 | | Re: Help with redesigning a Boat Lock
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(...) (snip) A worthy project! Hope to see it in person at NMRA... I suppose you already considered vertical racks at the 4 corners of the "water" that are embedded in the lock walls (the rack, visible, might look like a ladder or steps cut into the (...) (19 years ago, 4-May-05, to lugnet.technic)
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| | Re: Help with redesigning a Boat Lock
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(...) Another possibility is to not make the connection between the lift lines and the lifted frame rigid, but "slippable" (for instance, instead of using a single line, use a loop that attaches to the frame by wrapping around several fixed pulleys (...) (19 years ago, 4-May-05, to lugnet.technic)
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| | Re: Help with redesigning a Boat Lock
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(...) ... (...) ... (...) Rosco beat me to it... anyway... What about using string? With good rollers, the string should not wear out, at least not in one weekend. If the platform & boat are somewhat balanced, you could get away with one connection (...) (19 years ago, 4-May-05, to lugnet.technic)
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| | Re: Help with redesigning a Boat Lock
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(...) Nice work!! (...) I would suggest trying string. Just have a loop of string in each corner, coordinated like you do with the screws. Or you can run it as 1 big loop, that would avoid the problem of slippage causing tilting. But you would (...) (19 years ago, 4-May-05, to lugnet.technic)
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| | Help with redesigning a Boat Lock
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For our current train layout I have attempted to create a working lift lock. Attempt 1: The lift lock project started about a year ago. My first designs used a scissor type construction ( XXXXX ) To try to raise the water, but there was not (...) (19 years ago, 4-May-05, to lugnet.technic, lugnet.org.ca.rtltoronto)
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| | Re: hydraulic steering
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(...) That should read 'pneumatic steering'. Sorry for the typo. (19 years ago, 4-May-05, to lugnet.technic)
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| | hydraulic steering
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When you guys build those big actros trucks et al, how do you fit in a hydraulic steering system? Do you use a gear method to operate the valve? If not then how? Do you have any sketches of the setup that you could post? Thanks a bunch! (19 years ago, 4-May-05, to lugnet.technic)
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| | GBC module screw and stepper
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Hi, Both of my modules are complete. You can find pictures at (URL) thanks to philo a movie at (URL) (19 years ago, 4-May-05, to lugnet.technic)
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| | Re: Build with Legos, be a part of history
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In lugnet.mediawatch, Duane Hess wrote: (snip) (...) 9?? That seems overly complex. (...) or Moonbases! Cool. Someone's been cribbing ideas from the GBC activities I guess. (19 years ago, 3-May-05, to lugnet.mediawatch, lugnet.technic)
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| | Re: Pneumatic hexapod omni-Directional 2 (repost)
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(...) Thanks David! You can see its rather unattractive predecessor here: (URL) of the goals of the remakes I posted was to make them look more elegant, by managing part colors, and hose routings more carefully. (...) There are movies of Quad242 and (...) (19 years ago, 2-May-05, to lugnet.technic)
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| | Re: Pneumatic hexapod omni-Directional 2 (repost)
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<snip> (...) Oops.... (URL) (...) (19 years ago, 2-May-05, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic hexapod omni-Directional 2 (repost)
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(...) Hi Danny, Thanks for the feedback! Before I dig up a circuit diagram, I'll show you the timing diagram for my original hexapod, hex363: (URL) Hex363 can only walk forward, but has a hexagonal body. It gets its name based on the sequence of the (...) (19 years ago, 2-May-05, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatic hexapod omni-Directional 2 (repost)
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(...) I'm going to ignore the ingenuity of the design and the wonderful concept (and implementation) of a pneumatic-logic controlled walker and just comment that it looks wonderful! I wish I could see it operating in person, I'm sure it would be a (...) (19 years ago, 2-May-05, to lugnet.technic)
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| | Re: Pneumatic hexapod omni-Directional 2 (repost)
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That is awesome. Could you put a vid of it in action. I love the style - it is functional, but equally stylish - the way you have arranged the cabling makes it look really something. I can really imagine that as a spider tank model looking rather (...) (19 years ago, 1-May-05, to lugnet.technic, lugnet.robotics)
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| | Re: Question about technic motors and voltages/amperages
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(...) You'll probably find your batteries are about 1.2V so with six batteries you get 7.2V. Marketing and advertising states they are 9V motors so you should be able to take any lego motor (that has 6 batteries) upto 9V and get an additional 25% (...) (19 years ago, 1-May-05, to lugnet.technic)
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| | Re: Question about technic motors and voltages/amperages
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(...) In my opinion, an electric motor can't be overpowered as long as the voltage is the same, Don't overdue the amperage off course, but as long as it's in the mA, there will be no problem. (19 years ago, 1-May-05, to lugnet.technic)
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| | Dual Hex small piston compressor (repost)
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After some research, I proved to myself that small pneumatic pumps are best for motorized compressors (what a suprise, Dr. Soh was right ;^) For those who are unaware, Dr Soh, is a long time LEGO pneumatic entheusiast, who is particularly interested (...) (19 years ago, 1-May-05, to lugnet.technic, lugnet.robotics)
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| | Three Toe Pneumatic Quadraped (repost)
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This pneumatic quadraped can walk forward, backwards, and turn right or left. It is a followon to my original quadraped Quad242 ( (URL) ). The pneumatic circuitry of Three Toe Quad, is identical to that of Quad242. The thing that changed is the (...) (19 years ago, 1-May-05, to lugnet.technic, lugnet.robotics)
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| | Inchworm 2 (neat and tidy) (repost)
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I finally uploaded pictures of my second Inchworm. This is exactly the same geometry and circuitry as Inchworm ( (URL) ). It is just done with better color choices, and tidier pneumatic hoses. Inchworm walks by undulating its body. It has 7 segments (...) (19 years ago, 1-May-05, to lugnet.technic, lugnet.robotics)
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| | Pneumatic hexapod omni-Directional 2 (repost)
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I uploaded some pictures of PhD 2, that some of you saw at BrickFest 2004. PhD2 is a neat and tidy version of its predecessor Hex-363. PhD2 can adjust the sweep direction of each of its legs, allowing to walk any of six directions (forward, forward (...) (19 years ago, 1-May-05, to lugnet.technic, lugnet.robotics)
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