Sunday, September 27, 2009

Week TechVideo, 2009 #39 - Pneumatic Fever

It looks you guys, are all quite excited about the pneumatics return... so I decided to give you a pneumatic overdose and highlight here today, both one automatic Hexapod and one automatic Octapod from robolegoenthusiast.

Amazing, isn't it?

I'm also a fan of the many Kevin Clague's [1, 2] pneumatic multi-leg bugs.
However many of their correspondent online videos, are not yet available from a content system suitable to make them embedded here. So I've just selected a few from those available, to give here a brief sneak of Kevin's creations too.

You may find a few more videos at his YouTube channel and a lot more detail about other pneumatic projects at his website (Kevin Clague's LEGO Page).
If you would like to initiate on automatic pneumatic sequencing techniques it may worth to take a reading on this other Kevin Clague's tutorial.


Junkstyle Gio said...

Last weeks news gave us a new Technic model with 2 pneumatic cylinders. It got over 70 comments in about a week.
This one is now almost 3 days old. And little old me, being not a fan of pneumatics, is the first?
I do think these models are a but TOO much for most of us.

santi said...

The first two models have an air of "cheating" (the first one does not lift its own weight with the legs, and the second one has a weird 2-platform mechanism with 4 legs per platform...). But the last 2 are quite impressive! never got myself into pneumatics, but if Lego is bringing them back, I'll have to give it a try! :)

Alex Campos said...

Myself being building a pneumatic hexapod (although controlled by an RCX), I can understand the engineering feats present in all these!

There's one thing I don't understand, though: considering the speed the cylinders expand/contract and being able to hold the bug's weight, I'm sure a LOT of air pressure is required. I wonder how all the tubes managed to keep in their places without popping off!

@santi: I'm not sure, but I think the first one stands only on its legs. In the first part, where the legs are manually controlled, indeed we can hear a dragging sound, but not in the rest.

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