Shattering Rear Window

[Camaro Bob]

Yeah, that sounds a lot like the missle I was speaking of. I'd like to know more....got any idea how they get it to a velocity like mach 6? What type of propelents did they use? Man, this stuff interests me a lot.

[96firebird311]

<blockquote>quote:</font><hr>Originally posted by zlexiss:
The trusted Phalanx system on Navy ships (that sweet 20mm gatling gun) is being supplemented by the RAM missile, due to its high speeds and increased engagement distance over the gun.

Oh, and check out
http://www.raytheon.com/newsroom/briefs/082902.html

for our version of the high-speed AT round (plus cool pic).

-Jeff<hr></blockquote>
I am on a Naval Ship as I write this. Last I knew, RAM was one the one being phased out. CIWS is the s#it! Whenever it's not jammed.... hehehehe [img]tongue.gif[/img]

[zlexiss]

They want to use both systems, each has advantages. CIWS is being upgraded (Block 1) to handle threats in coastal environments (noisy, hard on radar), like those little speedboats with guns, heli's, and other "new" threat types.

Bob: for speed, lighten the missile and add a bigger rocket motor :) With the speed adding lots of kinetic energy, you don't need a big honkin warhead like a TOW or Javelin to penetrate the armor..

<blockquote>quote:</font><hr>Originally posted by 96firebird311:

I am on a Naval Ship as I write this. Last I knew, RAM was one the one being phased out. CIWS is the s#it! Whenever it's not jammed.... hehehehe [img]tongue.gif[/img] <hr></blockquote>

[Camaro Bob]

I understand that if you reduce the mass of the rocket, it will decrease the KE, but if you increase the velocity, it will multiply the KE by it's square. That's still one heavy *** rocket. What do they use in the rocket engines for thrust? I understand how they work, but what type of substance do they use to get velocities like that, yet don't weigh in at a ton? I bet those things are loud as hell! Any way I could ever see anything like that go off? Do they ever do demos? How could I find a job in that field when I graduate with ME and EE degrees? I got your message on IM, but I was in class until Seven, that damn Diff Eq II lab.... I'll get back to you soon.

[96firebird311]

<blockquote>quote:</font><hr>Originally posted by Camaro Bob:
I bet those things are loud as hell! Any way I could ever see anything like that go off? Do they ever do demos<hr></blockquote>
"Loud as hell" is an understatement. Seriously. I've seen the 5" gun fire from about 100ft and it forces the skin back off your face!
[img]graemlins/omg.gif[/img]

Then I watched two SM2's fire from about 100ft and it was damn near unbearable.... :eek: :( [img]smile.gif[/img] Hopefully, I'll be watching some of the Tomahawks I'm launching into Syria! hehehehe :D I don't care where the missle is going, I just wanna shoot!!!! :mad: :D

[zlexiss]

Most all the missiles use solid propellants, mainly a reduced smoke formula (so you don't see them coming) that's got a fairly nice impulse. Shoot a few model rockets and you'll see how a little perchlorate can really get something moving.

The propellant is cast into the engine section, and the hollow core is shaped to provide the right amount of surface area for the desired burn rate (simple hole = slow initial rate, slowly increasing, while a star shaped core burns quickly at first and settles down to a slower rate).

As far as movies, I may have a few lying on my computer at work which are ok to send outside the company (lots of test fire stuff that gets sent around is proprietary). Get me enough vid capture stuff to turn VCR tapes into mpegs and I can start taking out unclassified tapes from the technical library, most programs have tapes that are public viewable, lots of drones and ground targets getting pegged. Nice when a test missile is accurate enough to wipe out the target just from the direct hit, no warhead installed..


<blockquote>quote:</font><hr>Originally posted by Camaro Bob:
I understand that if you reduce the mass of the rocket, it will decrease the KE, but if you increase the velocity, it will multiply the KE by it's square. That's still one heavy *** rocket. What do they use in the rocket engines for thrust? I understand how they work, but what type of substance do they use to get velocities like that, yet don't weigh in at a ton? I bet those things are loud as hell! Any way I could ever see anything like that go off? Do they ever do demos? How could I find a job in that field when I graduate with ME and EE degrees?<hr></blockquote>

[zlexiss]

Eventually, some mod is gonna move this to the lounge :)

Maybe they can retitle it after a popular lecture from the company's chief engineer, "Some secrets of rocket science"

[Mikey]

You only know youve got bump until you blow your hatch! [img]graemlins/fluffy.gif[/img]

[Camaro Bob]

Yeah, I'm sure they will probably end up moving it...

Those model rocket engines are fun. I used to use them as igniters for bombs my buddies and I used to cook up. They worked well, but usually sent the rocket engine in some random direction.

That's cool, I'd like to see some footage.

[97rs]

this supposedly shattered the rear window-
01 eclipse. (2 jlw7's dont know what size, 2 1000watt amps i think.)

[Camaro Bob]

Those aren't W7's, they look like W6's to me. They aren't W3's because they don't have a vented pole piece....

I don't understand how two 15's would break the glass, unless air movement dismounted the window...Explain where you heard about this window shattering stereo, I didn't see anything on that site explaining it.

W7: http://www.jlaudio.com/press/8W7_Intro.html

[97rs]

oh they aren't? i could've sworn they were, but this guy got his system in about a year ago, so i could be fuzzy on some details.

[xdamxincx]

<blockquote>quote:</font><hr>Originally posted by 97rs:
this supposedly shattered the rear window-
01 eclipse. (2 jlw7's dont know what size, 2 1000watt amps i think.)<hr></blockquote>

[img]graemlins/bs.gif[/img]

[96firebird311]

<blockquote>quote:</font><hr>Originally posted by Camaro Bob:
I bet those things are loud as hell! Any way I could ever see anything like that go off? Do they ever do demos? <hr></blockquote>

Hey, we JUST did a test shoot of a couple of SM2 missles. I have a couple of short video clips of them. I don't think there is any sound..... but it's still kinda cool. If you or anybody else would like me to send them, lemme know. [img]smile.gif[/img]

[naptown]

<blockquote>quote:</font><hr>Originally posted by 97rs:
this supposedly shattered the rear window-
01 eclipse. (2 jlw7's dont know what size, 2 1000watt amps i think.)<hr></blockquote>

Those areny W7's and those arent 1000/1 JL Amps. Those are W3's and 500/1's

[ May 01, 2003: Message edited by: naptown ]</p>