Subject:
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Re: Pnuematics: e-switch and thoughts
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Newsgroups:
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lugnet.build, lugnet.robotics
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Date:
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Tue, 10 Aug 1999 23:13:07 GMT
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Viewed:
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122 times
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In lugnet.build, Karim Nassar writes:
> [...]
> If you take two identical cylinders and cross-connect them; that is
> connect the bottom port of one to the top port of the other and vice
> versa, then you can transfer linear motion very easily from one part
> of a model to another.
> [...]
> Depending on how much pressure you have between the cylinders, this force may
> not be very strong, but it can be very usefull. If you connect the cylinders
> straight, bottom to bottom, top to top, you get an "inverse motion" where
> compressing one cylinder extends the other. This force tends to be stronger
> than the other way. [...]
If you use a t-connector to connect each side of the circuit to a compressor
(that uses a SMALL pump and NO tank!) you can maintain high pressure, and the
fact that the pump's cylinder is small compared to the other two cylinders
means that you introduce relatively little slop. However, you need a seperate
compressor and pump for each half of the circuit (to keep them isolated), so
it's not too practical.
- Robert Munafo
LEGO: TC+++(8480) SW++ #+ S-- LS++ Hsp M+ A@ LM++ YB64m IC13
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Message is in Reply To:
 | | Re: Pnuematics: e-switch and thoughts
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| I must applaud Linc for a wonderfully design switch... I love it :) I also agre with everything he has said about the Pneumatic elements. One trick I have found to be very usefull is using pneumatic cylinders as motion-transfer devices. If you take (...) (26 years ago, 21-Oct-98, to lugnet.build, lugnet.robotics)
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