Subject:
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Re: A dream Mindstorms/Technic piece...
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Sat, 10 Feb 2001 17:24:57 GMT
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Viewed:
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1351 times
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In lugnet.technic, Ross Crawford writes:
>
> I had plans to look at a
> double acting compressor using a single cylinder & 2 of the old pneumatic
> bricks, but your design is probably more compact!
That's a pretty cool idea, and it would probably shave off a stud or two of
width from a compressor built in a similar configuration to mine. The only
thing I have wondered about with the cylinders (and this applies to them in
normal use as well) is how big a difference of capacity there is in the
chambers between the upstroke and downstroke.
I would have thought the downstroke chamber would have less volume since it
has the driving rod running though it, leading to greater pressure being
required to exert an equivalent force as the upstroke. In compressor mode
you'd get less air pumped in the downstroke.
Jennifer Clark
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Message has 1 Reply:
 | | Re: A dream Mindstorms/Technic piece...
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| (...) Yeah, I'd thought about that, but my application was gonna include an air tank, which would alleviate the problem a bit. Without a tank, there'd probably be a noticable effect, depending on how long your lines are. I've found the Lego ones are (...) (24 years ago, 10-Feb-01, to lugnet.technic, lugnet.robotics)
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