Subject:
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Re: pneumatics & mindstorms?
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 27 Jul 1999 20:02:49 GMT
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Original-From:
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Joel Shafer <joel@connect.net&SayNoToSpam&>
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Viewed:
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1252 times
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> The picture on the Mindstorms set box is shot from a differnt angle, and from
> that you can see the big air pump, with its spring still attached, is used in
> the compressor.
>
> Has anybody built this robot from the pictures? I always wonder how well the
> compressor works.
>
> Cheers,
> Hao-yang Wang
I built a compressor with the large pump with the spring removed. It
worked but it was too slow . It took 3-4 minutes before enough pressure
was available to open a big piston just once. The compressor had to be
geared very slow to provide enough torque to operate.
Joel Shafer joel@connect.net
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: pneumatics & mindstorms?
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| (...) I had exactly the same experience. I used that kind of compressor on my S5 robot many months ago, it's slow and unefficient. The small pumps work much better. Ralph Hempel has a very good double action compressor in his page: (URL) like his (...) (25 years ago, 28-Jul-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: pneumatics & mindstorms?
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| (...) Nice thread - I'll have to pick up a Technic Sub to get a compressor tank (or is there one available cheaper elsewhere?) Anyway... Has anyone here seen the high-quality photo of the soda-can grabber 'bot that Lego has at its Mindstorms site? (...) (26 years ago, 15-Oct-98, to lugnet.robotics, lugnet.build)
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