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Gunsmith Katsumi - Akitsukuni Arms Design Quest

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Character Sheet
  • Informational
    • Tachibana Katsumi

    Stress: 5/10

    Accomplishments
    Mechanical Engineering degree
    Got a job in your field
    Type 37 Special Purpose Rifle
    Type 38 Self-Loading Pistol

    Friends
    Maeda Rumi: Your roommate.
    Sanders Clara Rose: A colleague who works for Naylor, Sons & Daughters.

    Coworkers
    Mr. Watanabe: Your superior.
    Mr. Akutagawa: The boss of the company.

    Workshop 3
    Ms. Ikeda Nioh: Chemist. She also seems to be Mr Watanabe's personal secretary, but you're not sure if that's an official position.
    Mr. Yakade Yasuo: Physicist, specialized in ballistics. A living, breathing Technical Appendix C.
    Mx. Kusonoki Mayumi: Has a degree in materials science. Gets a look on their face when they say they know more about wood than anyone.
    Mr. Shiragiku Hideyoshi: Metalworker. Having met him, you've learned why metalworking is a craft and the meaning of the phrase "thinks himself heaven's gift to women".
    Mr. Kashiwa Ichiro: An apprentice gunsmith with a background in carpentry and actually using guns on people.

    Technologies
    Rifles (Familiar)
    Shotguns (Familiar)
    Pistols (Familiar)

    Rotate-and-pull bolts (Practical)
    Straight-pull bolts (Practical)
    Aperture sights (Practical)
    Stripper clips (Practical)
    Lever-delayed blowback operation (Practical)
    Double-stack magazines (Practical)
    Single-action handguns (Practical)
    En bloc clips (Conceptual)
    Simple blowback operation (Conceptual)
    Short recoil operation (Conceptual)
    Toggle-delayed blowback operation (Conceptual)
    Blow forward operation (Conceptual)
    Simple blowback operation (Conceptual)
    Double-action pistols (Conceptual)
    Automatic revolvers (Conceptual)
     
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  • Informational
    • [X] interesting!

    [X] Automatic
    -[X] Common Calibre - Write In: 9x23mm Steyr

    Goes with our nice Not-Austrian one, the stripper-clip loader.
     
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    [X] interesting!

    Finally! Somebody who gets it!

    [X] Automatic
    -[X] Common Calibre - Write In: 9x23mm

    9mm works. Also the placement of the magazine would probably let us put bigger mags into it.
     
    Could we do something similar to the LeMat Revolver such as the version seen in west world? It would seem to fit both requirements with the power and reliability of the revolver with an extra in close punch from the shotgun.
     
    ltp15 said:
    Could we do something similar to the LeMat Revolver such as the version seen in west world? It would seem to fit both requirements with the power and reliability of the revolver with an extra in close punch from the shotgun.
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    There's two different vote options that have those included, the only difference between them is whether you want a regular revolver barrel or a six o'clock barrel.
     
    [X] interesting!

    [X] Write In: 6 o'clock barrel self-loading revolver, 8 round cylinder with a central shotgun cylinder.
    -[X] Common Calibre - Write In: 9mm Clark Long
     
    [X] interesting!

    [X] Automatic
    -[X] Common Calibre - Write In: 7.63 Katzen

    I want the Bergman for the very simple reason we can turn it into a machine pistol easily with detachable box mags. Stick a 25-round stick mag and a fore-end on it, and you'll have a nasty compartment clearer.

    ltp15 said:
    Could we do something similar to the LeMat Revolver such as the version seen in west world? It would seem to fit both requirements with the power and reliability of the revolver with an extra in close punch from the shotgun.
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    The Manassas sounds roughly like the LeMat already TBH.
     
    [X] interesting!

    I think we want to go for a semi-auto rather than a revolver in order to stuff as many bullets as we can in the thing to appease the Navy.

    Major factors I see in the cartridge: stopping power, physical size (for how many we can get in a magazine), how it's headspaced, and whether it's too powerful to use blowback operation.

    I think a proper rimless should be preferable over the semi-rimmed, though someone with more expertise can correct me. If that's the case, our options would be .380 ACP, 8mm Roth-Steyr (I'm guessing that's what's meant by 8mm in Vyborg Union), 7.65mm Luger, 9x23mm Largo, and 9x23mm Steyr.

    Edit: Also 7.63x25mm Mauser I think.

    Of those, I like the 8mm Roth-Steyr - it's the thinnest of the rounds, which would make it a touch easier to jam more in the magazine while still being relatively powerful.

    Someone who actually knows something about guns can explain why that's bad, though - I'm just reading Wikipedia.

    [X] Automatic
    [X] Common Calibre - Write In: Vyborg 8mm
     
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    FrangibleCover said:
    Is that 9mm Largo or 9mm Palten that you want?

    forums.sufficientvelocity.com

    Gunsmith Katsumi - Akitsukuni Arms Design Quest Original

    Akitsukuni, a nation not unlike late Meiji Japan, is flexing its imperial ambitions and needs modern firearms to compete with the Great Powers. It is an exciting time to be a firearms designer. You are Tachibana Katsumi. You work for an institutionally sexist country, in a tiny gun shop that...
    forums.sufficientvelocity.com forums.sufficientvelocity.com

    Reminder for everyone of the common calibres.
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    Palten-Werke; I'll edit.
     
    Eukie said:
    You say this as if the Steyr-Hahn 1911 wasn't excellent.



