab halves per the instructions on the Smaragd on the PL
website.
> >
> > Tony Stillman
> > Radio South, Inc.
> > 3702 N. Pace Blvd.
> > Pensacola, Fl 32505
> > www.radiosouthrc.com
> > 800-962-7802
> > ----- Original Message -----
> > From: "Bill Carpenter" <bcarpenter at greenvilleisp.net>
> > To: <discussion at nsrca.org>
> > Sent: Thursday, March 20, 2003 5:53 PM
> > Subject: Re: MK elevator misalignment (part 2)
> >
> >
> > > Wayne,
> > >
> > > I haven't been following this particular discussion very closely, but
do
> I
> > > understand that you didn't like the MK bellcrank and went back to pull
> > pull
> > > on the Aries elevator???????
> > >
> > > Bill
> > >
> > > ----------
> > > >From: wgalligan <wgalligan at cnbcom.net>
> > > >To: discussion at nsrca.org <discussion at nsrca.org>
> > > >Subject: Re: RE: MK elevator misalignment (part 2)
> > > >Date: Thu, Mar 20, 2003, 3:36 PM
> > > >
> > >
> > > > BACK to Kevlar pull/pull for me.  Much easier to adjustment in the
> > > > pull/pull also.
> > > >
> > > > Wayno
> > > >
> > > >> I think I may have the solution to this dilemma - Pull / Pull.
> > > >>
> > > >> Gene Maurice
> > > >> gene.maurice at attbi.com
> > > >> Plano, TX
> > > >> AMA 3408
> > > >> NSRCA 877
> > > >>
> > > >> -----Original Message-----
> > > >> From: discussion-request at nsrca.org
> > > >> [mailto:discussion-request at nsrca.org]On Behalf Of Keith Black
> > > >> Sent: Thursday, March 20, 2003 3:21 PM
> > > >> To: discussion at nsrca.org
> > > >> Subject: Re: MK elevator misalignment (part 2)
> > > >>
> > > >>
> > > >> Just checked mine that I bought two or three months ago and found
the
> > same
> > > >> thing. I also noticed that the holes where the arms are inserted
are
> > not
> > > >> centered. This is probably what's causing the problem.
> > > >>
> > > >> Keith
> > > >>
> > > >> ----- Original Message -----
> > > >> From: "wgalligan" <wgalligan at cnbcom.net>
> > > >> To: <discussion at nsrca.org>
> > > >> Sent: Thursday, March 20, 2003 8:47 AM
> > > >> Subject: Re: MK elevator misalignment (part 2)
> > > >>
> > > >>
> > > >> > I checked mine last night and I found the same thing.  Looseness
> and
> > the
> > > >> tabs where not aligned.  I was wondering why I was having a bit of
a
> > problem
> > > >> with the differential when I was setting up.  I also noticed a
slight
> > snap
> > > >> in the setup and thought it was in my connectors being loose but it
> was
> > the
> > > >> looseness of the assembled bellcrank. Know I know why.  When you
> > tighted the
> > > >> assembly the tabs can twist due to the slop. I too did the c/a
trick
> > and it
> > > >> is tight and square now.
> > > >> > BTW this was the black MK Bellcrank and I purchased it last June
> '02
> > from
> > > >> Central Hobbies.  Definitely a Japanese product as you could barely
> > > >> understand the broken English.
> > > >> >
> > > >> > Wayne
> > > >> >
> > > >> >    > I had the same problem with my MK belcrank that I had bought
> > last
> > > >> year. It also had a slop in the movement.The fix I applied is
similar
> > just
> > > >> ca bonding a carbon strip on the flats and reshaping.
> > > >> > > BTW, I am expecting samples of a similar but different brand bb
> > elev
> > > >> belcrank (a local brand look-alike model). I will let you know
about
> > their
> > > >> quality and possible availability of these ones when I receive the
> > samples.
> > > >> > > Nedim
> > > >> > >
> > > >> > >   ----- Original Message -----
> > > >> > >   From: NSRCA Canada-West
> > > >> > >   To: discussion at nsrca
> > > >> > >   Sent: Wednesday, March 19, 2003 11:53 AM
> > > >> > >   Subject: MK elevator misalignment (part 2)
> > > >> > >
> > > >> > >
> > > >> > >   Hi folk's
> > > >> > >
> > > >> > >   Further to my comments on the MK elevator alignment issue, I
> have
> > had
> > > >> a couple e-mails from other builder flyers that 1) have no
alignment
> > problem
> > > >> and 2) do have an alignment problem. It appears as though it may be
a
> > bad
> > > >> batch so heads up.
> > > >> > >
> > > >> > >   I have posted a page showing the problem and a possible
> solution.
> > Hope
> > > >> this helps. http://members.shaw.ca/drev/mk.htm
> > > >> > >
> > > >> > >   Thanks to Iiro Nikkila for bring this to my (our) attention &
> > offering
> > > >> a solution.
> > > >> > >
> > > >> > >   Dave
> > > >> > >
> > > >> >
> > > >> >
> > > >> > =====================================
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