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Signing UpStep 1Material list
1. Foil (of course)
2. Shoe and foot
3.Rubber mallet (better alternative to a shoe)
4.Hand with good grip
5.Super strong assistant(preferably a monkey) Hey! where'd he go!!
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z=no. of plates needed
y=no. of plates possible w/ 1 roll of foil
x=no. of rolls of foil needed
x / y = z
Given your legend, it should be z / y = x
Your understanding of rifle calibers is incredibly deficient. The .22 centerfire is probably the most common rifle round in the world.
Educate yourself, man.
It isn't even close to the smallest caliber round, though. Smallest commercial caliber was a .11, but it was never popular.
.17 is a somewhat popular caliber for varmint hunting, because you can get some very high speed (4000+ fps) rounds, though the .22 Remington is still more popular for the purpose.
cool idea for paintball armour too :) I admit I was originally thinking "what's aluminium armour going to stop?" but it's sure stop paintballs (or BB's for that matter... although they might embed)
my only criticism of your instructable is that a couple of the pictures could do with you using a flash (or take it outside during daylight)
oh yeah, and it's "Aluminium" not aluminum! silly americans! ;-)
before people jump on that, I know both spellings are considered appropriate, just nobody else in the world (especially not the scientific world) uses it.
In 1812, British editors further amended it to "Aluminium", and it remains the version the British use.
Thus, nobody uses the original word, but Americans use an older version than the English.
"Aluminium, for so we shall take the liberty of writing the word, in preference to aluminum, which has a less classical sound. ["Quarterly Review," 1812]"
Silly Brits, always gotta sound snooty even when a Brit coins a term.
(note: alumin... is what I used to not restart the debate up there about alumin(i)um foil)
The US and Canada both use the older* aluminum than the more recent British aluminium.
*Four years older is still older!