5:07 PM
@TIMFENNER Hello! Please write @wizzwizz4 or reply to my messages so I get notified of your messages.
I'm not particularly familiar with how classification agencies do things, but I'd expect them to only explicitly classify things when it's obvious that they're classified.
Otherwise you're basically holding up a sign saying "here's the secret, this is the bit you should reverse-engineer".
Who's this document aimed at, anyway? Buyers (hence marketing) or users (hence focus on those kinds of details)? (Given the classification of certain sections, I assume it's not for the weapon maintainers.)
This is a really sensible idea. It's probably possible to emit a rarefied superheated gas behind the bullet, to balance out the pressure, though it would make the weapon more dangerous to use.
Hang on… perhaps not that much more dangerous; about as dangerous as a jet of steam, probably, and with less damage from shockwaves.
Atmosphere scatters light, and absorbs enough energy that it'd quickly become plasma, which absorbs quite a lot of light, so if you're using the light-based momentum transfer system then you'd need to leave a tunnel through which the light can travel – thus shockwave. It would, however, let the bullet keep travelling at the same speed as it gained mass.
If you want no shockwave, then you could have it working like an ordinary jet engine, except really narrow-beam; so long as the Delta-Ten can absorb a high-pressure jet stream of compressed gas, it'd be not much louder than a blow-dart (if you wave your hands over it a bit and say that "dampening" is also involved).
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