Subject:
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Re: SSClagorpion - Compressor
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Newsgroups:
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lugnet.technic
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Date:
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Sun, 23 May 2004 13:33:30 GMT
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Viewed:
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19695 times
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In lugnet.technic, Mark Bellis wrote:
> This is why I use a car tyre air compressor with pressure setting. It works
> hard to maintain the pressure you set (I use 25-30psi) and leaks any excess to
> the atmosphere. That way it keeps the pressure as high as it should be and
> protects the Lego parts against overpressure. I see no shame in using a
> non-Lego method to supply more air power (or electric power for trains) if the
> official Lego method is inadequate for bigger models.
>
> I think you need an overpressure release valve. Use two small cylinders pushing
> a valve switch against elastic band tension. When the pressure in the cylinders
> is greter than the elastic tension the valve will release some air.
This type of valve will be used to turn the power on/off (via polarity switch)
for the compressor.
Instead of needing an overpressure valve, the compressor will be turned off,
saving batteries.
I think we all agree, sometimes you really need to use non-LEGO parts, but Kevin
is interested in trying as hard as possible to avoid that, if possible.
Steve
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Message is in Reply To:
 | | Re: SSClagorpion - Compressor
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| (...) The limiting factor with the speed of the model is composed of two things: 1. The total volume of air between the valve that is switched and the cylinders that were previously supplied before the valve was switched. 2. The rate of supply of (...) (21 years ago, 22-May-04, to lugnet.technic)
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