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Sturgeon's House


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Everything posted by Xlucine

  1. More dakka on the mini turret? Or a grown up telfare device?
  2. Wouldn't a snorkel leak flood the centre compartment, bringing the sub down evenly?
  3. This isn't a small arm where the user is leaning the handguards on walls and such, so you don't need to isolate the barrel from any loads applied to the firearm structure. The ballistics in this case are going to be dependant on the barrel harmonics (i.e. where the nodes & antinodes are), and using the structure to force a node right by the end of the barrel should improve the shooting consistency. It's not a thermal shroud (due to the holes), and it's not to reduce radar cross-section (also due to the holes) - the only other use left is structure, and cutting holes in a structure like that is a good way to improve the mass efficiency.
  4. The heterogeneous heating of gun barrels is primarily due to sunlight (as the heat from firing is evenly distributed around the circumference), so it's odd to see a thermal shroud with holes in (which would allow sunlight onto the barrel, especially the holes in the top). The shape is also inefficient as a thermal shroud, normally they're wrapped tighter around the gun to minimise the extra weight. My money's on it being a structural support only
  5. A dozer with a root rake is pretty close to a full-width mine plough
  6. There's no need to worry about supersonic tip speeds on ships (with c0 = 1.5 km/s), but the rest of the aero/hydrodynamics is pretty similar
  7. Hah "It's unfair to expect a fighter jet to fight, ours are ideal for recent wars in afghanistan NO STOP LOOKING AT THAT TUCANO" "We tried to twist their arm into excluding lockmart on a technicality, but it didn't work"
  8. How is producing a large truck a limiting factor in replacing an advanced AA system?
  9. UK F-35 on ops over syria&iraq: https://www.gov.uk/government/news/history-made-as-uk-f-35s-complete-first-operational-missions They deployed to cyprus as an exercise to show that the plans for deploying away from main base worked, and it went so well they decided to buzz syria while they were there.
  10. Just a "disruptive passenger" on a commercial flight https://www.bbc.co.uk/news/uk-england-essex-48732642 Quite a response for a drunk woman
  11. Called off strike has been officially confirmed
  12. "rofl-stomping" doesn't fit in the usual list of goals in conflict. Iran's likely goal is to be the biggest pain in the arse possible, and they have the deck stacked in their favour: 21% of the worlds oil flows through that strait, and it'll take anywhere from a week to a month to clear the mines (a week for a narrow, sort-of-safe channel, but what insurer would accept a 10% chance they lose the ship?). That's without iranian forces interrupting the MCM, or targeting tankers in other regions near the iranian coast (ASM launchers won't last longer than their first salvo, but that's a lot of missiles in the air. You can't reliably get them before they fire either, as iraqi scuds proved - and scuds are larger than ASMs). For reference the 1979 oil crisis only involved a 4% drop in oil production, and lead to a doubling of the price of oil. The US options to respond are pretty short of a rofl-stomp - they can muster a small air & naval campaign at best with the forces available. The first gulf war involved thousands of aircraft (compare to the few squadrons moved to the region recently), and even with a ground campaign saddam wasn't replaced. They could sink most of the iranian naval assets, probably enforce air superiority over the important bits, pop most of the ASM launchers, and might as well strike the nuclear facilities, but what's the end-state? How do they get the iranians to stop fighting, short of a total occupation (something that would be several times larger than gulf war 2)? ASMs have shown up in the hands of non-state actors, so a bloodied state actor like iran could dangle the credible threat of ASM strikes on nearby shipping for the foreseeable future even with a constant US fast jet presence. Autonomous mine countermeasures has the potential to greatly improve MCM speed, but it's not ready today in the numbers needed and doesn't solve the ASM issue.
  13. SCAF has DSI, the turkish jet does not. What happened to them stealing all the F-35 secrets?
  14. It looks a lot like an iranian boat http://parstoday.com/en/news/iran-i5290-iran's_speed_boats_delivered_to_irgc I'm convinced that the iranians did it, based on the footage, unless someone manages to find footage of a really good vis-modded boat that looks like that in a saudi port
  15. I wonder if you could SLM metal into similar shapes as the foam? It'd still be expensive, but at least it would be consistent
  16. Licence production isn't the same thing as joint development - Altay, K-X and Merk all relied on external designs, but they were exclusively national programs (unless the US buys the K-X or merk, or SK buys the altay). This is a key distinction, because the infighting over workshare and who's requirements to design the vehicle to is generally fatal for a proper international program. With MBT-70, the threat was rapidly changing from T-55/62's (which M-60 was designed against, possibly not even considering the 115mm) to T-64/72/80 (along with big improvements in and proliferation of ATGMs). Leo 2 and Leclerc were designed against T-72's, and the threat is changing to T-72B3 mod 2016 mk53 (until we see volume production of the T-15)
  17. Also 3" HE for the WW2 skirts IIRC
  18. Can anyone name an international tank programme that was big enough to not be killed? The first europanzer, MBT-70, MBT-80... and I'm drawing a blank
  19. Looks like we get a flamethrower that functions like the chainsaw, only dropping armour instead of ammo
  20. Reposting: Bat-winged dino with teeth and feathers! https://www.nature.com/articles/s41586-019-1137-z Artist's impression: http://fav.me/dd6kjv6
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