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re: Is there any strategy to survive a fall into water from a great height?
Posted on 1/2/18 at 5:49 pm to slackster
Posted on 1/2/18 at 5:49 pm to slackster
quote:
The sudden stop is the problem
quote:
The longer you can slow down your momentum, the better.
So you're saying, If I jump out of a plane, but I can find some way of slowly falling, I may survive?
3
Posted on 1/2/18 at 5:51 pm to slackster
In one case you have a lot more time to dread hitting the ground/water
Posted on 1/2/18 at 5:57 pm to Scooba
quote:
So you're saying, If I jump out of a plane, but I can find some way of slowly falling, I may survive?
, precisely. Posted on 1/2/18 at 5:58 pm to gthog61
quote:
In one case you have a lot more time to dread hitting the ground/water
, true. 
Posted on 1/2/18 at 5:59 pm to TDcline
quote:
Cross your legs so the water doesn’t shoot into your a-hole and damage your internal organs.
Serious thing they teach in the Marines.
Navy too. When I was in NROTC we all had to jump into a pool from a 10 meter Olympic diving platform. It was one of several "abandon ship" exercises we did.
Legs tightly crossed and toes pointed. Arms folded across the chest with one hand pinching your nose shut. The key thing was to look straight forward as you walk off the platform - if you look down (like just about everyone did the first few times) your body will rotate and you do more of a belly flop than a clean entry. Hurts like a MF too. But once you get it down it isn't too bad. Literally you walk forward just as if the platform were still below you, looking straight ahead the whole way.
Here is a video of someone doing it not *quite* right on a 10 meter platform. LINK It's safe to click, it doesn't actually look all that bad. But he shows you the bruises after.
And that isn't even 35 feet. People who do serious high dives (like 100 feet and above) have to enter the water exactly right or they can be seriously injured.
This post was edited on 1/2/18 at 6:03 pm
Posted on 1/2/18 at 6:00 pm to Winston Cup
quote:
you need something large to hit the water just before you to break the surface tension. otherwise it will be like hitting concrete.
So cock first. Got it.
Posted on 1/2/18 at 6:03 pm to weagle99
This is why I never leave home without my parachute.
Posted on 1/2/18 at 6:10 pm to biglego
I remember watching the high dive challengess on Wide World of Sports.
The divers would jump from over 170 ft into a tank at Sea World. They would do a summersault on the way down, but land feet first with their arms tight, of course.
Water was continuously sprayed at the impact point to break up the surface tension. They didn't do that because it looked cool.
The divers would jump from over 170 ft into a tank at Sea World. They would do a summersault on the way down, but land feet first with their arms tight, of course.
Water was continuously sprayed at the impact point to break up the surface tension. They didn't do that because it looked cool.
Posted on 1/2/18 at 6:32 pm to weagle99
Have your spleen removed first. Thats usually what organ is the first to burst.
Posted on 1/2/18 at 6:37 pm to jeffsdad
quote:
Have your spleen removed first. Thats usually what organ is the first to burst.
Not gonna do you much good when your aorta rips.
Posted on 1/2/18 at 6:40 pm to weagle99
You can survive a pretty high fall into water. It’s trying to swim with shattered arms and/or legs that gets you.
Posted on 1/2/18 at 6:42 pm to weagle99
Parachute
Posted on 1/2/18 at 6:42 pm to slackster
quote:
There's actually no discernible difference in falling 1500 feet or 15000 feet.
Maybe not, but I’d imagine there’s a big difference between ~175 feet (I10 bridge) and 1500+. I’m curious at what height you would typically expect to reach terminal velocity.
If we assume “great heights” means high enough to reach terminal velocity, then I guess your strategy would be:
1. Minimize velocity during free fall by spreading your arms/legs and facing the ground.
2. Minimize the impact area by getting into the feet-down-arms-crossed survival posture that’s been mentioned, at the last possible second.
3. Maximize deceleration time by holding that position as long as possible.
4. ??
5. Profit
But something tells me that getting the timing right for the “dive” part would be tough when you’re barreling toward the water at 120 mph. Not to mention that “survival” also implies you don’t drown.
Posted on 1/2/18 at 6:43 pm to weagle99
Throw something first to break the water tension.
Posted on 1/2/18 at 6:46 pm to biglego
It’s true. I saw it on myth busters once.
Posted on 1/2/18 at 6:50 pm to weagle99
Well, if you are planning to jump from the bridge, this conversation is pointless. Should you survive, fifty or so road-raged hillbillies caught in the ensuing traffic jam are going to kill you anyway.
Posted on 1/2/18 at 6:54 pm to weagle99
Seen 3 guys go off flint deck of carrier....
1 feet first no injuries
2 head first - the never found him
33 side ways........lived but was hurt bad
110 feet
1 feet first no injuries
2 head first - the never found him
33 side ways........lived but was hurt bad
110 feet
Posted on 1/2/18 at 6:56 pm to TigerCoon
quote:
Water was continuously sprayed at the impact point to break up the surface tension. They didn't do that because it looked cool.
Surface tension is not the issue. It's the massive amount of water your body needs to displace.
Spraying water at the impact point probably gave them a way to see the impact point.
Posted on 1/2/18 at 6:57 pm to weagle99
from a great height it is like hitting concrete. So if you know how to dive into concrete you got it licked.
I would recommend hitting back first as flat as possible to spread out the impact across as many broken bones as possible. Try not to ram a rib through your heart, or smash your skull. It would be nice to not ram your legs all the way up through your shoulders, too.
I would recommend hitting back first as flat as possible to spread out the impact across as many broken bones as possible. Try not to ram a rib through your heart, or smash your skull. It would be nice to not ram your legs all the way up through your shoulders, too.
Posted on 1/2/18 at 6:59 pm to Scooba
quote:
So you're saying, If I jump out of a plane, but I can find some way of slowly falling, I may survive?
it's happened before
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