 | | 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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| | Re: Video of Cable Shovel In Action
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(...) Works fine with QT6.5. Maybe you got a download problem? (I first downloaded the 40Mb file before playing it). Ben, this is a very impressive constuction, with fast and smooth movements. Congratulations! Philo (19 years ago, 30-Sep-05, to lugnet.technic)
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| | Re: Video of Cable Shovel In Action
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(...) File corrupted here too Cristiano (19 years ago, 29-Sep-05, to lugnet.technic)
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| | Re: Video of Cable Shovel In Action
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I don't know what you're using there for the quicktime player but it came out all corrupted and blotchy here, and caused an error in my quicktime player causing it to shut down. What version of quicktime are you using there? (19 years ago, 29-Sep-05, to lugnet.technic)
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| | Supercar by Gimmin
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Woh, this is compact! How could he fit independent rear suspension and a 4-speed tranny in there? (URL) (19 years ago, 29-Sep-05, to lugnet.technic)
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| | Video of Cable Shovel In Action
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Hello, Video of my Mining Shovel has been posted to brickshelf: (URL) Make sure to watch the whole thing, the machine takes two passes at the pile. -Ben (19 years ago, 29-Sep-05, to lugnet.technic, FTX)
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| | Alvin Brant, what is your email address?
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I think I might have asked for this email before, but do not have any record of it. (19 years ago, 29-Sep-05, to lugnet.technic)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) Hi Tony, I'm glad I could help... I've added three more simple mechanisms to the webpage (actualy two pages now): (URL) are: - The walking worm gear one into two. This turned out to be very compact but not as reliable as the spur gear one (...) (19 years ago, 29-Sep-05, to lugnet.technic)
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| | Re: New technique: three position piston control
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(...) <snip> I used some axle joints to optimise cylinder position limiting in normal logic (...) Do you have a website where I can peruse your work? (...) (19 years ago, 28-Sep-05, to lugnet.technic, lugnet.robotics)
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| | Re: New technique: three position piston control
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(...) No, I was so busy at work that I missed a couple of days online! I had a look at both, but a dual piston scheme works better for steering because of equalising the piston area and pushing at least 3 switches. In fact I have two cylinders in (...) (19 years ago, 28-Sep-05, to lugnet.technic, lugnet.robotics)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) That looks a very nice simple solution to the problem, the simple solutions are usually the best! I will certainly be using it to give more function from the auxiliary output of the RC car unit. Tim (19 years ago, 28-Sep-05, to lugnet.technic)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) Followup... this works beautifully. I was a little worried at a few stages of construction when the 1x4 brick sometimes would rotate until it wasn't engaging either gear and then sit there with the 8t gears spinning freely- but in the full (...) (19 years ago, 28-Sep-05, to lugnet.technic)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) I will have to dig it out - but somewhere I have a fairly simple LDraw file showing that sliding worm gear device. I also made an interesting variation on this using Lego clutch gears which allowed 2 motors to give 2 outputs each, plus an (...) (19 years ago, 28-Sep-05, to lugnet.technic)
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| | Re: New technique: three position piston control
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(...) Mark, Did I miss your answer on this? Kev (...) (19 years ago, 28-Sep-05, to lugnet.technic, lugnet.robotics)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) This is great stuff, and will probably work for my application. It's mechanically much simpler than a differential with rachets. Thanks!! (...) I think I can picture how that works: You have a 4-stud-long box with a shaft running lengthwise (...) (19 years ago, 27-Sep-05, to lugnet.technic)
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| | Re: Help please: I'm trying to get two outputs from one shaft
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(...) Hi Tony, Here is something I put together real fast during my lunch break: (URL) The movies are quite big (4MB a piece) but they show clearly how this thing works... Notice that it works in any position as the mechanism is balanced. An other (...) (19 years ago, 27-Sep-05, to lugnet.technic)
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