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Axel Rover, 2 wheels are all you need!
lyford
post Feb 6 2009, 02:02 AM
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Demo video of the Axel tethered rover - we could have used this to rappel down Victoria!
Axel Rover

More info here.

And here

And here.




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"Zis is not nuts, zis is super-nuts!" Mathematician Richard Courant on viewing an Orion test
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Paolo
post Feb 6 2009, 05:30 AM
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This remembers me of one of the old designs for the 1960s Prospector lunar rover
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Shaka
post Feb 6 2009, 06:42 AM
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This is mind-blowing.
The winch in the middle is exactly what I need to install in the 'abdomen' of my spelunking spider, SHELOB, to explore Martian caves. The main difference is that my cable will have a fiber-optic core to transmit instructions, data, and video between the surface base station and the subterranean (sorry, don't know the Mars term) probe. I still prefer the six or eight legged spider design to provide long legs for climbing up over bouldery rubble obstructions, and to provide a spacious, stable platform for cameras and other sensors, laser spectrometer, sampling 'mandible', and an exobiology-lab-in-a-shoebox.
But, hey, these guys and I are all on the same page. Bliss. biggrin.gif


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Fran Ontanaya
post Feb 6 2009, 09:18 AM
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It looks like some sort of Framsticks creature. smile.gif
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AndyG
post Feb 6 2009, 09:26 AM
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Major flashback time. I made one of these nearly forty years ago. From a Ladybird book using (as per the link) a wooden cotton reel, pencil, rubber band and a chunk of wax.

Andy, momentarily back in 1970.

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ngunn
post Feb 6 2009, 11:54 AM
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QUOTE (AndyG @ Feb 6 2009, 09:26 AM) *
Andy, momentarily back in 1970.


. . and Nigel likewise a few years earlier. I used to make big ones out of cable reels.

A wacky question comes to mind. Could mechanical energy storage using elastic or springs (I'm guessing flywheels would be too heavy) have any extra-terrestrial robotic applications?
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djellison
post Feb 6 2009, 11:56 AM
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As I said on Twitter - A Mississippi Steam Boat captain just called. He wants his paddle wheels back.

smile.gif


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lyford
post Feb 6 2009, 07:54 PM
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I love that the project page at CalTech lets you see the guts!

Shaka - speaking of "same page" - I assume you have seen these critters?


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Lyford Rome
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Shaka
post Feb 6 2009, 08:20 PM
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Yeah! LEMUR! Other-side-of-the-pillow cool. Del Palmer put me onto it back in the original cave explorer thread.
Definitely a step in the right direction! I hope work is continuing to make it a really agile rock climber.


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