Gosh, a lot of technic treads required her. I estimate about 80 for each chain, x 4 = 320 approx total.Maybe the design could be adapted to use shorter chains? The Star Wars [tm] SandCrawler http://shop.lego.com/product.asp?p=10144 is not cheap, and it apparently has only 273 tread links.
(this is talking about the text below the picture)I don't think that it would be a good idea for him to mount a rotating ultrasonic sensor. At that height, it would probably see right over most houshold clutter and as a result wouldn't be a very eficiant obstical avouder. I think that I would put the NXT brick on horozontaly instead.
I agree... with my bots, I typically mount the US close to the ground. But there might be some instances where having it up high might be needed... Jim
You're right - the sensor mounted high would be a problem with the current state of the robot - however I'm planning on creating a bumper system using the touch sensor. As for the treads... um... Let's just keep all that caculating between us... (Don't want my wife stumbling on this blog :-P
"Overall I'm starting to like this design - just having him run around and yell "OH NO!" was amusing. :-P " that made me really laugh i think its a brilliant design! Cheers, Becca
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