An autonomous robot to push the mower.  Comes complete with beer/ 
chips ingesting orifice ( for energy ) , expandable thorax filled  
with beer/chips  ( for additional traction ).
cc

> On Jul 31, 2008, at 9:42 AM, Apptech wrote:
>
> - A wire grid would relatively easy to install ("mole plow"
> insertion) and probably as easy and accurate to drive as any
> other system.
>
> - A small UAV
>
> 1     flies a search grid looking for the mower.
> or
> 2     carries a camera which views the mover and targets for
> location.
>
> - A hot air ballon on a cable, powerd by a heater which
> allows it to always stay aloft ...
>
> - Hmm.
>   Mower.
>   Microphones mounted on the house ... .
>
> - An ultrasonic ranger on the mower identifies IR beacons
> and calculates their distance.
> or
> Utrasonic rangers detect the mowers location using a beacon
> on the mower.
>
> - A ...
>
> Sounds like fun.
>
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