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(...) How about using a caster wheel? I used it for a jumping mechanism, but I think it can also be adapted for a cannon like you describe. Using 1 motor, it keeps firing over and over (URL) (21 years ago, 20-Jun-03, to lugnet.robotics, FTX)
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| | Re: gear pulley/release system
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Awesome... Just curious, what do you think about a Two Motor Jump-O-Bot using an RCX and 4 Large Springs? Think that would work? Rich (...) (URL) (...) (URL) you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. (URL) (21 years ago, 20-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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(...) Thank you very much! (...) I don't see any reason why not to try it ;-) Off the top of my head, I can tell you that an RCX loaded with batteries is fairly heavy - maybe you'll need more springs and to pay carfeul attention to balance. Also, I (...) (21 years ago, 20-Jun-03, to lugnet.robotics, lugnet.technic)
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| | Re: gear pulley/release system
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The only thing I can come up with just now is this: (URL) arrow points in the direction that the blue 1x16 brick is moved to charge. At the end of this closest to the camera there should be rubberbands. When the brick is almost back the small arm (...) (21 years ago, 25-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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Cool! How does the gear flip? Changing the motor to Float? Rich (...) (URL) (...) (URL) (...) (URL) (...) (URL) you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! (URL) (21 years ago, 25-Jun-03, to lugnet.robotics)
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Oh wait, we can make the gear flip with the backward motion of the 1x16 blue beam right? (...) (URL) > (...) (URL) > (...) (URL) (...) (URL) you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! (URL) (21 years ago, 25-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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"Richard Diaz" <lego-robotics@crynwr.com> wrote in message news:20030625224958....hoo.com... (...) That was the idea, yes. When the gears cames to the end of the Gear Rack, there should be enough space for the gears to flip around. My idea was that (...) (21 years ago, 26-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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I just thought of an idea, haven't had time to try it out but here it is. What if you were to have a sliding worm gear that would wind the arm up when the motor was powered forward and release it when the motor was powered reverse. Like I said, just (...) (21 years ago, 27-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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Quoting scott davis <rcx2man@hotmail.com>: (...) Some of my students did this very thing. They used one motor to wind up a spring which was then released to kick a ball. Worked well. Bruce (21 years ago, 27-Jun-03, to lugnet.robotics)
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| | Re: gear pulley/release system
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(...) I did a device like this, where the motor ran a differential, which was then used to wind up and release the axle that did the work. One differential output shaft did the winding, and the wound-up axle was held for firing by a gear and ratchet (...) (21 years ago, 27-Jun-03, to lugnet.robotics)
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| | Cameras & RCX Robots, no cables please!
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Are there any solutions to have a completly autonomous (no computer) camera or web-cam on an RCX bot. How could it interact with the RCX? IR port? Anything else? I just refuse to run a robot with a camera cable attached to it. Rich ___...___ Do you (...) (21 years ago, 2-Jul-03, to lugnet.robotics)
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| | Re: Cameras & RCX Robots, no cables please!
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(...) Well, the compute power and memory capacity of the RCX aren't gonna allow much in the way of image processing, so even if you could somehow interface the camera, I don't know what you could do with the image it captures. What I've suggested (...) (21 years ago, 3-Jul-03, to lugnet.robotics)
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