GrauGeist
Generalfeldmarschall zur Luftschiff Abteilung
A spent casing would be ejected during flight, the average speed of which was at least 300 mph, if that would add to the equation...
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It would only add if it was shot from an angle and therefore had a horizontal component to the velocity, it would change the acceleration so it wouldn't be 9.8
I have pics of the aircraft taken with a Yashika 35mm camera buried in my archives. I'll see if I can collect them and get them changed to digital. Yes, it was a trip into the past. I also found bits of the planes everywhere - direct hits by B-29s from Saipan that pasted the island every other day at 1100 and 1500 hours - including pitot tubes and such. I got various data plates as well. One was from a Zero tail wheel and another from a Betty engine gearbox cover. The tail wheel plate was brass but the others were aluminum. Most were from various components off the Zero engines. The aircraft data plates were typically painted onto the port aft empennage of the Japanese planes and all of them were weathered off over the 30-odd years when I saw them. All the plexi was gone from every plane as were the tires and other features the islanders found a use for. Just before I arrived a completely intact and undamaged Judy was found hidden amidst a think stand of bamboo with a 1000-lb bomb on a cart beneath it. Japanese officials came out and carefully removed it without disturbing the bomb and took it back to Japan for restoration to flying condition. A US Navy demolition team arrived, packed the bomb with plastique, buried it with dirt and then remotely exploded it. They did this several times during my 4 months there when UXBs were found - mostly American 250 and 500 pounders - and this did a lot of damage. A 20-lb bomb fragment from the Japanese bomb hit the tin roof of the hanger I worked in, burned through and landed on the floor where I had just previously had a Briton-Norman Islander parked. It was still hot when I arrived back at the hanger after the Navy's all clear was radioed to the evacuation town of Colonia. You had to wear some heavy boots when booney-stomping because of all the razor sharp bomb shrapnel littering the airfield surrounds. I counted 20 plus Zeros by doing that as they were mostly hidden in the jungle over-growth over the years. It was almost eery. I was 25 at the time and completely taken with it all. Anyway, I'll see about the pics.
Newton-Metres is the metric equivelent of Foot-Pounds.Good calculations and an interesting value for terminal velocity,
But you can't have a force in anything other than Newtons (or the USA equivalent) it can't be in N.m
The sooner you guys go completely metric the better life is sooo much more easy in SI units
Mythbusters did a show with a penny from a tall building which was found to have only a stinging effect.
Certainly couldnt smash bone.
They also did one with a bullet falling to earth under gravity.
Again not enough velocity to cause serious injury.
Myth busters is wrong about the bullet.
A bullet coming down to earth is extremely dangerous and will kill (documented by the LAPD and LASD in the 80's and 90's). If it hits anything, its most probably the head, which doesn't take much to receive dangerous injury.