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Found 17 results

  1. I'm sure that all the SH regulars will know this backwards and forwards, so this is more for the benefit of newer people, or people who stumble in via google, or people who want a quick link they can throw out as an answer to anyone who asks the question. So, what's with the goofy-ass road wheel design on German WWII AFVs? A puzzled and terrified worker struggles to comprehend and assemble the suspension of a tiger I You may have run into a variety of explanations for this running gear design; that it provided a smoother ride, that the design saved rubber, or possibly some other
  2. This thread is for suggesting contest subjects for the forum to participate in!
  3. Most automatic weapons, with the exception of really weird designs like the Madsen LMG and Hino-Komuro, have a linear reciprocating breech member; either the bolt or a bolt carrier group. This reciprocating member is supposed to move rearward (the recoil stroke) and pull the spent case from the chamber, and then rebound off of a spring to shove a new round into the chamber (the counter-recoil stroke). After the counter-recoil stroke the reciprocating mass should come to a halt in its forward-most position; the "in-battery" position. When the bolt carrier group is in battery the case is enti
  4. This may have already been answered, but why are so many modern assault rifles gas-operated, when blowback-operated designs are (generally speaking) simpler/cheaper to manufacture and require less maintenance? I've been doing some research and can't seem to figure out why for the life of me. Any assistance is greatly appreciated.
  5. I woke up one day and decided "why not design an entirely new rifle from scratch, and live blog it?" So here we are. About ten minutes in and we've got the beginnings of a receiver extrusion made from 7075 T6 aluminum: Currently I think the rifle will be in 5.56mm. It will not use STANAG magazines. @Ulric plz halp design new mag?
  6. Here at Sturgeon's House, we do not shy from the wholesale slaughter of sacred cows. That is, of course, provided that they deserve to be slaughtered. The discipline of Military Science has, perhaps unavoidably, created a number of "paper tigers," weapons that are theoretically attractive, but really fail to work in reality. War is a dangerous sort of activity, so most of the discussion of it must, perforce, remain theoretical. Theory and reality will at some point inevitably diverge, and this creates some heartaches for some people. Terminal, in some cases, such as all those A
  7. The year is [year]. You are a [thing] designer working in/for [country/nation state/corporation]. The [things] of the rival [country/nation state/corporation] have recently *gotten meaningfully better in some specific way* and/or *the geopolitical and/or industry circumstances have significantly changed*. You have been tasked with designing a [thing] to meet the needs of this new and changing world! If that made you laugh, maybe you've participated in a design competition before, here or on another forum. I've been a contestant or judge five or six design competitions by this point
  8. The idea for a design competition predates SH itself, actually going all the way back to the 2011-2012 timeframe on the World of Tanks North American Forum. Before the Exodus of 2014, there were several tank design competitions, two of which I entered. Earlier today, I found my entries to those competitions saved in various forms on my computer, and I thought I would post them here for people to reference moving forward. Entered in: Design a Tank - 1938 Germany The Early History of the Mittlerer Panzer Greif In 1936, as Heinz Guderian was writing Achtung
  9. At the end of January, 2018 and after many false starts, the Russian military formally announced the limited adoption of the AEK-971 and AEK-973 rifles. These rifles feature an unusual counterbalanced breech mechanism which is intended to improve handling, especially during full auto fire. While exotic outside of Russia, these counter-balanced rifles are not at all new. In fact, the 2018 adoption of the AEK-971 represents the first success of a rifle concept that has been around for a some time. Earliest Origins Animated diagram of the AK-107/108 Balanced action recoil sy
  10. It is time to explain The Aglockalypse. This is the handgun that killed handgun design in the West. Nobody has had any new ideas worth mentioning on the mechanical design of service handguns since this design came out. Almost every major arms manufacturer in the West makes what is materially a Glock clone; albeit with a few small embellishments and their own logo stamped on the side. What Makes a Glock a Glock? Almost every mechanical contrivance in small arms design was invented about one hundred years ago by some Austro-Hungarian noble you've never heard of or by John Moses B
  11. 56K unfriendliness follows: Artistic 3D cutaway of the GSh-18 from Abiator In the early 1990s, the Russian military began looking for a replacement for the long-serving Makarov PM pistol. The Makarov, while a sound and simple design, was an old-fashioned design that could not take advantage of the latest advances in polymer and ammunition technology. A certain Austrian businessman had shown that it was quite possible to make pistol frames out of injection-molded plastic instead of laboriously milling them out of steel or aluminum, and the world had well and truly taken note. In additi
  12. Some years ago I was goofing around with a tavor: And a somewhat... less practical design as well: Upon field stripping them, I noticed something interesting: The desert eagle's bolt is on the left, and the tavor's is on the right. They're surprisingly similar. The cam surface for the bolt rotation is located on the bolt stem. In most other rotating bolt designs the cam surfaces are located on the bolt carrier, not the bolt. This is the TAR-21 bolt carrier: You can see the hole where the cam pin sits (it's the big one you can see the wood grain through).
  13. Tank design is often conceptualized as a balance between mobility, protection and firepower. This is, at best, a messy and imprecise conceptualization. It is messy because these three traits cannot be completely separated from each other. An APC, for example, that provides basic protection against small arms fire and shell fragments is effectively more mobile than an open-topped vehicle because the APC can traverse areas swept by artillery fires that are closed off entirely to the open-topped vehicle. It is an imprecise conceptualization because broad ideas like "mobility" are very complex
  14. Now that Weaponsman has linked the forum, I guess it's time to post actual content. No more dumb one-liners or jokes about the Turkish government's policy towards Kurds or Sherman burning down Atlanta. For at least five posts. I think that's all I can manage. The internet has been a mixed blessing for gun nuts. On the one hand, it allowed for much freer exchange of information that was previously exclusive to a few experts. The notorious mil-spec chart (no longer up to date) that circulated around ar15.com years ago is probably a big part of the reason that AR-15 manufacturers stepped
  15. Too often technology is portrayed a steady, linear series of more or less inevitable improvements. This is an easier illusion to maintain if you don't know anything about the subject. In fact, the history of technology is littered with insane, unworkable garbage. Things that didn't work, barely worked, might-have-beens, things that would perhaps be worth revisiting, things fit only for ridicule, and some things that make no sense whatsoever: Yes! Terrify your enemies with your new gunspoon! Note the direction of the trigger and the direction of the muzzle. What the hell were the
  16. Dear [iNSERT NAME OF COMPANY REPRESENTATIVE HERE], Congratulations! Your company has been selected to partake in a competition to design an aircraft for the Republic of Kerbalia. The competition will be in the form of a fly-off, with entrant designs being assessed relative to each other and the current front-line multirole fighter of the Republic (specifications included in data pack attached hereto). Should you choose to partake in this process, initial development funds of up to 40 000 Kerbalians will be made available to you. Technological limitations being what they are, the use o
  17. Since the AMX-30 is about to be added to World of Tanks, I thought now would be a good time to take a look at the design. Conventional wisdom would have that the AMX-30 is a sort of retarded little brother to the leo 1. The designs did originally stem from a joint Franco/German tank project, which, like most multinational programs, fell apart when the partners involved realized they couldn't both be in the driver's seat. Actually, the AMX-30 and Leo 1 differ significantly in design priorities. The first surprise from a more careful look at the AMX-30 is that the armor is ac
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