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| 送交者: jb007 2010月10月11日12:11:33 于 [世界军事论坛] 发送悄悄话 |
| 回 答: 美国父子用iPhone自制气球飞船升至3万米高空(组图) 由 太阳 于 2010-10-11 06:11:28 |
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1. Low temperature - 餐盒 to protect the equipment in low temp.
2. Up 30k meters in 102 minutes - 294 meters/minute. Not too extreme. 3. 30 Miles off from where it is up. - Reasonable in not high wind condition 4. Using iPhone GPS to find the landing device. - good idea. |
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