MET - Lidar & Telltale |
MET - Lidar & Telltale |
May 30 2008, 04:54 AM
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#1
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Senior Member Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 |
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Guest_Oersted_* |
Jun 8 2008, 10:38 PM
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#2
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Guests |
You're welcome!
I just did a back-of-the-envelope calculation that I can hardly believe: If we imagined scaling up the kapton cylinder to the size of the famous NASA Vehicle Assemble Building, the VAB, at Cape Kennedy, it would weigh..... 0.0016 kilograms, equal to 0.0564383 ounce!!! I am calculating with the cylinder being 1 cm. long. The VAB is 160 meters high. Could somebody try to check my result, as I said I can hardly believe it myself... |
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Jun 8 2008, 10:45 PM
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#3
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
Could somebody try to check my result, as I said I can hardly believe it myself... I think you need to cube the scale size to get the mass difference, I get 410 tons for a scaled up version the height of VAB. This, of course, holds only if you scale it in all 3 dimensions equally. If you're only lengthening it, then your result holds. -------------------- |
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Guest_Oersted_* |
Jun 9 2008, 09:27 AM
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#4
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Guests |
I think you need to cube the scale size to get the mass difference, I get 410 tons for a scaled up version the height of VAB. This, of course, holds only if you scale it in all 3 dimensions equally. If you're only lengthening it, then your result holds. No, no, you're right, it should be scaled in all three dimensions. 410 tons? - That's a lot, what was your calculation, if I may ask? I'm a mathematically useless "humanist" myself.... But afflicted with a passion for the natural sciences... |
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Jun 9 2008, 10:46 AM
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#5
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
410 tons? - That's a lot, what was your calculation, if I may ask? I used the mass of the telltale: 0.0001 g and multiplied it by the (160/0.01)^3. That gives the above result. Seems a bit too much for me, too. For a fun comparison, I found out that the dry weight of a Saturn V is 250 tons. -------------------- |
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