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Why do the front tires of Road graders tilt sideways? My guess is that 1)it might lower the blade, it won't lower that much 2) to be able to drive on a tilted surface. If the first is true, it would not lower the blade much unless they tilt more (...) (19 years ago, 3-Oct-05, to lugnet.technic)
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| | Re: Liebherr LR-1750
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(...) have a rather large quantity on hand. I actually have two other cranes that are still assembled along with the two visible in the pictures. One is a smaller model of a Manitowoc 888, which I keep on my desk at work: (URL) the other is a model (...) (19 years ago, 3-Oct-05, to lugnet.technic)
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| | Re: Liebherr LR-1750
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(...) WOW!!!! your cranes are always amazing. i can't wait for more detailed pictures and the weight test. most impressive! you must have a large inventory of parts to keep two huge cranes like that together. bob Bob Kojima Fial Incorporated Telecom (...) (19 years ago, 3-Oct-05, to lugnet.technic)
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| | New technique: Cascaded Trinary Pneumatics (aka mid-stop)
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(...) I have succeeded in directly cascading trinary pneumatic stages (where cylinders stop in the middle). This is a direct development of my mid-stop pneumatic JCB steering mechanism, which I first described here two years ago: (URL) (second (...) (19 years ago, 3-Oct-05, to lugnet.technic, lugnet.robotics, lugnet.announce.moc, lugnet.loc.uk)
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| | Re: New technique: three position piston control
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(...) I tried to make a sequencer using two mid-stop piston configurations, and it didn't work out on paper (at least the cases I tried.) Hmmm...... I think that with a walker, you probably need to add one more switch to instrument full (...) (19 years ago, 2-Oct-05, to lugnet.technic, lugnet.robotics, FTX)
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| | Re: Crazy building moment?
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(...) this. But i'm gonna use conventinal rc parts for power (ie motor, prop, servos) and make the rest of the plane Lego. I don't know how "pure" this is and i don't care. All i want is to make a plane made of mostly Lego fly. I might be naive but (...) (19 years ago, 2-Oct-05, to lugnet.technic, FTX)
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| | Re: New technique: three position piston control
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(...) 6 legs and 3 leg groups is a great idea!! (...) I've think about overshooting the mid point and i don't know sure but i think it will overshoot the mid point whan you link them in serie isn't it?... and when you build it into a walking beast i (...) (19 years ago, 2-Oct-05, to lugnet.technic, lugnet.robotics, FTX)
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| | Liebherr LR-1750
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Well, I finally got around to posting some pictures of the early stages of my latest creation. It is a model of a Liebherr LR-1750 crawler crane to go along with my LR-11200. The pictures are still being "moderated" but here is the link; (URL) (...) (19 years ago, 1-Oct-05, to lugnet.technic)
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| | Re: Video of Cable Shovel In Action
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(...) Ah - understandable. I actually stocked up on them from bricklink, as I so often found them useful. I admit - I tend to agree with you on the noise making it "larger than life". Any chance of videos of the upgraded hoist then? One other thing (...) (19 years ago, 1-Oct-05, to lugnet.technic)
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| | Re: Interview about my hobby on the Dutch TV
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(...) One does not need to understand Dutch to enjoy this video. I watched the video 5 times back to back. Those trucks are huge! That Scania LS111 is the most beautiful Lego truck I have ever seen. The Menck M154 is Motorized, which I did not know (...) (19 years ago, 1-Oct-05, to lugnet.modelteam, lugnet.technic, lugnet.publish, FTX)
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| | Re: Alvin Brant, what is your email address?
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(...) Nathan, check your inbox. If you have one from "bubba brant" then you have it now. Alvin. (19 years ago, 30-Sep-05, to lugnet.technic)
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| | Re: New technique: three position piston control
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In lugnet.technic, Kevin L. Clague wrote: (SNIP) (...) Sadly not, though I'll upload a lot more to my Brickshelf once my digital camera arrives. That will be better than circuits for explaining the positions of offset switches. I had also planned to (...) (19 years ago, 30-Sep-05, to lugnet.technic, lugnet.robotics)
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| | Re: Video of Cable Shovel In Action
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(...) I probably could reduce bulk and noise by using worm gears, but at the time I built that part of the machine I only owned two worms and I needed them in other places. The 'crowd' has two motors and transmissions and I had already used one worm (...) (19 years ago, 30-Sep-05, to lugnet.technic, FTX)
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| | Re: Video of Cable Shovel In Action
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(...) Cool. Could you get less noise and a reduction in space using a worm gear? I seem to remember them being less efficient, but they would give good reduction, and should lower the noise considerably, although they may require placing motors (...) (19 years ago, 30-Sep-05, to lugnet.technic)
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| | Re: Download Problems With Video of Cable Shovel In Action
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(...) That might explain why I had no difficulty - I *always* download first, then watch something, I am just too careful and would not like my browser being crashed by slightly awkward content.. Danny -- (URL) - Build Robots (19 years ago, 30-Sep-05, to lugnet.technic)
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| | Re: Video of Cable Shovel In Action
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(...) Most of the noise is coming from the 'crowd', the part that pushes the bucket back and forth. It uses a bunch of 40, 24 and 8 tooth gears to do it's thing: (URL) And they make a ton of noise, the gears. The motors there do not have built-in (...) (19 years ago, 30-Sep-05, to lugnet.technic, FTX)
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| | Re: Download Problems With Video of Cable Shovel In Action
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(...) Hello, I'm not sure what was causing problems with viewing the movie for some of you.. It works a lot better for me if I download the movie, then view it. It did not work when I tried to view it in the browser window. Hope that helps, Ben (19 years ago, 30-Sep-05, to lugnet.technic, FTX)
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| | Interview about my hobby on the Dutch TV
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In July I was interviewed about my hobby for a Dutch programme about transportation. It was broadcasted two weeks ago and they also put the video on their website. It is spoken in Dutch but there's no subtitling unfortunately. For those who are (...) (19 years ago, 30-Sep-05, to lugnet.modelteam, lugnet.technic, lugnet.publish, FTX)
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| | Re: Video of Cable Shovel In Action
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If that's true I think some folder on brickshelf is missing about 35MB of file .... (19 years ago, 30-Sep-05, to lugnet.technic)
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| | Re: Video of Cable Shovel In Action
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(...) Works fine for me here too. It is impressive, but it is also one of the noisiest things I have seen in a while. One or two of those motors sound like they are a little stretched. Maybe it is encoded with a newer codec? -- (URL) - Build Robots (19 years ago, 30-Sep-05, to lugnet.technic)
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