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Posted by Larry in AZ on 01/17/07 23:39
Waiving the right to remain silent, "Richard Crowley" <rcrowley@xp7rt.net>
said:
> "Rayne" wrote ...
>> Hey, thanks for the response. Health and Safety legislation is not so
>> much of an issue as im in mauritius, and there isnt really any emphasis
>> on that kind of thing, that being said, it must obviously be safe as 2
>> or 3 kilos of rig falling on someone's head is a big no-no. The sports
>> rig sounds ideal, however I doubt he ships to this side of the world.
>> No im really trying to work out how to phisically do it
>> myself...perhaps with a little sony HDV cam...
>
> If you really have your heart set on some overhead
> wire suspended gadget, you could always set up a
> static line between the walls and then put the camera
> on a pulley that runs along the static line. With another
> loop, you could move the camera along the line like the
> old-fashioned clothes-lines. Replace the pulley at one
> end with a DC gear-motor or a stepping motor and you
> could remotely-control the camera position.
It isn't that easy. The camera wold be swaying all over the place, and
never able to get a steady, useable shot.
I've seen those cabled rigs. They use massive servo motors on three or
more points, and need to maintain a precise amount of tension on all the
cables simultaneously.
And, they take many hours, if not days, to set up and tweak.
--
Larry Jandro
Video Engineering & Equipment Rentals
Scottsdale, Arizona, USA
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