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Subject: 
Re: pneumatics & mindstorms?
Newsgroups: 
lugnet.robotics, lugnet.build
Date: 
Tue, 13 Oct 1998 01:01:01 GMT
Reply-To: 
mattdm@mattdm!NoMoreSpam!.org
Viewed: 
136 times
  
Chris Moseley <moz1@ihug.co.nz> wrote:
So, yeah, pneumatics are powerful enough for most things. The problems are 1:
you need a compressor to power them, which eats batteries; and 2: you need a
(micro)motor and pneumatic switch for each output channel as well as the
pneumatic cylinder. Fredrik will not be doing this in his small, elegant

Hmmm. Given all that, maybe I'll just continue to pass on them.

--
Matthew Miller                      --->                  mattdm@mattdm.org
Quotes 'R' Us                       --->             http://quotes-r-us.org/



Message has 2 Replies:
  Re: pneumatics & mindstorms?
 
Matthew Miller wrote in message ... (...) 1: (...) a (...) Pneumatics are ok if you like them for the sake of it, for the sound of the puffs, the impressive sight of all the tubes, the compressor collecting pressure etc. If you just want to move (...) (26 years ago, 13-Oct-98, to lugnet.robotics, lugnet.build)
  Re: pneumatics & mindstorms?
 
Oh, and worst of all, the air switches are so tight that you need a strong Technic motor to switch them. We really need a compact electromagnetic air switch or at least a friction-free manual switch. Eric Brok (26 years ago, 13-Oct-98, to lugnet.robotics, lugnet.build)

Message is in Reply To:
  Re: pneumatics & mindstorms?
 
(...) A single pneumatic cylinder will break a 16-beam in half fairly readily. My (big) truck crane boom weighed about 4lbs, mith a center of mass about 18" from the bottom, and 3 cylinders could lift that when perched about 5" from the pivot. So, (...) (26 years ago, 12-Oct-98, to lugnet.robotics, lugnet.build)

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