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'[OT] Re: Speedometer Project'
> We were talking about changing scales when inside US embassies, Sean.
>Not on mountaintops or in inclement weather, we were talking indoors.
Oh, sorry, I missed that. Why Mach number or parsecs/sec <G> then? Is there
something more American about those units?!
> Besides, we should really be driving just outside the eye, and we
>REALLY need a pitot tube if we're trying to measure AIR speed instead of
>ground speed, folks; the eye of a hurricane has fairly calm air...
I realize that the eye of a hurricane has very calm air, but I thought that
it also had the lowest pressure in the hurricane(the hurricane is sucking
air out of its center and pushing toward the outside, then coriolis force
yields the rotation). I believe that pressure differences give you unstable
air, low pressure is not enough (think of a regular storm, the rain, etc.
is at the front, on either side of it, its calm).
Pitot tube is a good call, though <G>.
OT has been duely added ;-)
| Sean Breheny |
| Amateur Radio Callsign: KA3YXM|
| Electrical Engineering Student|
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Sean Breheny wrote:
> > We were talking about changing scales when inside US embassies, Sean.
> >Not on mountaintops or in inclement weather, we were talking indoors.
> Oh, sorry, I missed that. Why Mach number or parsecs/sec <G> then? Is there
> something more American about those units?!
More American, No.
More humorous, -hopefully-, as they're, ah, pretty large units of
velocity measure? (0.3E-12 AU/Sec is a pretty fast velocity, Sean! <G>)
You're right on the low pressure, the pitot tube'd handle that (well,
the static port that goes with it should. Whatever. This headache's
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