| Subject: | Re: jet engine |
|---|---|
| From: | "Sorcerer" |
| Date: | Sun, 31 Dec 2006 00:12:30 GMT |
| Newsgroups: | sci.physics |
"STUARTe" <jabluvs269@xxxxxxxxxxx> wrote in message news:1167512783.522554.13220@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | | Paul Cardinale wrote: | > STUARTe wrote: | > > a jet engine could be used to hold 1000 kilograms stationary 6 feet off | > > the ground. it would require a specific amount of horsepower to sustain | > > this situation. the question is: how much horsepower? | > | > Depends upon a number of factors including atmospheric consditions and | > the diameter. | > All the the power is expened accelerating a column of gas downward. | > The larger that column, the less power expended. | > | > Paul Cardinale | | i claim this can be solved by choosing an arbitrary value for the | exhaust velocity. | the website was a good one but it doesn't help solving this particu;ar | problem. So you realise Cardinale is a complete wit. Good. |
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