Archive: 8 posts

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I'm currently working on making a bipedal mech. However, I'm faced with a terrible adversary : gravity Now, I had resigned myself to having to design a perfectly working gyro linked to ankle and hip motors which would position themselves to adjust the mech's balance dynamically, when an idea occured to me If I place a long, continuous piece of glass and hang it in the sky using dark matter, and then place a small piece of glass on top of it and hang an invisible, 0-strength, stiff piston down to any vehicle/contraption I want : Poof! Perfect equilibrium :hero: I've used this to make a perfectly working, perfectly balanced unicycle! So using this, I can have a perfectly working, perfectly balanced bipedal walker, or any other movable contraption which defies the laws of gravity. A small problem remains because glass doesn't necessarily slide against glass all the time and tends to tilt when the contraption is moving too quickly, but a set of powerful rockets should help keep that in check. Gilg : 1, Gravity : 0

2008-11-11 14:04:00 Author: Gilgamesh Posts: 2536

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so the long piece of glass lies horizontally with the small piece running along it? Is that right? Essentially making the device a puppet? Clever idea. I might use this one myself.

2008-11-11 14:52:00 Author: Piratepete Posts: 110

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Very clever I'm impressed xD I'ma try it now

2008-11-11 15:28:00 Author: DrunkMiffy Posts: 2758

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Wait, how do you make a piston invisible? I don't remember a setting for that.

2008-11-11 17:29:00 Author: Justin Hopewell Posts: 135

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could you upload a diagram?

2008-11-11 17:39:00 Author: Conall-Star Posts: 157

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Wait, how do you make a piston invisible? I don't remember a setting for that. If you set the minimum length of your piston to 0.0, it will become invisible (only one of the connectors will remain visible, I believe the one where you start placing your piston). This is why it is important to set the Strength to 0 so that the piston does not pull your object up to the sky. could you upload a diagram? I'll try to make one on my train ride back home, it should be simple enough to draw.

2008-11-11 17:52:00 Author: Gilgamesh Posts: 2536

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http://img136.imageshack.us/img136/25/equilibriumtm4.th.jpg (http://img136.imageshack.us/my.php?image=equilibriumtm4.jpg)http://img136.imageshack.us/images/thpix.gif (http://g.imageshack.us/thpix.php) Here's a simple diagram of the concept (be amazed at my Paintbrush skills!). The Unicycle is only there as an example, because I needed a simple, gravity-defying contraption to draw. The Dark Matter is glued to the large glass "rail" to keep it from crushing everything below. The small glass piece doesn't actually float above the rail, it's just to show how the piston is connected. The Piston settings are the following : - Minimum Length : 0.0 (This will make it invisible) - Maximum Length : More than enough for the Unicycle to touch the ground - Strength : 0.0 (This will keep the Unicycle and glass piece from pushing or pulling against eachother) - Stiff? : Yes (This is what keeps the Unicycle upright) Ideally there should be something to keep the glass piece from falling off when the Unicycle reaches the edge. I used glass-on-glass but really it could be any material with a wheeled "platform" for the piston to attach to instead, the important thing is to have as little friction and momentum as possible.

2008-11-11 23:19:00 Author: Gilgamesh Posts: 2536

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very nice and very simple. i'll have to keep that in mind as i'm sure i'll find a use for it at some point.

2008-11-12 00:43:00 Author: Conall-Star Posts: 157

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