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Subject: 
Re: Pneumatic pump and switch version 2
Newsgroups: 
lugnet.robotics
Date: 
Wed, 28 Nov 2001 19:35:16 GMT
Viewed: 
1684 times
  
John Barnes wrote:
> 
> That is a really nice way to drive the pneumatics
> system from a motor! Excellent!! It opens the door
> to RCX controlled pneumatic "effectors" rather neatly.
> You can hide the motor and pump assembly in the "guts"
> of the beast while placing the cylinder where the
> action is required - without the weight penalty of
> using the motor itself at the end of arms or other
> appendages.
> 
> I see no reason why multiple pump/switch combinations
> of this type shouldn't share a common blue tank.
> 
> Your comments about not running the thing continuously
> are well taken - waste of electrical (battery?) power
> and needless wear and tear on the pump and gears.
> 
> So does this mean an RCX compatible pressure sensor might
> become more than just a one of a kind curiosity? Should
> I set to work?

It's easy to make an all LEGO shut off switch. Use a Polarity switch and
a small cylinder. Use elastic bands to hold it to offset the air
pressure. When the pressure is enough to push the piston up it toggles
the switch and cuts the power. Works very well, if your interested I
could take pics of my auto shutoff and 4 piston compressor.

Dean
--
Dean Husby
LUGNET Member #320
TFM's LEGO Workshop - http://www.akasa.bc.ca/tfm
The Vancouver LEGO Club - http://www.akasa.bc.ca/vlc/



Message is in Reply To:
  Re: Pneumatic pump and switch version 2
 
That is a really nice way to drive the pneumatics system from a motor! Excellent!! It opens the door to RCX controlled pneumatic "effectors" rather neatly. You can hide the motor and pump assembly in the "guts" of the beast while placing the (...) (25 years ago, 28-Nov-01, to lugnet.robotics)

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