David Megginson writes:
> 
> Roy Vegard Ovesen wrote:
> 
> > No, not more respinsive than possible, but I thought that the damping in 
> > FlightGear _and_ in real world was only for display purposes. So maybe 
> > there would be a possiblility to get the signal before it was damped. 
> > After reading the article on the AVWeb site and noting this:
> > 
> > The instrument also contains a dashpot in order to slow down the 
> > movement of the gimbal ...
> > 
> > and
> > 
> > The dashpot is replaced by a viscous dampener ...
> > 
> > It seems that since the gimbal is dampened it can not output a more 
> > responsive signal.
> 
> Exactly.  The article went on to state that the damping was added 
> specifically for autopilots.  Consider the alternative -- in rough air, the 
> TC is bouncing back and forth from a medium left turn to a right turn every 
> half second or so, and the AP is flexing the ailerons left and right 
> violently trying to compensate.  It's critical that you test your AP in 
> light and moderate turbulence and not just in smooth air, since turbulence 
> is the norm for small planes flying below 8,000 ft or so, especially on a 
> summer afternoon.
> 
> I think that more modern APs, like the STEC, do their own filtering as well 
> -- I've heard people say that they're the first low-end autopilots that you 
> don't have to disengage in light or moderate turbulence.

I don't know if this has been been incorporated into Aircraft autopilot's
but on any *good* marine autopilot the amount of damping is adjustable
so as to be able to tune the AP for the current enviroment

Cheers

Norman

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