New energy, speed, science question...

[killa]

So that particle accelerator thingy was on the nes yesterday, its being upgraded and then will be running next year. They are talking of new physics that will be found.
I’m assuming that propulsion will be something they’d be looking into, powering anything without much waste etc…

So, in space, if you have a craft of today’s spec and gave it engines like those on the enterprise, when you enter space and give it the beans how the hell will it hold?
I have images of them giving it full power and the thing implodes, disintegrates, atomises. This would be due to G force, drag etc… I know there is no oxygen in space, but any atmosphere will be punched through. Will it be a case of them having the power to get to the moon in an hour, but no craft to do it?
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[McGee]

/In before star trek geeks.


Killa, long day man ?
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Its pronounced Jixxer!

[killa]

I thought of this yesterday....just confused me.
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[pa_broon74]

Don't know about now, but in star trek they use force fields.

"Losing structural integrity Captain..."

In the real world (or universe) I think as long as you do everything gradually (no quick turns or accelerations) it would be ok. Plenty of space in, ummm, space to turn around.

I think any ship built would be so massive, it wouldn't be able to do any abrupt manouvres.
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Didn't catch anything.

[ncrn]

Well in space there is no air as you pointed out so you could rapidly accelerate with no real consequence to the ship in theory. I guess there would be problems with space debry hitting the ship and that could cause some damage.

It is possible that the ship could only go into orbit of a planet and from there a smaller ship would have to go to the surface one built like the current ships we use.

I'm not really sure they'll even find anything from this collision they're going to do, I hope its something cool though. It does make me laugh hearing theories from people suggesting that it will destroy the world when it happens..
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[Visitor Q]

Drag is a force caused by the friction of pushing through molecules in the air. Air is considered a fluid, just of less viscosity then water etc.
Hence you want a smooth shape.

In space you dont need that. No oxygen

However any large ship would have to be built in space as youd never be able to get it to escape the earths (admittedly piss weak) gravity.

Also bare in mind all these drive just tend to work by forcing mass out the back, to push themselves along. It would be the stopping that would worry me.

But the actual hadron accelerator or whats its business (do a search for 'were doomed', was a thread on it a month or so back) is mainly for discovering new particles as i understand it.

The logistics of space travel hurt my brain, but i doubt we're going anywhere anywhere soon. Although i guess they could always use drives for cleaner, quicker travel round earth.
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[ncrn]

[Scotch Bonnet]

[Annabella]

Arthur C Clarke invented a very simple shield to use in front of ships. He suggested using an ice shield comprising of hexagonal blocks of ice all linked together.

Songs of Distant Earth = a favourite book*

*Christmas stocking filler recommendation for Sci-Fi lovers.
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[pa_broon74]

[Visitor Q]

[killa]

So if you travel in a modern day ship at new rediculous speeds with this new propultion unit, would the front of the ship become far too hot or would it be no bother because there is no air?

If so, would it just be the forces on the ship if the craft had to perform a manouvre at this speed that would potentionally blow it to pieces?
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[Hetzer]

A ship capable of moving that fast would need some kind of field that would hold every molecule in the same relative position (I think Star Trek calls it an 'Inertial Dampening Field'). Something that would be part and parcel of an anti-gravity drive (so my intuition tells me). The same field would also act as a shield.
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[Fawbish]

[Visitor Q]

[Ben.]

even if you can travel at the speed of light (were not even close to it yet) it would take a few life times to just reach another solar system. then when you take into acount the size of stars in other galaxys, they would quite happily swallow the space ship thingy if it cant even escape earths atmosphere. black holes are everywhere as well. im quite happy to stay on earth thanks...
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[Hetzer]

Electro-sails, atomic motors, it's all a load of tosh. Without an anti-gravity drive, powered by Zero-Point energy, we ain't going nowhere.

You need to exceed light velocity, and you need something that will both generate an inertial dampening effect and provide a shield. Anti-grav will do all of that, and I strongly suspect we already have it.
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"There's the horizon! Ride hard, ride fast and cut down all who stand in your way!"

[Hetzer]

[Scotch Bonnet]

[Ben.]

[Scotch Bonnet]

Ah, screw this, I'm gonna do my own space thread, with Blackjack and Hookers.
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Hmmmm..... is it supposed to do that?
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[Visitor Q]

Righty, lets save time. Im very busy at the moment and cant arsed ranting again...

Heres the last thread on the matter, second half covers space travel pretty well

We're doomed!
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From September 2014 to January/February 2015 I will not be using any English, nor reading any. As such, I won't be on here. PM at will, but I won't be checking/posting unless in emergencies. Certainly not for the first couple of months. Please berate me savagely if I break that rule...

[stinkwheel]

[Phoenix]

Xenon propulsion (Ion) has been in use for a while, think there was a recent one launched. But it still relies on Xenon gas reserves, and the increase in speed is so slow that I imagine, can't be sure without calculating it, it'd take thousands of years to approach the speed of light, by which time the gas would've run out, frozen solid or the ship would've been destroyed.

The problem is when you start hitting ridiculous speeds so much as a bit of rock the size of a ball bearing hitting the ship would probably be able to cause absurd amounts of damage due to the speed involved, which is why some kind of shield would be needed. There's also the case of space gases, nebulae etc which would be similar (but not as severe) to flying through an atmosphere in terms of friction.

Ice shield, made of hexagonal blocks of ice. Novel, but i don't see how it could possibly be of any use at stoping million mph lumps of rock in space.

I've always thought the best way of making something go really fast would be to build a centrifuge in space with the probe mounted on an arm, so to slingshot it. Could possibly go in the completely wrong direction when released if somebody doesn't calculate things correctly, or rip the whole thing to bits when it reaches a certain rotational speed. Be a one way trip of course too, could volunteer a few people here for that one?

[killa]

I remember reading somewhere that space rubbish floating around the earth travels fast, so quick infact a bolt could pass through you so quickly you probably wouldn't notice at first.
This always bemused me as there are satellites out there that have been functionaing for years, i imagined with all the crap up there they would end up looking like some sort of cheese with loads of holes in.

It does boggle my mind how you can be travelling at something like 10,000mph or so and avoid space debris. A rock the size of a golf ball at that speed packs some punch surely, so the ship would have to be made from some heavily thick armour, or indeed have some sort of force field.

I don't know how to calulate G-force but does G-force only exist when you have gravity?
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