[B5JMS] How do the recorders float?

b5jms-admin at cs.columbia.edu b5jms-admin at cs.columbia.edu
Sat Apr 14 04:25:05 EDT 2001

From: Shaman <shaman at eskimo.com>
Date: 13 Apr 2001 04:27:25 -0700
Lines: 32

On 21 Mar 2001 09:43:56 -0700, hennebry at web.cs.ndsu.nodak.edu (Mike
Hennebry) wrote:

>In article <3AB0FC0F.C1ACEC26 at mailbox.bellatlantic.net>,
>John W. Kennedy <jwkenne at attglobal.net> wrote:
>>Mike Hennebry wrote:
>>> Then they must be extremely light.
>>> They're not hovercraft, they're helicopters.  Hovercraft are ground-
>>> effect vehicles.  The recorders were much too high for that.
>>I had a similar toy when I was a kid.  You could probably create a
>>working model right now, though it would cost too much to be effective
>>for ordinary purposes.
>I wasn't suggesting it couldn't be done.  A heavy device would have
>to blow an annoying amount of air.  Supposing that the propulsion
>system was weightless, it would still have to blow enough air to
>support the on-board camera.
>BTW though they're better at it than fixed-wing aircraft, helicopters
>can't really hover very long.  After a helicopter hovers for a while,
>it creates its own downdraft and needs to move around a bit.

It seems to me that one would use a thruster technology and not
old-fashioned rotors.  You simply compress the air and squirt it
out discrete jets.  This would also make it possible to instantly
reverse the flow through a set on the other side if it accidently
got flipped over.  It would also make the engine lighter than a
rotor which requires coiling and other ancient (20th century)

From: jmsatb5 at aol.com (Jms at B5)
Date: 13 Apr 2001 22:12:25 -0700
Lines: 12

They float on heavy gusts of plot....


(jmsatb5 at aol.com)
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