 | | Micro Scout can run off its own motor —Robert Munafo
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| | | I just got the Droid Development kit. Try this: * Connect an axle to the motor of the Micro Scout. Disconnect and/or remove any other things that you have connected to the Micro Scout. * Take out the batteries (if any) * Start turning the motor (...) (25 years ago, 29-Aug-99, to lugnet.robotics)
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| | | | | More about DDK (was Re: Micro Scout can run off its own motor —Robert Munafo
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| | | | | Okay, here's another cool thing about the Droid Development Kit -- it includes a bunch of the new three-way bevel gears. I call them "three-way" bevel gears because they're like two bevel gears back-to-back with a normal gear in the middle. The (...) (25 years ago, 1-Sep-99, to lugnet.robotics)
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| | | | | | | Lego Calipers —Ben Williamson
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| | | | | | | (...) Quite useful too - I used the 20t gear in my (very simple) calipers which are now on the web: (URL) Those 4-stud-long gear rack thingies have 10 teeth each, and I wanted to get close to one increment on the rotation sensor per stud of (...) (25 years ago, 1-Sep-99, to lugnet.robotics)
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| | | | | | | | | Re: Lego Calipers —Robert Munafo
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| | | | | | | | (...) (actual URL is (URL) ) (...) Those calipers are pretty cool. It seems to me though you could get more precision, since the slop on the gears is a lot less than half a stud. The rotation sensor presents very little friction torque, so I imagine (...) (25 years ago, 1-Sep-99, to lugnet.robotics)
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| | | | | | | Geartrain tables (was Re: More about DDK (was Re: Micro Scout can run off its own motor —Robert Munafo
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| | | | | | | The new gear sizes inspired me so much that I created a huge listing of all gear ratios that can be created with the gear sizes now available and put it up on my web site: (URL) case you're wondering, this is useful mainly for building clocks that (...) (25 years ago, 1-Sep-99, to lugnet.robotics)
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| | | | | | | Re: More about DDK (was Re: Micro Scout can run off its own motor —Ian Sinclair
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| | | | | | (...) New gears... Excellent. Has anyone seen these gears in any other sets besides the Droid Kit? How about new technic service packs? Any listed in the newest Shop@home catalog? <ICS> -- Did you check the web site first?: (URL) (25 years ago, 6-Sep-99, to lugnet.robotics)
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| | | | | | | | Re: More about DDK (was Re: Micro Scout can run off its own motor —Ben Williamson
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| | | | | | (...) I got mine in the 8448 super car. They provide some of the five forward speeds in the gearbox. That's a sweet gearbox too... Cheers, - Ben. ---...--- Ben Williamson benw@pobox.com (URL) you check the web site first?: (URL) (25 years ago, 6-Sep-99, to lugnet.robotics)
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| | | | | | | | Re: More about DDK (was Re: Micro Scout can run off its own motor —Robert Munafo
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| | | | | | (...) That makes sense. With the two new sizes you end up with five different ratios that can be constructed with two gears at a 2-stud (16 millimeter) axle spacing: 8 <-> 24 1:3 ratio 12 <-> 20 1:1.4 ratio 16 <-> 16 1:1 ratio 20 <-> 12 1.4:1 ratio (...) (25 years ago, 7-Sep-99, to lugnet.robotics)
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| | | | | | | | Re: More about DDK (was Re: Micro Scout can run off its own motor —Robert Munafo
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| | | | | | Oops, I screwed two of those up. I should have said "1:1.67" and "1.67:1" ratios, in place of "1:1.4" and "1.4:1". (...) - Robert Munafo (URL) LEGO: TC+++(8480) SW++ #+ S-- LS++ Hsp M+ A@ LM++ YB64m IC13 (25 years ago, 7-Sep-99, to lugnet.robotics)
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| | | | | Re: Micro Scout can run off its own motor —Tobias Möller
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| | | | | i have found out that the futuron Monorail works much the same way. Connect a light to the monorail motor, and run the motor on the track. The lights will be lit! I assume it is because the motor functions as some sort of generator. (...) any (...) (...) (25 years ago, 5-Sep-99, to lugnet.robotics)
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| | | | | Re: Micro Scout can run off its own motor —Arjen Gerstel
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| | | | If you connect two motors to each other (i used 'new' technic motors) and turn one of them manually, the other one will turn too. You can transfer rotational motion through an electric wire this way. Actually, the motor you're turning simply acts as (...) (25 years ago, 13-Sep-99, to lugnet.robotics)
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| | | | | | Motor/generator efficency (was Re: Micro Scout can run off its own motor) —James Howse
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| | | | (...) I saw this when Lego was showing off mindstorms here in Syd. THEY (lego) claimed the setup was almost 100% efficent. i.e. one rotation of generator = one rotation of motor. Have you got the wires hooked up the right way? (assuming there is A (...) (25 years ago, 14-Sep-99, to lugnet.robotics)
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| | | | | | Re: Motor/generator efficency (was Re: Micro Scout can run off its own motor) —Eric Brok
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| | | | | James Howse wrote in message ... (...) of (...) Only without load ! Very useful still, but not when actual force is needed. Eric (25 years ago, 14-Sep-99, to lugnet.robotics)
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| | | | | | Re: Motor/generator efficency (was Re: Micro Scout can run off its own motor) —Martin Erdelen
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| | | | (...) Did they by any chance mention the Second Law of Thermodynamics *) in this context ? ;-)) (They probably hid it in the term "almost"...) Greetings, Martin "Perpetuum mobile rules!" E. *) pop version**) : No Energy Conversion Without Loss **) (...) (25 years ago, 15-Sep-99, to lugnet.robotics)
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