 | | Re: Good String for Your Models
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(...) (URL) (20 years ago, 21-Apr-04, to lugnet.technic)
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| | Re: 20-Wide model of a Dutch train
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(...) AWESOME work! First 1600-style Dutch engine I've seen in LEGO that truly manages to capture the right shape of the nose. (And no, 1876 is not a real number... the Almelo is 1618 but who cares. See (URL) for a list of names/numbers) As for 6-8 (...) (20 years ago, 20-Apr-04, to lugnet.technic, lugnet.trains, lugnet.modelteam)
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| | Re: SSClagorpion
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In lugnet.technic, Steve Hassenplug wrote: <snip> (...) Nope. The sequence is: 1. All feet down. 2. Lift one foot group 3. Sweep legs 4. put feet down 5. Lift other foot group 6. Sweep legs So it does not need to walk forward to lift the feet. (...) (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) Again, the main goal is to know when the leg is extended, and the foot isn't touching the ground. So, you can mount the foot sensor so it's normally closed (pressed) except when the foot is on the ground and mount the leg sensor so it is (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) There are a couple ways that come to mind. If you don't want to know the details, skip ahead... We want to know when the leg is extended, and the foot is not touching the ground. There will be four possible states: 1) Leg up, foot not touching (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) I can think of two was: use two touch sensors, and be able to read the state of both of them (you can do this with a 3rd party multiplex, or cybermaster sensors (which are kinda rare... right, Steve?), or use touch sensors stacked with (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) OK. You are going to put two touch sensors on one port? I thought you needed to know that the leg is fully extended, but not touching. How will you do that with one sensor port? (...) You are right, he needs to balance on the three feet that (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) Right. That's listed somewhere in my prior ramblings. It should work fine with 2 inputs (one for each foot) (...) ... (...) We may need to figure something out, here. I think it WILL be a problem. At any given time, he will (could) have only (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: Working Fountain on TCLTC layout (Pics)
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(...) I'm glad it uses only the pump cylinders, which means that if the water causes the seals to fail over time it doesn't impact any other components. I tried to make a fire engine once, using the old pneumatic system with a non-return valve and (...) (20 years ago, 19-Apr-04, to lugnet.trains, lugnet.town, lugnet.technic, FTX)
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| | Re: SSClagorpion
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(...) I think that you are right, that they are the same thing. (...) Hmmm.... We would need to know two things to determine we'd hit the edge of the table. 1. The foot is down as far as it will go. 2. The down foot is not touching anything. We (...) (20 years ago, 20-Apr-04, to lugnet.technic)
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| | Re: 20-Wide model of a Dutch train
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(...) I liked it so much I downloaded the whole brickshelf folder (using a handy program). I'm stating the obvious here, but you could always mate Lego with commercial bogies and track in the appropriate scale. Now that would be cool. Steve (20 years ago, 20-Apr-04, to lugnet.technic, lugnet.trains, lugnet.modelteam)
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| | Re: 20-Wide model of a Dutch train
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Wow... Cool! It's huge. It's a beauty. Jeroen (20 years ago, 20-Apr-04, to lugnet.technic, lugnet.trains, lugnet.modelteam)
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| | 20-Wide model of a Dutch train
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well Dutch.... Ok, based on the French BB7200.... but it's the Dutch railways yellow version, oh yeah: and it has the crest of the city I grew up: Almelo. Don't know if 1876 is a real existing train number, but what the heck. Hello all you (...) (20 years ago, 19-Apr-04, to lugnet.technic, lugnet.trains, lugnet.modelteam) !
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| | Re: SSClagorpion
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(...) Is *up* the same as "not down"? I was thinking it was, but that may not be the case. (...) This sounds like we can NOT do the table edge detection stuff, using it's feet. Imagine you're crawling around on your hands and knees, with your eyes (...) (20 years ago, 19-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) Actualy we need to sense when it is *up*. (...) As soon as you figure out that a foot is up, you can reverse directions. I'll have to study the state sequence, because there are two non-weight bearing pistons that control the feet, so it might (...) (20 years ago, 19-Apr-04, to lugnet.technic)
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| | Re: Working Fountain on TCLTC layout (Pics)
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(...) It actually pumps the water. A large part of the design problem was getting the system to pump an amount of water that wasn't too much and wasn't too little. I'd have to say that the final result was a triumph of trial and error:-) JOHN (20 years ago, 19-Apr-04, to lugnet.trains, lugnet.town, lugnet.technic, FTX)
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| | Re: SSClagorpion
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(...) Ok, we [plan to] have a sensor on the front foot, and can detect when that is down. So, no more sensors are required. So you said, the forward/backward must be changed while the feet are in the air. We've been thinking of having a touch sensor (...) (20 years ago, 19-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) It is my belief that sideways walking will require a third degree of articulation in the leg/hip structure. It will cause the legs to swing towards and away from the body. By replacing the forward/backward part of the leg sweep with the side (...) (20 years ago, 19-Apr-04, to lugnet.technic)
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| | Re: SSClagorpion
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(...) Ok, so what's required for walking sideways? One switch (= single set of switches, all activated at once) to switch from forward/back/turn to side-to-side? I'm sure that comes to about 16 reverser switches, or something. :) I just happened to (...) (20 years ago, 19-Apr-04, to lugnet.technic)
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| | Re: Working Fountain on TCLTC layout (Pics)
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(...) Is his system actually pumping water through the pistons, or is he using air pressure from them to push water through tubes? (20 years ago, 19-Apr-04, to lugnet.trains, lugnet.town, lugnet.technic, FTX)
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