Gather feedback on ideas and inventions that you plan to market yourself, or find partners for further development. Remember that anyone can read your post, so don't disclose any confidential information about your project.
By MrEase
#4576
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Simply pull a cord on a specially designed jump suit that instantly air inflates fully (as a life jacket) with a collar that blows out that encapsulate the head.
By Rishi
#4584
The idea seems to be to reduce the free fall velocity to a safe level. If one assumes that a terminal velocity of, say, 16 feet/sec is acceptable, it is a simple mater to calculate the surface area required to achieve this velocity for a 200 lb person plus another 30 lbs for the suit and gas cylinder.

The problem is that this may be fairly large and will require a very large suit. The idea is interesting. One can design a couple of ribbed 'wings' sprouting out on the sides of the suit (slightly swept back to give stability in free fall), which also get inflated. Such a design will give a large drag area without too much volume so that a manageable light weight compressed air cylinder can be attached to the suit.

Rishi
By MrEase
#4614
Better yet...instead of an air filled bag I think that a helium filled bag would slow the velocity thereby easing the impact by bouncing and rolling to a stop.

An auto-inflate helium filled light weight bag from a pressurized canaster might be the way to go! [/b]
By Rishi
#4616
It requires 14 cubic feet of Helium to provide a lift of 1 lb. So there will not be much gained by replacing air by Helium unless the suit volume is very large. A large surface area would be a cheaper and manageable option for slowing the fall.

Rishi
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