Servo question

[george kennie]

Yeah, but you wouldn't get that great feeling of release you get from
spending all that extra dough!

Jeff Hughes wrote:

> So, let me get this straight. You buy better servos, than make them
> mushy with expo so the feel like the cheap servos, then decrease
> travel to make them feel closer to the cheap servos. Sounds like the
> cheap servos are what we're all looking for!
>
> > Glen
> >
> > I have never been able to really reproduce that coreless feel, yet
> with
> > more control due to digitals. I added more expo but all surfaces
> around
> > center are still more active. I rarely under roll, always over roll.
> Are
> > you saying that if I reduce the travel of the servo, yet keep the
> same
> > surface deflection that it gets more controllable? If this is the
> case I
> > should easily be able to move up from 22nd place to 21st...
> >
> >
> >
> > Gray Fowler
> > Principal Chemical Engineer
> > Composites Engineering
> >
> >
> >
> >
> > Glen.Watson at aspentech.com
> > Sent by: discussion-request at nsrca.org
> > 07/31/2003 03:59 PM
> > Please respond to discussion
> >
> >
> >         To:     discussion at nsrca.org
> >         cc:
> >         Subject:        RE: Servo question
> >
> >
> > Early this season I swapped my Futaba 9102 coreless wing servos for
> 9150
> > digitals.  As Gray mentions I first added more expo to reestablish
> feel.
> > With this added expo (mushiness) when doing points and slow rolls it
> was
> > difficult to maintain a consistent roll rate.  By decreasing travel
> volume
> > (9ZAP AFR) in addition to reducing relative expo, roll rate became
> more
> > controllable and predictable. I sense there is a relative amount of
> travel
> > volume + expo needed to overcome surface blow back with non-digitals
> to
> > achieve desired mushiness.
> >
> > Switching to digital wing servos has greatly changed the rolling
> > characteristics for me in a positive way.  Rolls are crisper, more
> > predictable in all air speeds and stop-start with more authority.
> >
> > Glen
> >
> >
> > -----Original Message-----
> > From: Gray E Fowler [mailto:gfowler at raytheon.com]
> > Sent: Thursday, July 31, 2003 3:04 PM
> > To: discussion at nsrca.org
> > Subject: Re: Servo question
> >
> >
> > What I noticed when switching to digitals was the need to add more
> > exponential. The coreless had a built in mushiness around center.
> Now I
> > program in the amount of mushiness I want. This probably means that
> once
> > you get used to a certain mushiness you would fly as well with or
> with
> > digitals.
> >
> >
> >
> > Gray Fowler
> > Principal Chemical Engineer
> > Composites Engineering
> >
> >
>
> --
> CoreComm Webmail.
> http://home.core.com
>
> =====================================
> # To be removed from this list, send a message to
> # discussion-request at nsrca.org
> # and put leave discussion on the first line of the body.
> #

=====================================
# To be removed from this list, send a message to 
# discussion-request at nsrca.org
# and put leave discussion on the first line of the body.
#