Subject:
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Re: Pneumatic tubes capabilities
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Newsgroups:
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lugnet.technic
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Date:
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Fri, 6 Sep 2002 20:50:16 GMT
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Viewed:
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562 times
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In lugnet.technic, Pedro Silva writes:
> I have recently developed a pneumatic gizmo to remotely act on my train
> track points, which is working quite nicely. The thing is, I don't know *how
> far apart* can I place the compressor so that the loss of charge in the
> tubes isn't too big. Has anyone tested this?
From my experience, you can have really long tubes (10~20 feet, or more) and
not have significant losses due to friction. What you should be concerned
with is the volume of the tubes.
Basically, if you have a lot of long tubes, your system will behave as if it
has an airtank. However, if you keep your system charged, this shouldn't be
a problem. With your system fully pressurized, the operation of the cylinder
should be instantaneous with the switch.
If you're operating one cylinder infrequently, the system should have plenty
of time to charge back up, and you'll never have a delay in operation.
TJ
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Message has 2 Replies:
 | | Re: Pneumatic tubes capabilities
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| (...) In a way, that was what I meant: since the tubes are made of rubber, they are somewhat elastic (thus they can increase their volume significantly if they are long enough). (...) Ok, I guess I got it: it can work, but it must be always "on", (...) (22 years ago, 6-Sep-02, to lugnet.technic)
| | | Re: Pneumatic tubes capabilities
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| "Thomas Avery" <thomas.avery@intec-hou.com> wrote in message news:H21B7s.FzE@lugnet.com... (...) *how (...) and (...) it (...) be (...) cylinder (...) plenty (...) Hmm... When the valve is switched in one direction, one tube to the cylinder gets air (...) (22 years ago, 6-Sep-02, to lugnet.technic)
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Message is in Reply To:
| | Pneumatic tubes capabilities
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| Hi, I have recently developed a pneumatic gizmo to remotely act on my train track points, which is working quite nicely. The thing is, I don't know *how far apart* can I place the compressor so that the loss of charge in the tubes isn't too big. Has (...) (22 years ago, 6-Sep-02, to lugnet.technic)
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