Last Nimitz-Class SuperCarrier started....

[GT98]

Originally posted by GNEP
http://www.guardian.co.uk/g2/story/0...786992,00.html

Have to say one thing....the more you train, less you bleed in battle....I work doing supporting the computers used some of the simulations used in warplanning and I've already heard stories about things that needed to be changed if stuff goes down in Iraq...better to learn when no one looses a live then to have a blood bath.

[Corran Horn]

Originally posted by GNEP
http://www.guardian.co.uk/g2/story/0...786992,00.html

Interesting. Almost this exact scenario played out in an episode of 'JAG' a few weeks back.

[Dr Mordrid]

And one reason why it would be a very good idea to give 'em a VERY wide pass if you're a civilian craft, especially given what happened to the USS Cole....

When the s*** starts they're gonna be on a hair trigger.

Dr. Mordrid

[Joel]

Like has been said before this is not going to be like any war we have fought before. For one thing the other side does not believe in playing along with any of the current conventional rules of war.

Joel

[Wulfman]

is it only me or is the name "bush" for a ship maybe a bit provocative?

imagine it patrolling in the gulf in some years... *outch*

mfg
wulfman

[James_D]

Originally posted by Dr Mordrid

There is also word that there will also be remotely controlled attack drone subs (unmanned) that have advanced miniature torpedos; something like an underwater Predator attack drone.

Then there are the super-cavitating torpedos coming into service that go supersonic shortly after being fired

Yeah....supersonic torpedos, leaving the target NO time to evade them or launch countermeasures.

Dr. Mordrid

Hm... thoose supersonic torpedoes... yeah.. right.. supersonic under water... that's a bit faster than above water to say it mildly.

So a torpedo doing above 5000km an hour... do you have any idea how much energy it would take to propell something at that speed.... It's about the same amount of energy it takes to get the Space shuttle of the ground.

Or are you talking about the MK60 Sealance??? Wich is part rocket part torpedo???

James.

(ex Naval torpedo officer in the Norweagen Navy)

[Wombat]

Actually, they ARE supersonic underwater. Take a minute to educate yourself, and study how cavitating torpedoes work. They travel in an air pocket.

There's an interesting theory that the Kursk was sunk because it was testing out cavitating torpedoes and one exploded in/near the sub.

[James_D]

Originally posted by Wombat
Actually, they ARE supersonic underwater. Take a minute to educate yourself, and study how cavitating torpedoes work. They travel in an air pocket.

There's an interesting theory that the Kursk was sunk because it was testing out cavitating torpedoes and one exploded in/near the sub.

So if they are supersonic(supersonic means faster than sound in that media.) in airpockets in water, then they are NOT supersonic under water, since the sound speed is 5000 km under water. And cavitation is achieved by hyperrotation, creating small airbubles, decreasing the resistance in the water. (I KNOW WHAT IT IS!!)
And the deeper you are the more difficult it is to acheive cavitation due to increased pressure.

And to the Russian torpedoes, they are experimenting with a torpedo doing 500km an hour under water. The nato still hear em on the old Sosus nettwork. That's why the LA class Memphis was in the close area when the Kursk went down, and why the NRAF had a P3b Orion airplane in the area as well, and the Inteliigence ship Marieta also was there.

James.

[Wombat]

Actually, the cavitation is achived through a nose disc, and then the insertion of exhuast to complete the low-pressure encapsule. Their medium is water vapor and rocket exhaust, not water.

And it makes a hell of a lot of difference from an engineering standpoint.

[James_D]

Originally posted by Wombat
Actually, the cavitation is achived through a nose disc, and then the insertion of exhuast to complete the low-pressure encapsule. Their medium is water vapor and rocket exhaust, not water.

And it makes a hell of a lot of difference from an engineering standpoint.

I'm sorry, they are taking the exaust out front, what kind of engine are they using???? Diesel, or Rocket. Solid stage rocket, then you can forget about taking the exhaust out front.
They can release gas out front, that I agree with, creating Supercavitation. And if they should use a metalburing gas turbine, using sea water as oxidising agent well, that's VERY FAR AHEAD!!!!!!!!!!!!!!

And the nosedisc what is the function, creating an angle for attack to the water, or Ultrasound, also possible to create bubbles with usound, but the problem is that you need pizzoelectric crystals, and to generate that much energy you need a lot of power.

And the russian Shkval, is no where near supersonic, but uses a solid stage rocket, with hyperrotation, and also gas release to create supercavitation.

James.