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A post by Dave earlier this week got me thinking about LEGO Pneumatic
systems.
For those who are "into" pneumatic systems... if I were to purchase an air
tank, and fill it with a compressor, how many cycles of a cylinder can I get
(fully extend/fully retract) before the performance is diminished
signifigantly?
I ask because I wouldn't mind trying to build an Airservo with a greyscale
encoder/lightsensor (or just use a rotation sensor...) on the piston, and a
high-speed home-made proportional valve (doubt that would work, but it might
if I lube 'er up... no problem there!). Move the valve in relationship to
how far "off the mark" we are from a position fed in by the RCX.
Does this sound viable? I don't have an air tank, but I'd probably order one
of those dandy little kits every one is takling about (provided I maintain
interest in trying this). :)
Iain
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Message has 2 Replies:
 | | Re: Pneumatic Concept
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| it will take about 12 sec. to be corrected if i am wrong. but: (...) I >get (...) The small blue lego tank can be filled with 35 strokes of the big hand pump. once full, it will raise then lower a big cylinder 4 times. this is all from memory, all (...) (23 years ago, 25-Apr-01, to lugnet.org.ca.rtltoronto)
| | | Re: Pneumatic Concept
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| (...) I think Chris is right... about 4 complete cycles of a large cylinder is the best you will get with one air tank. I'm not sure if that doubles with two air tanks... If you use one of the tiny cylinders, it lasts *forever*. I guess you need as (...) (23 years ago, 26-Apr-01, to lugnet.org.ca.rtltoronto)
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