md无壳蛋项目进展不错啊

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http://www.thefirearmblog.com/bl ... ine-gun-ammunition/
还要搞短枪管


HUNT VALLEY, Md. — AUGUST 6, 2013 — AAI’s Lightweight Small Arms Technologies (LSAT) team, part of Textron Systems, a Textron Inc. (NYSE: TXT) company, announced today it has been awarded a $2.05 million contract through the Department of Defense Ordnance Technology Consortium to further innovate both its caseless and cased-telescoped lightweight ammunition and weapon technologies.

This ordnance technology initiative includes three major thrusts. It continues to refine the LSAT 5.56mm Cased Telescoped ammunition and Light Machine Gun in support of an Army live fire experiment; advances development, testing and characterization of prototype 5.56mm Caseless ammunition; and extends Cased-Telescoped ammunition technologies to a 7.62mm cartridge.

The Department of the Navy’s Office of Naval Research, in Arlington, Va., and the Joint Service Small Arms Program Office (JSSAP), located at the U.S. Army Armament Research, Development and Engineering Center (ARDEC) at Picatinny Arsenal in New Jersey are jointly participating in this initiative.

The updated LSAT 5.56mm system will be assessed during the Army’s Dismounted Non-Networked Experiment (DNNE), taking place this month at the Maneuver Battle Lab at Fort Benning, Ga. The caseless ammunition effort will focus on improving propellant and ignition formulations in a 5.56mm configuration. The 7.62mm cased-telescoped cartridge will incorporate mature lightweight ammunition technologies successfully demonstrated in the 5.56mm LSAT cartridge.

Contract work will be conducted over a one-year period by the AAI-led team, which also consists of Alliant Techsystems (ATK), Veritay Technology and St. Marks Powder, a General Dynamics company.

“We’re pleased to be continuing our developmental work on lightweight ammunition and weapon technologies,” said AAI Program Manager Paul Shipley. “The LSAT program team has made significant advances, and this is the next step toward delivering a scalable, affordable family of lightweight weapons and ammunition.”

The LSAT team previously developed and demonstrated a prototype weapon and ammunition that provides up to a 50 percent reduction (20 lbs.) in weight compared to the current M249 machine gun and M855 brass cased ammunition carried by infantrymen.  Its Cased Telescoped Light Machine Gun (LMG) prototype has been demonstrated at Technology Readiness Level 7. The weapon design maintains the lethality and reliability of the existing weapon while offering improved ergonomics. A compact LSAT LMG variant, developed for close quarters applications and tested in 2012 by the U.S. Army Special Operations Command, features a quick-change 12-inch barrel and a folding buttstock.

http://www.thefirearmblog.com/bl ... ine-gun-ammunition/
还要搞短枪管

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HUNT VALLEY, Md. — AUGUST 6, 2013 — AAI’s Lightweight Small Arms Technologies (LSAT) team, part of Textron Systems, a Textron Inc. (NYSE: TXT) company, announced today it has been awarded a $2.05 million contract through the Department of Defense Ordnance Technology Consortium to further innovate both its caseless and cased-telescoped lightweight ammunition and weapon technologies.

This ordnance technology initiative includes three major thrusts. It continues to refine the LSAT 5.56mm Cased Telescoped ammunition and Light Machine Gun in support of an Army live fire experiment; advances development, testing and characterization of prototype 5.56mm Caseless ammunition; and extends Cased-Telescoped ammunition technologies to a 7.62mm cartridge.

The Department of the Navy’s Office of Naval Research, in Arlington, Va., and the Joint Service Small Arms Program Office (JSSAP), located at the U.S. Army Armament Research, Development and Engineering Center (ARDEC) at Picatinny Arsenal in New Jersey are jointly participating in this initiative.

The updated LSAT 5.56mm system will be assessed during the Army’s Dismounted Non-Networked Experiment (DNNE), taking place this month at the Maneuver Battle Lab at Fort Benning, Ga. The caseless ammunition effort will focus on improving propellant and ignition formulations in a 5.56mm configuration. The 7.62mm cased-telescoped cartridge will incorporate mature lightweight ammunition technologies successfully demonstrated in the 5.56mm LSAT cartridge.

Contract work will be conducted over a one-year period by the AAI-led team, which also consists of Alliant Techsystems (ATK), Veritay Technology and St. Marks Powder, a General Dynamics company.

“We’re pleased to be continuing our developmental work on lightweight ammunition and weapon technologies,” said AAI Program Manager Paul Shipley. “The LSAT program team has made significant advances, and this is the next step toward delivering a scalable, affordable family of lightweight weapons and ammunition.”

The LSAT team previously developed and demonstrated a prototype weapon and ammunition that provides up to a 50 percent reduction (20 lbs.) in weight compared to the current M249 machine gun and M855 brass cased ammunition carried by infantrymen.  Its Cased Telescoped Light Machine Gun (LMG) prototype has been demonstrated at Technology Readiness Level 7. The weapon design maintains the lethality and reliability of the existing weapon while offering improved ergonomics. A compact LSAT LMG variant, developed for close quarters applications and tested in 2012 by the U.S. Army Special Operations Command, features a quick-change 12-inch barrel and a folding buttstock.
上面的每一个字母我都认识:-[
这子弹真硕大无比啊,体积得比同等威力的有壳弹大出两倍吧?
冲锋步枪手 发表于 2013-8-9 13:04
这子弹真硕大无比啊,体积得比同等威力的有壳弹大出两倍吧?
http://www.firearmsworld.net/usa/mg/lwmg/lwmg.htm
不是,体积和重量都小
冲锋步枪手 发表于 2013-8-9 13:04
这子弹真硕大无比啊,体积得比同等威力的有壳弹大出两倍吧?
体积小,重量轻,要不干嘛搞这玩意儿
无壳弹早晚的趋势,未来的发展方向
无壳弹枪支用无托结构可好?枪管长威力更大,因为无壳,没有抽壳结构和相关弊端。
自燃问题得到了有效解决?没看到黄教授出消息啊。

