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<blockquote data-quote="FrigidFTSup" data-source="post: 2551462" data-attributes="member: 58894"><p>Difference with Von Braun is that rockets can scale. Airships are restricted by a number of factors. </p><p></p><p>They don't do well in the wind for one. At 45,000 feet they will be above the tropopause which will get them out of the jet stream and all but the biggest summer storms, but they still have to go through it.</p><p></p><p>Second is lack of lifting ability. To put it in perspective the Hindenburg was 800 feet long and had an internal volume of 7,000,000 cubic feet, but only had the capability of lifting a usable payload of 12 tons or so. With 100 tons of gas for a 3 day trip. Granted fuel efficiency has increased. But if it's going to stay up there, even just being buoyant, it needs some way to power itself.</p><p></p><p>Airships are rare for a reason.</p></blockquote><p></p>
[QUOTE="FrigidFTSup, post: 2551462, member: 58894"] Difference with Von Braun is that rockets can scale. Airships are restricted by a number of factors. They don't do well in the wind for one. At 45,000 feet they will be above the tropopause which will get them out of the jet stream and all but the biggest summer storms, but they still have to go through it. Second is lack of lifting ability. To put it in perspective the Hindenburg was 800 feet long and had an internal volume of 7,000,000 cubic feet, but only had the capability of lifting a usable payload of 12 tons or so. With 100 tons of gas for a 3 day trip. Granted fuel efficiency has increased. But if it's going to stay up there, even just being buoyant, it needs some way to power itself. Airships are rare for a reason. [/QUOTE]
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