Subject:
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Re: RCX Controlled Air Compressor Tester
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 7 Oct 1999 13:34:30 GMT
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Viewed:
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1602 times
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I'm using one of my old cylinders for my cut-off pressure switch. This only uses one of
the inlets any way.
They are OK for once only trigger events. They can also be used to transfer motion from
one place to another by simply connecting two with tubes. i.e.:
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V ^
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o
| o
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[ ] [ ]
[ ] A [ ] B
[ ] [ ]
I------------------------------I
If you spring load 'B' it will reset when 'A' is released. Or you can make 'A' a with
spring pump.
Antony
S. Crawshaw <lego-robotics@crynwr.com> wrote in message
news:Pine.LNX.3.96.991007123216.9216A-100000@quokka.eng.cam.ac.uk...
> But do you reckon the seals are the same? They may use different material
> now...
>
> BTW, does anyone have any good uses for the old cylinders? They are pretty
> feeble when pulling (ie relying on "vacuum"), and seem (IMO) to be less
> well-built than the newer ones.
>
> The old hand-pumps seem to be acceptable as cheap alternatives to the
> current ones, so long as you put a 2-way valve on them. (Assuming you
> still have a working one... ;-) )
>
> Stuart
>
>
>
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Message is in Reply To:
 | | Re: RCX Controlled Air Compressor Tester
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| (...) But do you reckon the seals are the same? They may use different material now... BTW, does anyone have any good uses for the old cylinders? They are pretty feeble when pulling (ie relying on "vacuum"), and seem (IMO) to be less well-built than (...) (25 years ago, 7-Oct-99, to lugnet.robotics)
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