| Subject: | Re: jet engine |
|---|---|
| From: | "Greg Neill" |
| Date: | Sat, 30 Dec 2006 18:21:34 -0500 |
| 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 go ahead and show how. And see if you can't find the shift key on your keyboard while you're at it. |
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