Postmortal_Pop@lemmy.world to No Stupid Questions@lemmy.world · 10 days agoCan you scale down a firearm to make an identical looking firearm that fires a different round?message-squaremessage-square19fedilinkarrow-up141arrow-down13file-text
arrow-up138arrow-down1message-squareCan you scale down a firearm to make an identical looking firearm that fires a different round?Postmortal_Pop@lemmy.world to No Stupid Questions@lemmy.world · 10 days agomessage-square19fedilinkfile-text
Like, could you make a smaller version of a 1911 that fires 22lr instead of .45 by just scaling all the parts to the 22lr?
minus-squaredeegeese@sopuli.xyzlinkfedilinkarrow-up46arrow-down1·10 days agoShort answer no, not everything scales linearly. You’d have 1/8th the powder charge in a chamber with 1/8th the volume, encased by a barrel 1/2 as thick to contain the same pressure as the full size one.
minus-squareneidu3@sh.itjust.workslinkfedilinkEnglisharrow-up22·10 days agoYup, square cube law applies here as well.
Short answer no, not everything scales linearly.
You’d have 1/8th the powder charge in a chamber with 1/8th the volume, encased by a barrel 1/2 as thick to contain the same pressure as the full size one.
Yup, square cube law applies here as well.