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Subject: 
Re: A dream Mindstorms/Technic piece...
Newsgroups: 
lugnet.technic, lugnet.robotics
Date: 
Sat, 10 Feb 2001 22:13:45 GMT
Viewed: 
2726 times
  
In lugnet.technic, Jennifer Clark writes:
> 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!
> 
> 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.

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 flexible enough to provide a significant storage effect over long
lengths (though nowhere near the air tank!).

ROSCO



Message is in Reply To:
  Re: A dream Mindstorms/Technic piece...
 
(...) 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 (...) (26 years ago, 10-Feb-01, to lugnet.technic, lugnet.robotics)

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