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Showing content with the highest reputation on 08/14/2018 in all areas

  1. 2 points
  2. 2 points
    LostCosmonaut

    Competition Topic Suggestions

    Got an idea for a tank design competition, might be a bit of alternate history junk, but I'll see how it goes; It is the year 20XX. It has been XX years since a nuclear war destroyed much of the world, causing severe damage to the industrial base. You are an engineer in <country>, tasked with designing a new tank for your nation's armed forces. While your country has knowledge of prewar tank developments (such as the M1, T-14, etc.), your nation's industrial base is insufficient to use manufacturing techniques more advanced than late 1930s / early 1940s technology (what exactly this means requires me to do a bit more thought). Basically, a cheap way of getting around that any of the tanks from "design a tank for world war 2 country in 1938/1941/1944" end up using what we already know from hindsight and don't look like something that would have been made in that period.
  3. 2 points
  4. 2 points
    Domichan

    105x617 DM53 APFSDS-T?

    Hi SH_MM, this is definitely not a 105mm projectile. Source: I saw it last sunday in the WTS museum in Koblenz. It looks like it is 25 or 30mm, does not have a type designation, but was something experimental. Forgot to take a picture of the sign. I'll do that when I visit it again. Very interesting museum for people interested in experimenta; weapons and prototype vehicles. I can recommend going there. My fingers on the display for size: https://imgur.com/UIFyFvP
  5. 2 points
    SH_MM

    APC/IFV armor in details

    A few photos regarding the Boxer's armor: General: Note that the Boxer is - like the AMV - not protected against RPGs in its basic configuration. Additional armor packs or active protection systems have to be installed. Frontal hull armor: Upper section of the frontal hull / driver's hatch: Side armor: Additional roof armor against artillery bomblets:
  6. 1 point
    LostCosmonaut

    Competition: Tank Design 2239

    Backstory (skip if you don't like alternate history junk) The year is 2239. It has been roughly 210 years since the world was engulfed in nuclear war. Following the war, the United States splintered into hundreds of small statelets. While much knowledge was retained in some form (mostly through books and other printed media), the loss of population and destruction of industrial capability set back society immensely. Though the Pacific Northwest was less badly hit than other areas, the destruction of Seattle and Portland, coupled with the rupturing of the Cascadia Subduction Zone in 2043, caused society to regress to a mid-19th century technology level. However, in the early 2100s, the Cascade Republic formed, centered near Tacoma. The new nation grew rapidly, expanding to encompass most of Washington and Oregon by 2239. The Cascade Republic now extends from the Klamath River in the south to the Fraser River in the north, and from the Pacific roughly to central Idaho. Over time, the standard of living and industrial development improved (initially through salvaging of surviving equipment, by the late 2100s through new development); the population has grown to about 4.5 million (comparable to 1950 levels), and technology is at about a 1940 level. Automobiles are common, aircraft are less common, but not rare by any means. Computers are nonexistent aside from a few experimental devices; while scientists and engineers are aware of the principles behind microchips and other advanced electronics, the facilities to produce such components simply do not exist. Low rate production of early transistors recently restarted. The current armored force of the Cascade Republic consists of three armored brigades. They are presently equipped with domestically produced light tanks, dating to the 2190s. Weighing roughly 12 tons and armed with a 40mm gun, they represented the apex of the Cascade Republic's industrial capabilities at the time. And when they were built, they were sufficient for duties such as pacifying survivalist enclaves in remote areas. However, since that time, the geopolitical situation has complicated significantly. There are two main opponents the Cascade Republic's military could expect to face in the near future. The first is California. The state of California was hit particularly hard by the nuclear exchange. However, in 2160, several small polities in the southern part of the state near the ruins of Los Angeles unified. Adopting an ideology not unfamiliar to North Korea, the new state declared itself the successor to the legacy of California, and set about forcibly annexing the rest of the state. It took them less than 50 years to unite the rest of California, and spread into parts