Is 3DMG at all possible?

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Re: Is 3DMG at all possible?

Postby Titanslayer55 » Fri Oct 18, 2013 2:25 pm

About the G-force it's not about how fast you're going.It's about how quickly you accelerate to that speed (Or change that speed in any direction)
Training humans can withstand like 5-7 G's or something.Turning would need to be done is a relatively slow-swooping manner.
As for the wires hooking into something and then needing to be ripped out.If you grapple something in the wall you might be able to drag yourself towards it.But if you grapple into the wall and sprint past it at 15 mph there's significantly more force then if you're slowely dragging towards it.Possible just enough force to rip it from its anchor point.
Also the whole issue with the gas compression.There are many other methods to do it.Possibly even a two-stroke piston engine... Or the cables being propelled by explosive shells.
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Re: Is 3DMG at all possible?

Postby TataBlitz » Mon Nov 04, 2013 11:17 pm

Titanslayer55 wrote: Or the cables being propelled by explosive shells.


Now I get the image of exploding soldiers. Like in the game when you lag die and have no clue how you died except instead of blood, there's more fire. Hmm human cannonballs, cannonballs that can move in midair :D
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Re: Is 3DMG at all possible?

Postby Accelevi » Mon Nov 04, 2013 11:45 pm

"goddamnit jimmy you're not supposed to explode"

Is it weird that that's how I imagine the experiments going?
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Re: Is 3DMG at all possible?

Postby Titanslayer55 » Sun Nov 10, 2013 2:33 am

It's the same in theory as a bullet... No exploding. Y'alls be geniuses.
(There's a little bit of exploding ;3 but only enough to propel the hooks)
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Re: Is 3DMG at all possible?

Postby Accelevi » Sun Nov 10, 2013 2:35 am

But imagine the calculation test trials.
lol
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Re: Is 3DMG at all possible?

Postby Kerl » Fri Nov 15, 2013 6:00 pm

Smile wrote: Sure, let's say those ropes are made of metal threads or something, then the gear would be having a hard time reeling the ropes back in, and the mechanism that does this would be the one to break easily.]


Not necessarily. Carbon fiber would be lightweight, flexible and strong enough for the intended purpose. As for a grappling mechanism if you use some sort of radio frequency to extend/retract hooks from the end of the rope coupled with a mechanism that would reel in the rope the ability to dislodge the hooks you get something that is at least plausible. Now as for the gas I can't think of a system that would work efficiently enough over extended periods of time. Also, to combat the massive G-forces perhaps a lightweight exoskeleton frame designed to disperse the forces acting upon the body to make them more mild. All in all I would say that 3DMG is possibly plausible, but not in the way portrayed in the anime/manga, and highly impractical
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Re: Is 3DMG at all possible?

Postby Accelevi » Fri Nov 15, 2013 8:11 pm

Well it's anime.
They of course exaggerate some stuff to make it better.
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Re: Is 3DMG at all possible?

Postby Senpai » Sun Nov 17, 2013 7:43 am

So everyone is saying the g-force will destroy us if we try to use 3DMG?

Spoiler:
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:lol:

That just means we have another reason to be excited for the human revolution like in Deus ex.

We'll have enough modifications to our bodies in order to withstand the g-force. :twisted:
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Re: Is 3DMG at all possible?

Postby Titanslayer55 » Mon Dec 23, 2013 4:38 am

My idea,is that two gas powered,independent,two-stroke engines would power the reeling mechanism.The two large cylinders could care enough gas to operate the engines for a good hour or more (Couldn't they?) The reeling might not be extremely strong,but the focus of 3DMG according to real-life physics would need to be based more on swinging,rather then rapidly pulling in towards your destination.So say you fire your hooks,they land in a tree,you reeling inwards (Quite slowly at first) And as you pass by you're gathered enough speed to have enough force to rip them out of their hold on the way by.But here's the big issue,they now reel back towards to at 50mph spiralling and twirling like crazy and one hooks into your chest and you're dead.That seems to be one of the biggest issues in my opinion.
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Re: Is 3DMG at all possible?

Postby Fuginotory » Mon Dec 23, 2013 10:41 am

The way I see 3DMG working in real life is pretty close to the original in the show, without any need for engines and explosive shells, but instead just using gas to move a mechanism.

First off, the G-force: Most people make the mistake of assuming that 3DMG is only attached to your waist, thus it will snap your back when you try to reel, this assumption however is not true. You may have noticed the belts on everybody's legs, they have the same belts all over their body, these belts create a harness that spreads the G-force trough your entire body, which means that with enough physical training you would be able to withstand it, and with enough agility you will be able to shift your weight i mid-air in order to change direction, speed up etc. .

