Subject:
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RE: Pneumatic Hand-Pump
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 30 Mar 1999 13:37:20 GMT
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Viewed:
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1036 times
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Kipling wrote:
> Greetings all,
> Has anyone found any interesting applications for the Pneumatic Hand-Pump?
> I found myself puzzling over my rapidly growing collection of them. It does
> not seem to be well suited for a compressor due to it's size and the spring.
Ah yes, the brick separator of Technic - what to do with those hand pumps...
I've tried to take them apart, not too hard to do with jewellers screwsdrivers
to pry the tabs apart - carefully. Removing the spring wont get you much
benefit because of the AREA of the piston. Any useful pressure is going
to be too much for a geared down motor...or too slow.
Keep them as spares, or sell them to unsuspecting eBay buyers....
Cheers,
Ralph Hempel - P.Eng
--------------------------------------------------------
Check out pbFORTH for LEGO Mindstorms at:
<http://www.bmts.com/~rhempel/lego/pbFORTH/default.html>
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Reply to: rhempel at bmts dot com
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Message has 2 Replies:
 | | Re: Pneumatic Hand-Pump
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| (...) Well, I've actually built a compressor with one hand pump (with the spring removed). It was working, but I had to gear down the motor very much and the resulting compressor was very slow. You can see it employed in one of my robotic creatures (...) (26 years ago, 30-Mar-99, to lugnet.robotics)
| | | Re: Pneumatic Hand-Pump
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| Give me a reasonable price and I may buy a few of them w/o Ebay. I only have the one that came with the search sub, so the more pneumatics the better. LegoCork -- Everything else is just a toy... (URL) (26 years ago, 30-Mar-99, to lugnet.robotics)
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Message is in Reply To:
| | Pneumatic Hand-Pump
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| Greetings all, Has anyone found any interesting applications for the Pneumatic Hand-Pump? I found myself puzzling over my rapidly growing collection of them. It does not seem to be well suited for a compressor due to it's size and the spring. I have (...) (26 years ago, 30-Mar-99, to lugnet.robotics)
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