    The most widespread calibres in use are 7.65 mm Clark Short (.32 ACP) and 9 mm Kurz (.380 ACP), but among the Great Powers you can also find 7.6X mm calibres from Katzen (Mauser) and Dufek (Luger), 8 mm in the Vyborg Union, and 9 mm Clark Long (Browning Long), Largo, and Palten-Werke (Steyr). The most widespread revolver cartridge is 7.62 Wauters (Nagant), followed by .455 Wilkinson (Webley), various New Allegheny .38 calibre cartridges, and the Gallian Empire's 8 mm Ordnance round. Dufek is trying hard to market this new 9x19 mm round outside Europa, but it hasn't really taken off yet.
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    Woah, wait, the weird cartridge used specifically for the nagant revolver's gas seal system is the most common revolver round?
     
    googlyeyesultra said:
    [X] interesting!

    I think we want to go for a semi-auto rather than a revolver in order to stuff as many bullets as we can in the thing to appease the Navy.

    Major factors I see in the cartridge: stopping power, physical size (for how many we can get in a magazine), how it's headspaced, and whether it's too powerful to use blowback operation.

    I think a proper rimless should be preferable over the semi-rimmed, though someone with more expertise can correct me. If that's the case, our options would be .380 ACP, 8mm Roth-Steyr (I'm guessing that's what's meant by 8mm in Vyborg Union), 7.65mm Luger, 9x23mm Largo, and 9x23mm Steyr.

    Of those, I like the 8mm Roth-Steyr - it's the thinnest of the rounds, which would make it a touch easier to jam more in the magazine while still being relatively powerful.

    Someone who actually knows something about guns can explain why that's bad, though - I'm just reading Wikipedia.

    [X] Automatic
    -[X] Common Calibre - Write In: Vyborg 8mm
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    7.63 Katzen is 7.63x25mm Mauser which is rimless as well. Which to be honest I prefer not just because it fits better wrt Katsumi's philosophy and focus on small bore High velocity cartridges, but it gives us way more space in the cartridge than the 8x18 for the Roth-Krnka does if we want to go crazy later and make like 30 Tokarev +P for SMGs or something.
     
    [X] interesting!
    "Modern weapons should reflect their modernity, they should look like fast cars or airplanes!"
    He has told is in no uncertain terms what they want.
    [X] write in: double barrel automatic
    Airplanes have 2+ wings after all, it is known.

    And it would solve the problem of automatics being considered unreliable because now you have a second chamber! Just have the one magazine feed both barrels so it doesn't have to carry lots of ammo, to keep the weight down.
     
    Sarpedon said:
    7.63 Katzen is 7.63x25mm Mauser which is rimless as well. Which to be honest I prefer not just because it fits better wrt Katsumi's philosophy and focus on small bore High velocity cartridges, but it gives us way more space in the cartridge than the 8x18 for the Roth-Krnka does if we want to go crazy later and make like 30 Tokarev +P for SMGs or something.
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    Yeah, I just caught that. Converting the names back and forth is confusing.

    I still think I prefer the 8mm, to be honest largely for the reasons you don't like it. It's smaller, so we can jam more of it in a magazine, it's shorter which might make the action a little easier to make? and it's a heavier bullet, which I suspect the army might care about - we have to convince them to switch from their existing revolvers, and an almost-as-heavy projectile flying faster is something we should be able to sell. Navy guy did suggest that army wants a "big heavy bullet." And I'm kinda just focused on the pistol rather than some future SMG with the same round.

    Mauser is probably a reasonable option, though, I just like the 8mm more.
     
    sith1144 said:
    [X] write in: double barrel automatic
    Airplanes have 2+ wings after all, it is known.

    And it would solve the problem of automatics being considered unreliable because now you have a second chamber! Just have the one magazine feed both barrels so it doesn't have to carry lots of ammo, to keep the weight down.
    Click to expand...
    Click to shrink...

    And if we go double barrel, rather than duplicating the complete action, we could make it a gast gun! Which is obviously an excellent idea for a semi-auto hand gun.
     
    plotvitalnpc said:
    Woah, wait, the weird cartridge used specifically for the nagant revolver's gas seal system is the most common revolver round?
    Click to expand...
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    My money's on this being a matter of the most common revolver's round being the most common revolver round. The only major land power's army that uses a revolver as a service weapon is going to be a significant fraction of revolver use.

    sith1144 said:
    And it would solve the problem of automatics being considered unreliable because now you have a second chamber! Just have the one magazine feed both barrels so it doesn't have to carry lots of ammo, to keep the weight down.
    Click to expand...
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    An interesting way of getting into a double stack double feed magazine early, but a failure to extract will still jam, just do so with the round after next.

    googlyeyesultra said:
    I still think I prefer the 8mm, to be honest largely for the reasons you don't like it. It's smaller, so we can jam more of it in a magazine, it's shorter which might make the action a little easier to make? and it's a heavier bullet, which I suspect the army might care about - we have to convince them to switch from their existing revolvers, and an almost-as-heavy projectile flying faster is something we should be able to sell. Navy guy did suggest that army wants a "big heavy bullet." And I'm kinda just focused on the pistol rather than some future SMG with the same round.
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    Click to shrink...

    Agreed, room for growth is unutilized space, and Akitsukuni hands are probably going to be small, so we may as well get something with the size we use.
     
    [X] interesting!
    [X] Automatic
    [X] Common Calibre - Write In: Vyborg 8mm

    i would like to share a pieces of wisdom from a german infantry lieutenant in the great war, who said that in a close range firefight whoever reloads first loses. i'm voting for whatever gets us the most good-enough bullets in a magazine.
     
    xthetenth said:
    My money's on this being a matter of the most common revolver's round being the most common revolver round. The only major land power's army that uses a revolver as a service weapon is going to be a significant fraction of revolver use.
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    Fair point.
    Makes me think we'd actually have a hard time getting that kind of ammo, though.
    Caspia ain't exactly a friend of Akitsukuni, and there are probably few if any non-Caspians using it.
     
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