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Subject:
Navy Gets 8-Megajoule Rail Gun Working
yojimbo
1/18/2007 10:07:27 AM
Navy Gets 8-Megajoule Rail Gun Working
The Navy Surface Warfare Center in Dahlgren, Virginia has successfully demonstrated an 8-megajoule electromagnetic rail gun. A 32-megajoule version is due to be tested in June. A 64-megajoule version is anticipated to extend the range of naval gunfire (currently about 15 nautical miles for a 5-inch naval gun) to more than 200 nautical miles by 2020.
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reefdiver
1/18/2007 2:10:54 PM
Its real...but I wonder what the range of the 8megajoule is? I guess one could extrapolate (not necessarily correctly...) that if its 1/8 the power of the future 64MJ, then its range might be 1/8 of 200 or about 25 nautical miles. Still better than the current 5" guns. Wonder how fast they can cycle the current "lab" version. I would think heat and capacitor recharge might slow the ROF.
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Carl S
1/18/2007 3:46:48 PM
One way around capacitator recharage is to have more than one. I use battery powered drills/saws in high power applications & we keep the extra batterys on charges continually. On one occasion we had three chargers for one operating saw. Applied to the rail gun its little different in the abstract to a rotary chamber or barrel gun.
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reefdiver
1/18/2007 3:59:50 PM
Its real...but I wonder what the range of the 8megajoule is? I guess one could extrapolate (not necessarily correctly...) that if its 1/8 the power of the future 64MJ, then its range might be 1/8 of 200 or about 25 nautical miles. Still better than the current 5" guns. Wonder how fast they can cycle the current "lab" version. I would think heat and capacitor recharge might slow the ROF.
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Jeff_F_F
1/19/2007 1:40:06 AM
General Atomics announcing the contract, with some additional details. Apparently GPS guidance is an integral part of the plan. The g forces involved in firing it should make that fun.
http://www.ga.com/news.php?subaction=showfull&id=1151686612&archive=&start_from=&ucat=&
;
And another website giving some details on what the weapon could mean for N. Korea. It would be interesting if they could make an anti-aircraft/anti-missile version.
http://www.defensetech.org/archives/002514.html
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Jeff_F_F
1/19/2007 1:47:48 AM
General Atomics announcing the contract, with some additional details. Apparently GPS guidance is an integral part of the plan. The g forces involved in firing it should make that fun.
http://www.ga.com/news.php?subaction=showfull&id=1151686612&archive=&start_from=&ucat=&;
" href_cetemp=">
http://www.ga.com/news.php?subaction=showfull&id=1151686612&archive=&start_from=&ucat=&
;
">link
And another website giving some details on what the weapon could mean for N. Korea. It would be interesting if they could make an anti-aircraft/anti-missile version.
http://www.defensetech.org/archives/002514.html " href_cetemp=">
http://www.defensetech.org/archives/002514.html
">link
GA's announcement is at :
>
The other site is :
>
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giblets
3/1/2012 10:28:55 AM
not sure if this is the usual military delay, but the 32 Megajoule rail gun has been test fired! Not quite 'June 2007'!!!
http://www.innovationnewsdaily
...
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