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Subject: 
 Re: Inchworm 4
Newsgroups: 
 lugnet.technic
Date: 
 Wed, 26 Dec 2007 01:04:42 GMT
Viewed: 
 9863 times
  
In lugnet.technic, Kevin L. Clague wrote:
> I was playing with pneumatic piston and switch linkages trying to improve on the
> geometries I've developed in the past.
> 
> This lead to inchworm 4.
> 
> http://www.brickshelf.com/gallery/kclague/inchworm4/sta_0764.jpg
> 
> Inchworm 4 has two waves travel down its body like inchworm 3
> 
> http://news.lugnet.com/technic/?n=16051
> 
> The big difference is the design of an individual body segment, which ends up
> looking like a 7.  A typical linkage involves a beam running parallel to the
> piston, with the piston offset from the beam and hooked to a switch.
> 
> http://www.brickshelf.com/gallery/kclague/inchworm3/hpim0057.jpg
> 
> Inchworm 4 has the piston in-line with the supporting beam.  A lever hooks the
> piston to the switch, as seen here:
> 
> http://www.brickshelf.com/gallery/kclague/inchworm4/hpim0051.jpg
> 
> The orange 1x5 thick beam in the middle is the lever that hooks the piston to
> the switch.
> 
> This new design makes for a very sleak and simplified than that in inchworm 3
> (IMHO).
> 
> There are more pictures here:
> 
> http://www.brickshelf.com/cgi-bin/gallery.cgi?f=291660
> 
> For some of my old and dear friends, please notice the use of a wide variety of
> colors (does John Barnes have enough time to read technic anymore?)
> 
> PLMKWYT,
> 
> Kevin

I forgot to mention that Inchworm 4 can inch forward or backward by flipping the
polarity reversors on its head.

http://www.brickshelf.com/gallery/kclague/inchworm4/hpim0017.jpg

http://www.brickshelf.com/gallery/kclague/inchworm4/stc_0766.jpg

Kevin



Message is in Reply To:
  Inchworm 4
 
I was playing with pneumatic piston and switch linkages trying to improve on the geometries I've developed in the past. This lead to inchworm 4. (URL) 4 has two waves travel down its body like inchworm 3 (URL) big difference is the design of an (...) (17 years ago, 26-Dec-07, to lugnet.technic, lugnet.announce.moc)  

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