See http://www.seattlerobotics.org/ for links to modifying Futaba
S-148 servos for continuous rotation, at
http://www.seattlerobotics.org/guide/servohack.html <G>

  The SRS members use these servos quite a bit for Robotics.  Now if
only I could make it to more meetings...  (I work weekends.  Drat!)

  Mark

Philip Starbuck wrote:
>
> <SNIP>
>
> >> Yes, but they are not intended to be continuously rolling. They
> >> go to a certain angular position depending on the PPM that they
> >> receive on the signal line.
>
> The above comment raises another question, is is there a duty cycle limitation
 placed on the modified servo under a given load. In normal operation, the servo
 is commanded to a position then it uses a small amount of current to hold that
position.  When used as a drive motor the servo is commanded to turn on and driv
e in that direction for an extended time, this would seem to cause greater power
 dissipation in the motor and control board than it was originally designed for.
  Are there additional mods required to reduce heating in the motor and/or drive
 board when a hobby servo is used in this manner?
>
> <SNIP>
>
> cheers,
>
> Philip Starbuck
>
> Philip Starbuck
> (909) 792-7917
>
> "There are three principal ways to lose money.  Wine, women, and engineers.  W
hile the first two are more pleasant the third is by far the more certain."
>                                                 -- Baron Rothschild
>                                                         ca. 1860