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In lugnet.build, Geoffrey Hyde writes:
> First, this really belongs in lugnet.technic and lugnet.build - I think
> maybe people who have built controls for pneumatics might be interested as
> well.
Oops! Sorry about that.
> Second, in response to Jurgen's post, I think feedback would only solve half
> of the problem. A better design, such as a back pressure limit switch would
> do much more for real pneumatic control. A lot of the pressure depends on
> the load of technic parts that the cylinder has to bear, therefore it is a
> lot easier for a cylinder bearing a large weight to retract than it is to
> extend.
Just to clarify my original post. I am interested in more exact control of
both position and applied force.
I am interested in trying to build mechanisms found in read life things like
cars and was thinking about power steering servos when I started playing
about with pneumatics. Perhaps this is a bit hard for Lego:-)
Al Telanco
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