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Post by ironhold on Jan 3, 2019 5:57:06 GMT
*spoilers ahead*
Duct Tape Parachute - No small-scale on this one? It's possible that they did one and it was cut for time, but for something like this there's usually a small-scale.
Duct Tape Tires - I'm thinking it's more "Plausible" than "Confirmed", as Adam's run at it showed that the duct tape tires will fall apart under conditions that regular tires would likely survive.
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Post by GTCGreg on Jan 3, 2019 6:29:34 GMT
The myth was to see if duct tape tires would work at all, not if they were as good as real tires. They worked just fine under careful driving conditions. Adam wanted to push them to their limit to see just what that limit was. Even many of the temporary "donut" tires that come with new cars have 55mph speed limits on them. I agree with their conclusion of "Confirmed" that you can make a temporary emergency use tire out of duct tape.
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Post by the light works on Jan 3, 2019 6:30:01 GMT
*spoilers ahead* Duct Tape Parachute - No small-scale on this one? It's possible that they did one and it was cut for time, but for something like this there's usually a small-scale. Duct Tape Tires - I'm thinking it's more "Plausible" than "Confirmed", as Adam's run at it showed that the duct tape tires will fall apart under conditions that regular tires would likely survive. I think small scale on a duct tape parachute would be impossible due to the thickness of the tape. as a critique: and a minimum spoiler review for those overseas: yes, they put a 12 year old behind the wheel of a car, so driving myths are doable. yes, they had the kids doing actual fabrication work, actual tech work, and actual engineering. I think the results they got in both tests were valid. they could have tweaked one of the tests to get a better result, while I think their final analysis of the other test was completely valid. those who have seen the show will know which is which, and I will leave things as they are so as not to spoil the joy for those on the other side of the pond. |
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Post by WhutScreenName on Jan 24, 2019 21:14:33 GMT
***SPOILER *** DO NOT PROCEED IF YOU HAVE NOT SEEN THE EPISODE YET ***
While I think the parachute myth was tested properly by matching the duct tape (or duck tape) to the control, I feel the result COULD have been different if there had been a live person under it, helping control the drag etc... I understand there is no feasible way to test this, but give the choice of nothing, or a parachute made from tape, I'll take the tape any day!
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Post by the light works on Jan 25, 2019 3:14:13 GMT
***SPOILER *** DO NOT PROCEED IF YOU HAVE NOT SEEN THE EPISODE YET *** While I think the parachute myth was tested properly by matching the duct tape (or duck tape) to the control, I feel the result COULD have been different if there had been a live person under it, helping control the drag etc... I understand there is no feasible way to test this, but give the choice of nothing, or a parachute made from tape, I'll take the tape any day! there may have been ways to solve the problem, but as Adam explained, there was a weight issue involved. |
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Post by GTCGreg on Jan 25, 2019 3:27:10 GMT
I agree with TLW. With a little fine tuning, they could have gotten the chute to work.
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Post by the light works on Jan 25, 2019 3:34:32 GMT
I agree with TLW. With a little fine tuning, they could have gotten the chute to work. I was thinking it would take a lot of fine tuning. |
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Post by GTCGreg on Jan 25, 2019 3:40:42 GMT
I agree with TLW. With a little fine tuning, they could have gotten the chute to work. I was thinking it would take a lot of fine tuning. A calmer day and it may have worked fine. |
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Post by the light works on Jan 25, 2019 3:59:21 GMT
I was thinking it would take a lot of fine tuning. A calmer day and it may have worked fine. I don't think so. I made paper parachutes for a play, and if the parachute isn't just right, it is unstable in flight. with the paper chutes, it wasn't critical, because they were light and stiff. the duct tape chute suffered failures, because it was flexible enough to deform when its inherent instability turned it on its side. - it was actually an issue with the very first parachutes, too. |
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Post by GTCGreg on Jan 25, 2019 4:23:16 GMT
A calmer day and it may have worked fine. I don't think so. I made paper parachutes for a play, and if the parachute isn't just right, it is unstable in flight. with the paper chutes, it wasn't critical, because they were light and stiff. the duct tape chute suffered failures, because it was flexible enough to deform when its inherent instability turned it on its side. - it was actually an issue with the very first parachutes, too. I'm sure you're right. I have little (as in no) experience building chutes. |
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Post by WhutScreenName on Jan 25, 2019 13:55:30 GMT
The weight was said to be an issue. They also went above and beyond by adding the extra vents in. From what I saw and my lack of knowledge/experience with chutes, they did what they could to make it as best a chance as possible. I also liked that they did the control first to show how an actual parachute works. When the real one works, and the duct tape one (with added vents) still fails, it's clear it's not going to be confirmed.
My only thought was that, if they had handles and a live person (something that, for safety isn't possible), they might have been able to compensate and live through the ordeal, even if they received a broken bone...
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Post by GTCGreg on Jan 25, 2019 16:21:26 GMT
I wonder if a professional parachute designer and builder could build a working chute out of duct tape. Keep in mind that their duct chute was designed and built by someone that had never built any type of parachute before.
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Post by the light works on Jan 25, 2019 16:30:09 GMT
The weight was said to be an issue. They also went above and beyond by adding the extra vents in. From what I saw and my lack of knowledge/experience with chutes, they did what they could to make it as best a chance as possible. I also liked that they did the control first to show how an actual parachute works. When the real one works, and the duct tape one (with added vents) still fails, it's clear it's not going to be confirmed. My only thought was that, if they had handles and a live person (something that, for safety isn't possible), they might have been able to compensate and live through the ordeal, even if they received a broken bone... round chutes are not very controllable, and as far as I know, don't have steering toggles. there is rudimentary control possible by tugging on the risers, which spills air out one side or another - but one thing I learned from wasting time reading about parachute history, is that the parachute swinging like that is usually a result of insufficient venting. it is also possible that having the load weigh too little compared to the weight of the parachute could cause swinging. I wouldn't object to them spending another day fine tuning to get their best possible result, but I'm not the one paying for the chopper. |
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