[SPAM] Re: Rudder counterbalance ?

[Ed Alt]

We ran into the same exact problems with oscillation on the big gas birds. 
Too much mass causes problems, as do linkage & gear slop and geometry 
issues.  The lighter the control surface, the better.
Ed
----- Original Message ----- 
From: "Bob Richards" <bob at toprudder.com>
To: <discussion at nsrca.org>
Sent: Saturday, April 30, 2005 9:26 PM
Subject: Re: Rudder counterbalance ?


> --- Grow Pattern <pattern4u at comcast.net> wrote:
>>>> As powerful as our new digital servos are I don't
> think that they "brake" the return swing as well as
> they initiate the first movement/response.
>
> It is noticeable that the bigger planes use multiple
> servos with the thinking that more power is needed. It
> is more stopping power that, IMHO, the we really
> need.<<<
>
> I agree. I'm in the middle of a PLC programming class,
> and we had a lesson the other day on PID programming.
> The first thing I thought of was how it could apply to
> servos. It would be nice to be able to "tune" the
> servos for the particular application. They could be
> electronically dampened to prevent the oscillation
> with heavy control surfaces.
>
> Bob R.
>
>
>
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