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Oct 22, 2019 at 22:42 comment added Volker Siegel @AviCherry Good point!
Oct 22, 2019 at 22:30 comment added Avi Cherry @VolkerSiegel Those joints have only a single axis of motion and are not used used at the knees because they do not provide the necessarily freedom of movement to walk. The knee joints use a flexible material instead.
Oct 22, 2019 at 20:04 comment added llywrch Sounds similar to how one stops a tank without access to armor-piercing firearms or explosives. (Given enough explosives, you could build an IED that would stop an armored infantryman.)
Oct 22, 2019 at 14:46 comment added Demigan @T.J.L. because those positions are more rarely used and for shorter periods of time and that you could still sow flaps across the joints at both ends to keep the flaps in place. Just imagine someone lifting their arms while getting shot at. Is that a reasonable moment to wait for? How likely is it to happen that someone lifts their arms, aside from climbing up on something (under fire?) Or when surrendering (dick move to shoot then)? And would you really shoot at joints that are supposed to move around and be some of the hardest targets you can aim for?
Oct 22, 2019 at 14:16 comment added T.J.L. @Demigan How is gravity relevant? Are you saying people never lift their arms or squat in this armor ("down" becomes "up" at other angles)?
Oct 22, 2019 at 14:03 comment added Demigan Wouldnt they make seals that have openings that go "up" in the armor, meaning that nothing leaks in through gravity? Basically all you would need is a flame-retardant piece of cloth with a zipper over the joint. Even a loose flap (say Kevlar) that is sown to the armor above the joint and uses gravity to stay over the joint would offer enough protection. Especially considering what a large caliber round would do against even an armored joint there is little reason to be using burning or hot liquids.
Oct 21, 2019 at 16:50 vote accept Seraphim
Oct 21, 2019 at 16:50
Oct 21, 2019 at 12:34 comment added UKMonkey Of course - the better option might be to keep the viscous liquid; and just try and cook the person in the suit, and ignore the joints.
Oct 21, 2019 at 12:23 comment added UKMonkey The problem with a viscus, sticky liquid; is that it won't drip through small cracks; the surface tension will keep it out. Go the other direction. Burning oil. This is very much NOT sticky or viscus, and as such will flow easily through the joints.
Oct 21, 2019 at 7:07 comment added Volker Siegel Regarding flexible joints of the suit: Look at the current prototype space suit for Mars: They have easily rotating joints, seems to work impressively well.
Oct 20, 2019 at 23:26 history answered Tim B II CC BY-SA 4.0