h a l f b a k e r yWhy on earth would you want that many gazelles anyway?
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This is a skydiving service where the users will not need a parachute. The service is based on a special purpose drone including a central platform to transport the user. The drone takes the skydiver up to jump altitude and after the skydiver jumps it will fly past the person and track the dive from
below. When the skydiver reaches a certain altitude the drone positions itself under the skydiver, matches the fall velocity and approaches the skydiver so that the person can land on the drone's central platform and safely secure herself to it. The drone will then gently de-accelerate until it reaches the ground. It will obviously include multiple cameras to record the experience from an equal number of angles.
Disclaimer: although the drone is perfectly safe and will be tested with chimpanzees until a perfect record is achieved (RIP volunteer chimpanzees), it will be recommended that the client jumps with a standard parachute to safeguard for any, surely highly remote, possibility of drone malfunction.
No Drone Needed
http://www.independ...ornia-a7164716.html
Skydiving without a parachute has already been done (into a big net). Obviously there was a leap of faith that the skydiver would actually encounter the net.... [Vernon, Mar 10 2018]
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We think this is excellent, and wish to volunteer [MaxwellBuchanan] as the test pilot. Once he has proved out the system, then - and only then - you can start using chimpanzees. |
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We are, in fairly general terms, not in favour of causing unnecessary suffering to sentient creatures. |
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I recommend a fleet of smaller drones with a net for
redundancy and availability. |
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How large of a drone would a single lifter have to be to
carry itself, fuel supply, and non-optimally placed
passenger caught in a random orientation? |
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I wholeheartedly accept [8th]'s kind offer to pay for my
skydiving. It is remarkably generous of him, especially
considering that I wagered his house on the outcome of the
5th Triannual Mavis Knopff-Bladder Cross-country Badminton
Hurdles. It's very difficult to resist 800:1 odds |
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Actually, thinking about it, this has sort of been done
numerous times. A popular stunt at some DZs is to exit the
plane at 12,000ft, after which the plane goes into a near-
vertical dive, keeping pace with the skydiver, who then
hauls themselves back into the plane. |
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The only videos I can find online (Google "plane to plane
skydive") use a drogue chute to slow the diving plane, but
it's been done without. |
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[8th] , we at Leap of Faith Skydiving are thrilled at the prospect of using volunteer(ed) human test subjects! This is a whole new avenue we can explore, especially since the price of chimps has gone sky high in the last 12 months. Let's not stop here though. Maybe there are in-laws available, possibly a wife? I mean, who wouldn't want to take part of this exciting entrepreneurial opportunity?! I would just ask that you carefully fill out our form, especially the checkbox where it says if the test subject needs to be sedated. |
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Dear [Max], first of all let me tell you how excited we are to have you with us! Hopefully you'll be around for many, many test flights. If not, well, your name will be forever remembered in our company. |
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Second, let me address the point you make about the fact that re-entering a standard plane mid-flight has already been done. You could also argue that jumping without a parachute and landing on a net has already been done. However, that's not what we are proposing. Have you ever re-entered a plane mid-flight? I can't say I have myself but I've seen the videos. It's a hassle! Totally cumbersome! And the option of diving into a massive net from 12,000 feet? That's not exactly for beginners, is it? And it's not like the net is going to be following you around. For that you have one opportunity, you better not fail. That is exceedingly more dangerous than what our drone will be able to do. |
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// are thrilled at the prospect of using volunteer(ed) human test subjects! // |
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// This is a whole new avenue we can explore, especially since the price of chimps has gone sky high in the last 12 months. // |
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// Let's not stop here though. Maybe there are in-laws available, possibly a wife? // |
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The possibilities are unlimited... |
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// I mean, who wouldn't want to take part of this exciting entrepreneurial opportunity?! // |
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We think you actually mean, "who wouldn't want someone else to take part of this exciting entrepreneurial opportunity?! " |
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// I would just ask that you carefully fill out our form, // |
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Sp. "I would just ask that our form is carefully filled out ..." |
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// especially the checkbox where it says if the test subject needs to be sedated. // |
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It's all a matter of phraseology. "Please check the box if you do not wish to receive any futher marketing communications from us or our carefully selected partners, do not want you name or details passed to any third party, and refuse permission for us not to inject your nominated tester with large amounts of prescription sedatives". |
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It's all in the wording .... |
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[Ray], that's a fantastic idea! I'll have the math guys crunch the numbers, see how your approach stands against our model. The only thing is that our marketing team wants to stay away from nets. People get tangled in nets and there is also possibility that they will have a subconscious feeling that they are being treated as a fish. But still, excellent idea. We'll come back to you! |
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Just a possibly, but during the initial testing phase, will there be an opportunity for pushing sedated humans out of aircraft without a parachute ? |
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If we supply the aircraft, the sedated human, and the lack of parachute, can we participate ? No charge to you. |
