Deleted
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Post by Deleted on Jan 6, 2019 19:57:08 GMT
Something of a non event, the BMJ paid for this study which should have been self evident.
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Post by ChrisM on Jan 7, 2019 7:54:17 GMT
I think you have posted the wrong link, you may wish to correct it ASAP........
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Post by LandieMark on Jan 7, 2019 9:25:10 GMT
I’ve removed the link as it was the root directory to your OneDrive rather than the document you were referring to.
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Deleted
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Post by Deleted on Jan 7, 2019 10:56:11 GMT
It is supposed to be the public section of the drive but never mind. Basically they studied a simulation on whether it was better to jump out of an aircraft with a parachute or an empty parachute bag. Thing is the study was done with the aircraft on the ground and not moving. The result states that there is no benefit from having a parachute when jumping out of an aircraft.
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Post by Bob Sacamano v2.0 on Jan 7, 2019 11:21:17 GMT
It is supposed to be the public section of the drive but never mind. Basically they studied a simulation on whether it was better to jump out of an aircraft with a parachute or an empty parachute bag. Thing is the study was done with the aircraft on the ground and not moving. The result states that there is no benefit from having a parachute when jumping out of an aircraft. I Googled it and read it. Quite clever in the point it was making. |
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Post by ChrisM on Jan 7, 2019 13:44:18 GMT
Indeed ....  " Compared with individuals screened but not enrolled, participants included in the study were on aircraft at significantly lower altitude (mean of 0.6 m for participants v mean of 9146 m for non-participants; P<0.001) and lower velocity " So if you jump from a plane at an altitude of 0.6m, you don't have any benefit from using a parachute compared to people flying at 9146m ! Perhaps unsurprisingly, this is a gem from the report: "Among the 12 participants randomized to the intervention arm, the parachute did not deploy in all 12 (100%) owing to the short duration and altitude of falls." |
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