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Mr. Clean magic trench eraser (slrpnk.net)
submitted 5 months ago* (last edited 5 months ago) by [email protected] to c/[email protected]
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Sorry forgot to crop the photo - fixed

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[-] [email protected] 12 points 5 months ago

Can someone calculate max theoretical thrust from firing these?

[-] [email protected] 29 points 5 months ago* (last edited 5 months ago)

https://what-if.xkcd.com/21/

For an AK47 it'd be 57.2N, so probably a bit less times 88, totalling something below 5000N or so for the ejected bullets, plus 30% for gas n stuff.

I highly recommend the xkcd in any case.

this post was submitted on 25 Jan 2024
261 points (98.9% liked)

NonCredibleDefense

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