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In fact, we will pay to be part of the trial. Cash money, up front. |
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Oh, and, er cats ? Could we nominate cats as candidate skydivers ? Just a few. Well, a few dozen. Or maybe more ... |
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If we strap a cat to the skydiver in the correct
orientation, he should be facing the right way when
the drone(s) catch him. |
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If you're going to have a fleet of drones in net
carrying formation, you might as well have another
separate few for the lifting job. |
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//gently de-accelerate until it reaches the ground// |
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Why reach the ground? just juggle the human in mid air until his or her wallet is empty or the safety word is spoken. |
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[8th] I love how your brain works! I'll have my lawyers contact yours and we'll carry on from there. Regarding the cats tough, I don't think it will be possible unless they are sedated, which I suspect would defeat at least 80% of your proposal's goals. cats are extremely erratic and there's a high probability that they would run out of the platform after the first landing. This would force the drone to catch the cat again, which would result in the panicked cat jumping of the platform again and so on, in a cycle which would end with the drone running out of fuel and crashing. Hopefully on top of the cat. |
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[wjt] I know that business model is a well tried one which has worked wonders for the Mafia and other similar organizations, but we were thinking more on the line of having our clients acquire our service on a voluntary basis (after the trials, that is). Your proposal would work well for the first customer but somehow I don't think we would be getting many more after that one. |
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Hi [Vernon]. I'm aware of that jump, one which I mentioned before, but you'll recognize that what we are proposing is not to be the first company to offer a the possibility of skydiving without a parachute. What we are offering is a convenient and safe way to do it which doesn't require decades of experience of the skydiver. The service includes the mentioned drone, which does not exist as of yet with the functionalities we are proposing. |
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I wonder how much energy it would take to pump enough
air bubbles into a square kilometre of ocean to make it
possible to survive a landing at terminal velocity?
Apparently, a 76mph impact with ordinary water is
survivable (presumably, as long as you go in pointy-end
first). So 120mph into heavily aerated water ought to be
OK. Of course, 120mph applies to a spread position, which
is not good for landing; you'd have to adopt a head-down
position in the last second or so before impacting the water. |
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That's more or less what I got. What size envelope-back are
you running? |
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If you’re going to do that, then why not have a sea drone
that maintains position directly under the skydiver and
creates a huge jet of water upwards in which the skydiver
dives. |
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Come to think of it, why simply skydive? Why not be
thrown around like a ball as subject to the whimsy of
a programmed net fleet of drones, who play catch
with you flying between end points? |
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I have to admit that is a brilliant idea, [Ray]. Awful business case, but... hold on a second! I think there is actually an awesome business case for that! Let's see, and please bear with me, this may take a while. China! Xi Jinping has moved his chessboard pieces to change the constitution to remain in his seat for the rest of his life. So he can do freakin' everything! Next, which country has the absolute biggest love affair with betting?! Ok, so maybe it is the UK, but let's say China. And, which country in the world executes more prisoners per year?! C-H-I-N-A!!! (that was 1,551+ in 2017, for your reference). By now you are probably way ahead of me. Yes! We could setup [Ray]'s proposal in China where, instead of a service (I can't honestly think of anyone who would willingly submit to the treatment kindly proposed by [Ray]), it would be a form of Russian roulette where people would be allowed to bet on which minute the well fed convict would throw up, soil their pants, die of heart attack or which drone would let the prisoner slip through its claws into death by sudden deceleration. Punters would get info on the convict's personality, health stats, family health info and other meaningless data. |
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Interesting idea [Max]. But wouldn't reducing water resistance that way result in the skydiver being converted into a extremely deep diver? What kind of depth would the skydiver reach after landing? Terminal velocity is 200km/h on belly down position, but as previously discussed the skydiver would have to shift to a feet first position. So let's say the speed on impact could be 250 km/h. If we aimed at a 5G deceleration, the skydiver would reach full stop at a depth of 49 meters. That's still a bit of a stretch to come up for air. Maybe with an inflatable bladder embedded in the suit and a bottle of compressed air we could speed the ascension but the skydivers would have to make due with whatever air they had in their lungs. Inhaling compressed air at that depth and making an emergency ascent would not be very healthy. |
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Well, people have survived chuteless landings into
snowdrifts, trees and (quite recently) a ploughed field. In
fact a bloke I know "went in" twice. So, deceleration over
a few metres ought to be OK. |
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In fact, aerated water would work rather well: the
bubbles will expand as they approach the surface, which
means that deceleration will start gently and then get
harder. Given that kinetic energy is proportional to the
square of speed, this means that the energy dissipation
will be roughly uniform throughout the deceleration,
which is as good as it gets. |
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// a bloke I know "went in" twice. // |
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You might perhaps want to rephrase that; after all, this is a public forum, and children, impressionable young marmosets, and sensetive and easily shocked Royal Marines may read this ... |
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"Going in" is the rather jolly phrase used by skydivers for the
process of landing - usually against one's will - without the
assistance of a functional parachute or other
accoutrements. |
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