of Arizona and northern Mexico. While California's expansion stopped at the Klamath River for now, this is only due to poor supply lines and the desire to engage easier targets. (California's northward advanced did provide the final impetus for the last statelets in south Oregon to unify with the Cascade Republic voluntarily). California is heavily industrialized, possessing significant air, naval, and armored capabilities. Their technology level is comparable to the Cascade Republic's, but their superior industrial capabilities and population mean that they can produce larger vehicles in greater quantity than other countries. Intelligence shows they have vehicles weighing up to 50 tons with 3 inches of armor, though most of their tanks are much lighter. The expected frontlines for an engagement with the Californian military would be the coastal regions in southern Oregon. Advancing up the coastal roads would allow California to capture the most populated and industrialized regions of the Cascade Republic if they advanced far enough north. Fortunately, the terrain near the border is very difficult and favors the defender; (near the Californian border) The other opponent is Deseret, a Mormon theocratic state centered in Utah, and encompassing much of Nevada, western Colorado, and southern Idaho. Recently, tension has arisen with the Cascade Republic over two main issues. The first is the poorly defined border in Eastern Oregon / Northern Nevada; the old state boundary is virtually meaningless, and though the area is sparsely populated, it does represent a significant land area, with grazing and water resources. The more recent flashpoint is the Cascade Republic's recent annexation of Arco and the area to the east. Deseret historically regarded Idaho as being within its sphere of influence, and maintained several puppet states in the area (the largest being centered in Idaho Falls). They regard the annexation of a signficant (in terms of land area, not population) portion of Idaho as a major intrusion into their rightful territory. That the Cascade Republic has repaired the rail line leading to the old Naval Reactors Facility, and set up a significant military base there only makes the situation worse. Deseret's military is light and heavily focused on mobile operations. Though they are less heavily mechanized than the Cascade Republic's forces, operating mostly armored cars and cavalry, they still represent a significant threat to supply and communication lines in the open terrain of eastern Oregon / southern Idaho. (a butte in the disputed region of Idaho, near Arco) Requirements As the head of a design team in the Cascade Republic military, you have been requested to design a new tank according to one of two specifications (or both if you so desire): Medium / Heavy Tank Weight: No more than 45 tons Width: No more than 10.8 feet (3.25 meters) Upper glacis / frontal turret armor of at least 3 in (76mm) LoS thickness Side armor at least 1in (25mm) thick (i.e. resistant to HMG fire) Power/weight ratio of at least 10 hp / ton No more than 6 crew members Primary armament capable of utilizing both anti-armor and high explosive rounds Light tank Weight: No more than 25 tons Width: No more than 10.8 feet Upper glacis / frontal turret armor of at least 1 in thickness Side armor of at least 3/8 in (10mm) thickness Power/weight ratio of at least 12 hp / ton No more than 6 crew members Primary armament capable of utilizing both anti-armor and high explosive rounds Other relevant information: Any tank should be designed to operate against either of the Cascade Republic's likely opponents (California or Deseret) The primary heavy machine gun is the M2, the primary medium machine gun is the M240. Use of one or both of these as coaxial and/or secondary armament is encouraged. The secret archives of the Cascade Republic are available for your use. Sadly, there are no running prewar armored vehicles, the best are some rusted hulks that have long been stripped of usable equipment. (Lima Tank Plant ate a 500 kt ground burst) Both HEAT and APFSDS rounds are in testing. APCR is the primary anti-armor round of the Cascade Republic. Either diesel or gasoline engines are acceptable, the Cascade Republic is friendly with oil producing regions in Canada (OOC: Engines are at about a late 1940s/early 50s tech level) The adaptability of the tank to other variants (such as SPAA, SPG, recovery vehicle, etc.) is preferred but not the primary metric that will be used to decide on a design. Ease of maintenance in the field is highly important. Any designs produced will be compared against the M4 Sherman and M3 Stuart (for medium/heavy and light tank), as these blueprints are readily available, and these tanks are well within the Cascade Republic's manufacturing capabilities.
  7. 1 point
    LoooSeR