Firing the hooks and reeling: This is probably the easiest part of the design, ever heard of potato cannons, they use a cannister of compressed air to shoot potatoes very far, very fast. A similar mechanic can be applied here, it will require no heat, no explosions, nothing fancy, just a soft rubber like peace at one end of the hook, which will make it fit the barrel that shoots it, perfectly, pressure builds to a point, then the hook is unlocked by a mechanism (activated by the trigger) and the pressure propels the hook out. The hook itself is not likely to be much heavier then a potato, and an aerodynamic hook will not only fly faster and straighter, but it will also have little problem going trough a wall. and locking itself in there. The reel in mechanism would need to use a more durable version of a clockwork mechanism, with a more durable version of a clock spring that tenses up when the hook is fired and (since the reel will spin inside there, that spinning will set the spring, and the spring itself, aided by gas, will allow the mechanism to reel in). The reeling mechanism would need to be designed to have a G-force dampening function, so there will be an extra spring like the first one, that works as a fail-safe when enough force is applied the second spring will be locked (allowing it to tense up) and allow the hooks to un-reel to a point, then reel back in, obviously the un-reeling would need to stop gradually, but essentially it will look like you bounced on a bungee cord (Sasha during training). This mechanism will rely on a heavy duty spring which has to be smaller then the one used otherwise, and it will have no function when the mechanism is unlocked (it will be mounted on a mechanism that works like a car seatbelt, it moves freely until enough force is applied, then it locks and allows the spring to do its job). Naturally, such a mechanism would need constant maintenance because it will be very prone to failure.

Gas and flying: There is another simple solution for this problem, what I think most people miss here is, what is the purpose of the fans if you are just going to blast the compressed air from the cannister to propel yourself, they have no function if you think about it. The only purpose I see these fans serving, is moving air from the outside, to the inside of the mechanism, thus when you release gas from the cannister into the jet, it goes to trigger another mechanism inside, that activates the fans and allows them to keep turning for a bit longer, sucking up air from around the gear, then and shooting it out of the jet, essentially like a water pump, but for air, this way it will require a lot less gas to generate a lot more propulsion, and the reason for having two fans instead of one is obvious, air is not as dense as water, thus a single stream of air will likely not be enough to generate thrust, but two streams coming from two sides could be used to create a high pressure environment inside the gear, and generate thrust, like a very powerful vacuum cleaner with a function to expel its insides, rather then just suck things in. Obviously this will not be enough to get you going, that is what the hooks are there for, they are essentially aids for your flight. To stay airborne will require careful weight distribution and careful timing, but it could work however, your body would be under constant stress, thus you'll most likely need to keep it tense at all times, meaning that you will need to be very strong physically and mentally in order to avoid injury.

Hook release: if the cable that reels you in is made form a few smaller ones, coiled together, then the centre can be left hallow and another thin wire can run trough it, thus when the cable is at tension you can pull the trigger to make that wire inside release the hook, which will allow it to reel in, and reset itself, how you avoid being hit by it, and by the cable as it is pulled in is your own problem, but I suspect you'd be able to learn how to control it's return to a degree, or at least how to stay out of its way when it is coming back. Get distracted and you might loose and arm or two. This hallow cable can also use air pressure in order to release the cable, that way the string is not needed, either way would work, in theory.

Triggers: This part is a bit more complex, as any mechanical trigger requires tension in order to work, but obviously you would not be able to move the swords around freely if there was a tense wire connecting the trigger and the mechanisms, an alternative solution is to create a mechanism that allows the triggers to work trough air pressure, meaning that the hose/cable thing that connects the gear and the triggers, would have to contain more then just a few smaller tubes that release air/gas into the mechanisms depending on which trigger is pulled. Such a mechanism would work, but it will very likely be prone to failure, and it would also require the inside of the handle to be hallow, and able to hold pressurised air/gas.
There would need to be a tube that mover gas or air from the main mechanism to the trigger, and a clap that closes when the pressure inside the handle is high enough, and opens when it drops to a point, an the other tubes will have claps that are opened and closed vie the triggers on the handle.

This is how I see 3DMG working, however it will be very prone to failure, and it will require not only muscles of steel, but also nerves of steel and very high levels of coordination for anyone to be able to do anything with it, one false move and your hooks might not attach themselves properly, relax for a moment and you will be injured, hesitate for a second and you will most likely crash and die, you'll need to be able to think on the fly, and use it instinctively (meaning that if you have to think about what you are doing, you are already doing it wrong), and I can't imagine the ride being comfortable.

Long story short, it is plausible in theory, but with so many things on it that can fail it is so impractical that you should only resort to it if you literally have no other choice.
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