 | | RE: Rotary electrical coupling
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It's interesting you mention this. I have also started to use RJ11 and RJ45 connectors in my constructions. It is a neat and compact way of routing 2, 4, 6, or 8 wires around. I am working out the most neat and compact way of stuffing them into a (...) (26 years ago, 6-Oct-99, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Blue Air Tanks
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I've used a very light aluminum air freshener can called OZUIM. It's about 7-8 inches in length and a little over an inch in diameter. My guess is it is about 3 to 4 times the internal volume of the blue tanks. By removing the spray nozzle and using (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: Blue Air Tanks
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Zany Brainy stores in the U.S still have a stock of the submarine model with the air tank. KL (...) (26 years ago, 6-Oct-99, to lugnet.robotics, lugnet.build)
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| | Re: pneumatic and hydraulic cylinders
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Hi everyone! can anyone recommend a place where i can get pneumatic and hydraulic cylinders, and hopefully at reasonable prices? my team and i are planning to build a robot making use of those cylinders. has anyone done the same? any advice would be (...) (26 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | LEGO robotics dis'd in CACM Forum.
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Howdy, Has anyone seen the October issue of Communications of the ACM? On page 13 is a letter critical of the recent article, "Using Autonomous Robotics to Teach Science and Engineering," that appeared in the June '99, page 85. The article is all (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Blue tanks
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Lego shop at home has the sub discounted to $25.00. It's a deal! You get pneumatics stuff, including the blue tank, and a lot of other handy technic stuff like long yellow beams. JB (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: Blue tanks
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(...) Unfortunately, the sale expired on 30 September, IIRC. I don't know about S@H's policy on holding firm on such dates; might be worth a phone call to check on it. Cheers, Roger (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: LEGO robotics dis'd in CACM Forum.
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BAH! (to the writer of the nasty letter in the ACM communications) If one but peruses the Robot Store catalog (www.robotstore.com)--which I actually use as a source of inspiration for Lego 'bot building, one will see that Lego is by far the least (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | RE: LEGO robotics dis'd in CACM Forum.
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"Also, while LEGOs (sic) are a wonderful tool for encouraging creative play in children, they fall flat as a university educational or research tool. LEGOs (sic) have so many structural limitations, and LEGO geartrains have such poor frictional and (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | RE: pneumatic and hydraulic cylinders
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Reasonable is a such a subjective term ;>) You might look at (URL) They have a very broad assortment of small pneumatic stuff. Internationally available Parker http:/www.parker.com has all the big stuff you'll ever need... not necessarily cheap, but (...) (26 years ago, 6-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Blue tanks
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(...) The Fall S@H still has it for $25 - a very good LEGO deal. DLC (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: Blue tanks
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(...) Very true...and I'm glad to see this is still on-going. Now, if only I had the -current- catalogue to which you make reference... Cheers, Roger (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | RE: Blue tanks
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(...) I think S@H is mailing these one by one or something. I have seen "I've got it yesterday" messages for a couple of weeks now, but I still don't have one myself. Tilman (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: Blue tanks
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(...) <laughter> Now, if my alleged luck holds true-to-form, I'll get back home tonight and find one in my post-box, having kvetched about it here in public.... Cheers, Roger (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: LEGO robotics dis'd in CACM Forum.
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---...--- (...) check out: < (URL) > It list for DM 499, which works out to US$ 260 ... later, greg (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: LEGO robotics dis'd in CACM Forum.
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Hmmm...mmm. Shall we compare ... ? Fischertechnic: $260 US 8 models 280 parts Lego RIS: $200 US 12 challenges, virtually infinite number of models 700 parts -----Original Message----- From: christie <christie@apple.com> To: (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | RE: LEGO robotics dis'd in CACM Forum.
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(...) Fischer-Technik is mechanically far superior and more flexible than Lego. It uses metal axles, allows variable positioning (not studs), and is much stronger overall. You can build mechanisms that do real work without worrying about plastic (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | Re: Blue Air Tanks
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Lego Shop-at-Home still has the #8250 Search Sub for $25 (previously $50). The set includes one blue air tank, a large pump, and other pneumatic parts. It also includes 9 or 10 16-stud beams and other useful Technic parts. A good Technic value at 7 (...) (26 years ago, 6-Oct-99, to lugnet.robotics, lugnet.build)
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| | Re: LEGO robotics dis'd in CACM Forum.
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(...) Either of your examples are possible with Lego... at least for sufficiently small quantities of "weights". Seriously, I always liked the engineering challenge that Lego provides. Solving the structural and mechanical issues generally carries (...) (26 years ago, 6-Oct-99, to lugnet.robotics)
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| | good day, please a pointer to...
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please, a pointer to Lego Shop at Home and where / who to call/contact to get this 'catalog' you are all talking about. tia (26 years ago, 6-Oct-99, to lugnet.robotics)
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