    Syrian conflict.

  8. 1 point
    whelm

    Name that AFV: The New Tank ID thread

    Your correct that it's related to the Ram 3.7" Evolution of that. Designed but never built. 3.7" Assault SPG
  9. 1 point
    1930s era histomap of religion:
  10. 1 point
    Some classic sci-fi ships n shit.
  11. 1 point
    Ramlaen

    General news thread

    A United Nations human rights panel said on Friday that it had received many credible reports that 1 million ethnic Uighurs in China are held in what resembles a “massive internment camp that is shrouded in secrecy.”
  12. 1 point
    LoooSeR

    Contemporary Western Tank Rumble!

    Small Grammar nazi (or Grammar commisar?) note - not stekloplastika, but stekloplastik.
  13. 1 point
    LoooSeR

    General AFV Thread

    Kaplan MT
  14. 1 point
  15. 1 point
    I've seen a bunch of masked people with giant banners containing white letters on a black background before, now where was it? Syria is think?
  16. 1 point
    Damn NRA, they keep training children to commit mass shootings!! ... Wait, why is this redneck NRA cousin-fucking sister-kissing backwoods shitstain wearing a turban... https://gunfreezone.net/index.php/2018/08/08/this-is-why-bad-things-continue-to-happen/ This is why bad things continue to happen I saw this Tweet from the AP. Twitter Ads info and privacy Holy shit! Not good. So I do a quick Google search to get some info. From HuffPo: Man In New Mexico Compound Trained Kids To Commit School Shootings: Court Documents From CBS News: Man at filthy New Mexico compound was training kids to commit school shootings, prosecutors say From NBC News: Man arrested at New Mexico compound was allegedly training kids to commit school shootings Comments from Twitter: Twitter Ads info and privacy Twitter Ads info and privacy Twitter Ads info and privacy Yep, they are blaming the NRA. There are a lot more like this. Finally, we get over to Fox News, which I know is “Faux News” that only tells lies and is just a propaganda arm for Trump. This is their headline: Man arrested at ‘extremist Muslim’ New Mexico compound was training kids to commit school shootings: documents So it’s not funded by the NRA. It’s a Madrassa. The father of a missing 3-year-old who was arrested at a New Mexico compound linked to “extremist Muslims” last week was training children to commit school shootings, court documents filed on Wednesday revealed. Prosecutors allege Siraj Ibn Wahhaj, 39, was conducting weapons training on the compound, where 11 children were found hungry and living in squalor. They asked Wahhaj be held without bail. Wahhaj is no stranger to terrorism. Wahhaj’s family background was already controversial prior to his arrest. Wahhaj is the son of a Brooklyn imam, also named Siraj Wahhaj, who was named by prosecutors as an unindicted co-conspirator in the 1993 World Trade Center bombing, the New York Post reported. The elder Wahhaj, who heads Masjid At-Taqwa mosque, was a character witness in the trial for Sheik Omar Abdel Rahman, the notorious “blind sheikh” who was convicted in 1995 of plotting terror attacks in the U.S. That’s not all. Enter our favorite intersectional feminist. So Linda Sarsour is proudly tied to a man running an Islamic terror training camp in New Mexico, but the Left all dump on the NRA. This is why we can’t get along with the other side.
  17. 1 point
    Late stage meiosis, mayhap? (can't be mitosis - I refuse to believe the guy has the right number of chromosomes)
  18. 1 point
    Mighty_Zuk

    APC/IFV armor in details

    Most NATO-member-made AFVs, especially for marketing, are made to meet a certain protection level described in STANAG 4569. It basically saves the vehicle manufacturers some of the time and money it takes to determine how much protection is required and where. So you will usually see designs that are made strictly to meet certain levels. The norm is level 6 on the front and level 4 on sides, plus level 4a/b vs mines as armor technology allows more weight savings. But some vehicles do deviate from these standards if the manufacturers are tasked with a requirement above NATO's. The Puma is one example of a vehicle that, as I understand, is marketed with a level 6 protection but can actually go somewhat higher, perhaps even 35mm at short range. Lynx KF41 almost definitely surpasses the STANAG 4569 levels in some areas, in its 50+ ton version. Many MBTs are capable of shrugging off 35mm shells. I believe all can do so on the turret, while on the hull it would take for most tanks an applique if the tank isn't angled. Leclercs and Leopards were built and sold with passive or the so-called semi-reactive armor that can both take such hits and survive consecutive strikes. Merkava tanks are built since early versions with high protection to the sides, and Abrams tanks pack multi-layered ERA on the sides that is capable of defeating such shells, at the cost of survivability of the armor. Ariete is an odd one. On one hand, I remember reading it uses large chunks of RAFAEL's ERA, but I don't know how much of the applique is ERA, or whether I read it wrong and it's passive/semi-reactive armor and not ERA. Either way, count it in as a tank that can at least take a couple shots of 35mm. T-14 seems to be packing a lot of passive and ERA on the sides, so the chances may not be all too great even after you pass the ERA, as the side skirts may have some passive armor behind the ERA plates. So overall, you wouldn't gain much from shooting volleys of 35mm at the sides of modern MBTs. But what is 99% sure is that no IFV will ever engage an MBT with such a cannon unless it was caught off guard and managed to spot the MBT first but knowing it cannot retreat.
  19. 1 point
    SH_MM

    APC/IFV armor in details

    For the sake of completeness, here are some details about the CV90's armor: Basic steel structure, armor of UDES 09 and Strf 90 armor: Never purchased MEXAS kit for the Strf 90 (a similiar kit was bought by Finland, Norway and Switzerland): On the Swiss Schützenpanzer 2000 (CV9030 Mk II), the MEXAS armor panels have a maximum thickness of 70 mm. Armor measurements on the CV9035NL without add-on armor done by @Bronezhilet CV9035 turret during production: (this seems to be just 20-30 mm thick steel, but it is often fitted with composite armor on top of that) CV9035NL engine bay: CV9035NL add-on armor (SidePRO, RoofPRO and MinePRO from RUAG): RoofPRO composition (thickness might be different depending on application): Might post something regarding ASCOD, Boxer, Puma, BMP, etc. over the next days...
  20. 0 points
    Oedipus Wreckx-n-Effect

    General news thread

    We got people to believe in the moon landing. This should be a cakewalk.
  21. 0 points
    Hey what level of autistic screeching are you at? I don't know...3..or 4? You are like little baby, hold my chai mocha latte.
  22. 0 points
  23. 0 points
    Krieger22

    Bash the F-35 thred.

    And now for some content that actually is the title. By which I mean, share my misery. The Reddit post that resulted in this absurdity here.
  24. 0 points
  25. 0 points
    It works in Japan. But then again, a lot of things work in Japan that shouldn't. @LostCosmonaut I convinced my wife to go skiing with me this winter. Bwahahahah.
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