 | | Re: 3 Section Telescopic Crane Boom
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How interesting! I've always wondered how the telescoping booms function. I originally thought the individual boom elements could be extended individually, but it appears that one of the elements control the other(s), as you've shown us. It looks (...) (25 years ago, 4-Dec-00, to lugnet.technic)
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| | 8457 Power Puller
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Some questions about the 8457 Power Puller How many chain it has? What kind of motor? How are the flex system? thanks (25 years ago, 4-Dec-00, to lugnet.technic)
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| | Re: Clock strikes hours
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(...) Sounds good except that you need a lot of links and last time I looked links are hard to fine (where I live anyway) (25 years ago, 4-Dec-00, to lugnet.technic)
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| | Micro Scout powered scorpion
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Hey gang =) I just put pictures of my Micro Scout powered scorpion up at (URL) The parts mostly came from the Droid Developer kit but I had to throw in a few more gears and some other random parts. When the scorpion walks, it moves it's claws and (...) (25 years ago, 4-Dec-00, to lugnet.technic, lugnet.robotics)
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| | Clock strikes hours
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I came up with a Lego implementation of a clock striking device that strikes a bell to indicate the hour. At 1:00, it rings the bell once, at 2:00 it rings the bell twice, etc. It is powered by a weight, and it will play the sequence of hours over (...) (25 years ago, 4-Dec-00, to lugnet.technic)
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| | Re: 3 Section Telescopic Crane Boom
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(...) What you are thinking of is generally referred to as a "multi stage hydraulic ram", but as far as I can ascertain, that is not how real multi sectioned booms with more than 3 sections work. An engineer friend of mine suggested that using this (...) (25 years ago, 3-Dec-00, to lugnet.technic)
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| | Re: 3 Section Telescopic Crane Boom
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Neat! I'd often thought about trying something like this! When I was a kid, (pre-technic!!) I built a gantry crane that used a complex series of cables (string) and pulleys. I only had 1 (4.5V) motor at the time, so all movement had to be controlled (...) (25 years ago, 3-Dec-00, to lugnet.technic)
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| | Re: 3 Section Telescopic Crane Boom
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Hi Jennifer, (...) 3-sectioned crane! I also thought how THIS might work in real an came up with that kind of cable-mechanism you used! But I never was able to fit it into a technic construction ;-(( But how does a real multi sectioned boom work? (...) (25 years ago, 3-Dec-00, to lugnet.technic)
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| | 3 Section Telescopic Crane Boom
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There has been a lot of talk about crane type mechanisms recently, so to add to the pot, here is a mechanism to achieve the subject of this post. (URL) Clark (25 years ago, 3-Dec-00, to lugnet.technic) !!
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