Subject:
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On the subject of air tanks ...
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 14 Aug 2000 15:32:29 GMT
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Original-From:
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John Barnes <barnes@sensors.comSPAMLESS>
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Viewed:
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921 times
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Jennifer Clark wrote:
>I have (a little guiltily) taken the pneumatic elements from the box and
applied
>them in other models, which was interesting. Someone commented in another
thread
>about using the air tanks, and how the can badly affect a model. In some
ways
>I would agree with this, although the jury seems to be out on an opinion
poll of
>my friends of no air tank vs. air tank. The model used a compressor with a
>pressure detecting valve which switched off the motor when the pressure
reached
>a certain point. Basically, the air tank seems to:
Hey! That's why Lego is so great. You can borrow parts and you don't have to
feel guilty!
My two cents worth on air tanks;
I think they dramatically improve pneumatic models, providing a perfect
demonstration
of the autonomy between the power source storing energy in the tank and the
delivery system using it.
I am one of those unabashed Lego Non-Purists (Impurists?) and I have done some
hacking in the area of airtanks.
For testing purposes, not wishing to wear out my pumps prematurely, I use a
small hand
pump to charge the pressure system. This works great.
The hand pump came from one of those pump-up toys you can get at KB these days.
As for airtanks, Lego's blue tanks are fine if you only need a couple of
cubic inches. I
am currently using a bottle from a supersoaker. It hasn't exploded yet and
it has the
capacity to run a pneumatic "thingy" for quite a while. I provide the
initial charge by
hand and then allow the motorized pump to keep it topped up.
JB
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Message has 3 Replies:
 | | Re: On the subject of air tanks ...
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| (...) (snip) (...) You should see how long a 2.5 Gal air tank at 100 psi with a regulator will drive a pneumatic thingy!. I gave up on trying a all lego solution to my coal unloader (because it is "sticky", and the volume of air lost is large), and (...) (25 years ago, 14-Aug-00, to lugnet.robotics)
| | | Re: On the subject of air tanks ...
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| >You should see how long a 2.5 Gal air tank at 100 psi with a regulator will >drive a pneumatic thingy!. I gave up on trying a all lego solution to my coal >unloader (because it is "sticky", and the volume of air lost is large), and >went out and (...) (25 years ago, 14-Aug-00, to lugnet.robotics)
| | | Re: On the subject of air tanks ...
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| Gentlemen (and ladies) 20oz coke or other softdrink plastic containers are rated at greater than 100psi. go figure. So are the 1 and 2 liter bottles. They must withstand being place in the sun in a hot car without exploding. Scott Harclerode (...) (25 years ago, 14-Aug-00, to lugnet.robotics)
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