蝴蝶恋飞 发表于 2013-8-10 08:52
无壳弹枪支用无托结构可好?枪管长威力更大,因为无壳,没有抽壳结构和相关弊端。


抛壳口还是需要的,否则如何处理哑弹,不过可以采用类似斯太尔ACR的下抛壳设计,另外无壳枪管可以比有壳长一截
http://www.firearmsworld.net/usa/r/caseless/clr.htm
在2010年的会议上公布了原理样机的情况,根据所公开的PDF文件中提及,该枪全长和M4相同,但枪管长了4英寸。弹匣容量42发。在2010年3月已经开始进行测试。枪托折叠时全长24.75英寸。采用起落式弹膛设计
蝴蝶恋飞 发表于 2013-8-10 08:52
无壳弹枪支用无托结构可好?枪管长威力更大,因为无壳,没有抽壳结构和相关弊端。


抛壳口还是需要的,否则如何处理哑弹,不过可以采用类似斯太尔ACR的下抛壳设计,另外无壳枪管可以比有壳长一截
http://www.firearmsworld.net/usa/r/caseless/clr.htm
在2010年的会议上公布了原理样机的情况,根据所公开的PDF文件中提及,该枪全长和M4相同,但枪管长了4英寸。弹匣容量42发。在2010年3月已经开始进行测试。枪托折叠时全长24.75英寸。采用起落式弹膛设计
枪弹自燃和枪弹物理强度问题解决的怎么样了?
液体发射药才是王道,能解决一大堆问题
比M249的重量减轻一半,真是个好东西!
看图片是用软弹袋装弹,这下子连弹匣的重量都省掉了。
比较适合东亚人使用。
xxpander 发表于 2013-8-12 15:04
比M249的重量减轻一半,真是个好东西!
看图片是用软弹袋装弹,这下子连弹匣的重量都省掉了。
比较适合东 ...
机枪有100发的软弹袋和150发的塑料弹箱
步枪还是使用弹匣
中华鳖精 发表于 2013-8-12 13:47
枪弹自燃和枪弹物理强度问题解决的怎么样了?
还在折腾中,不过进度让军方满意,所以拨了2百万
个人感觉塑料埋头蛋成功的几率较大
lixiaoyong 发表于 2013-8-12 15:50
机枪有100发的软弹袋和150发的塑料弹箱
步枪还是使用弹匣
即使用弹匣也省了不少重量啊。最好就是按照G11的机枪版的设计,蛋蛋都装在枪托里,一下子有上百发,爽翻了
二十多年了,成正果了?另外,枪膛也挂铜吗?
高斯枪才是王道,以后就是电磁枪这一种形式而已,只是不知道哪年才能搞出来,能源是个大问题
无壳弹? 为什么 我感觉这是可燃式弹。
lubinyss 发表于 2013-8-13 22:18
二十多年了,成正果了?另外,枪膛也挂铜吗?
用的就是5.56的弹头,也许会像m855a1一样,在发射药里面加除铜剂
感觉塑料蛋壳用于连发步枪和机枪比较稳妥;无壳弹给狙击步枪这种单发步枪挺好。作为枪械大国,这事美国如果搞成功了,对于枪械行业滴贡献相当于半个飞跃。采用现有弹头是很明智滴选择。
独孤求胜 发表于 2013-8-14 12:43
感觉塑料蛋壳用于连发步枪和机枪比较稳妥;无壳弹给狙击步枪这种单发步枪挺好。作为枪械大国,这事美国如果 ...
无壳弹减重最有效
塑料壳埋头弹全重8.3克,而无壳弹重6.3克,差不多只有m855的一半重量了
俺不是说份量。从实际使用滴稳妥方面而言。
无壳弹射速可以堆得比较高,
对个人自卫武器和机枪影响比较明显

独孤求胜 发表于 2013-8-14 12:58
俺不是说份量。从实际使用滴稳妥方面而言。


大狙对携弹量的要求不高啊
按md的计划是分2步走,无壳弹搞定用无壳弹,搞不定用塑料壳

独孤求胜 发表于 2013-8-14 12:58
俺不是说份量。从实际使用滴稳妥方面而言。


大狙对携弹量的要求不高啊
按md的计划是分2步走,无壳弹搞定用无壳弹,搞不定用塑料壳
无壳弹高温自燃滴毛病要解决代价太大,狙滴射速滴,枪管没那么容易过热,用无壳弹还行。机枪就不好说了,还是弄个壳子保险。
无壳弹当年德国搞出过,好像最后放弃了,不清楚是技术原因还是成本原因。
红色斯拉姆 发表于 2013-8-15 12:39
无壳弹当年德国搞出过,好像最后放弃了,不清楚是技术原因还是成本原因。
有说md这次购买了给g11搞发射药的诺贝尔公司的专利
真假不知