 | | Re: WTT Building Pieces
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The last URL should read. (URL) about that! (25 years ago, 13-Jan-00, to lugnet.market.buy-sell-trade)
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| | RE: Ping-Pong Ball Shooter
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I think both the catapult and slingshot would be very impressive devices. However, the biggest problem I see with both of these (and particularly with the catapult) is that they involve significant linear acceleration and deceleration of structures (...) (25 years ago, 13-Jan-00, to lugnet.robotics)
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| | Re: Ping-Pong Ball Shooter
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I prototyped a catapult design several months ago that used two motors to "cock" and fire/launch a rubber-band driven ball-launcher. The loading/firing sequence was something like: 1) load ball on catapult. 2) power motors in reverse at low power (...) (25 years ago, 13-Jan-00, to lugnet.robotics)
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| | WTT: Town Building Pieces
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These are pieces which should interest those of you who build your own buildings. All are used pieces. Pictures of these pieces are at: (URL) will send my current want list if you are interested. Jerry Hill ghill@execpc.com (25 years ago, 13-Jan-00, to lugnet.market.buy-sell-trade)
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| | Re: offtopicy sort of thing
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I think that's a really good idea. I tried it, and found out that the motor recieving power spins slower than the motor you spin. This is about 4:3. This could be a really good speed reduction technique that doesn't use gears, or you could power (...) (25 years ago, 13-Jan-00, to lugnet.robotics.rcx.nqc)
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