Re: [Fwd: Re: How a gyro works/Weight Loss/SimpleExplanation]

John Berry ( antigrav@ihug.co.nz )
Sat, 31 Jan 1998 15:36:21 +1300

<x-html><HTML>
As I said in a recent post gyros work by inertia, they warp the centrifugal
force of the rotating object when&nbsp; another axis of rotation (precession)
is applied that will create a third axis of rotation (unless precession
is forced) called nutation and that third axis will take the gyro in a
spiraling motion to the last place the precession was forced.

<P>Now for how those forces are created, Two examples

<P>Example 1.

<P><TT>fixed width font:</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
fig.1</TT>
<BR><TT>A&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I
^upwards motion of disk</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; v---I---^ axis</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR>&nbsp;
<BR>&nbsp;

<P><TT>B&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I ^upwards
motion of disk</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; v---*---^ axis</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I</TT>
<BR>&nbsp;

<P><TT>C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;
^upwards motion of disk</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I&nbsp;&nbsp;
-^</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; --I-- axis</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; v-&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I</TT>

<P>Legend&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * = point on disk&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I= disk&nbsp;&nbsp;&nbsp;&nbsp; - = axis of primary rotation&nbsp;&nbsp;&nbsp;&nbsp;
^ = direction of motion or force is upwards&nbsp;&nbsp;&nbsp;&nbsp; v =
direction of motion or force downwards

<P>As the point on the disk that we are tracking moves upwards the second
axis of rotation (clockwise) causes the point to make a turn, so there
is an inertial \ centrifugal force to the right.

<P><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
fig.2</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*&nbsp; ^</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*</TT>
<BR>path of point over time

<P>This happens on both sides of the disk pushing the top half to the right
and the bottom to the left, this creates a third rotational axis (unless
forced), this axis aligns the second axis of rotation with the first until
they are perfectly in line.

<P>Example 2.<TT></TT>

<P><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
fig.3</TT>
<BR><TT>&nbsp;&nbsp;&nbsp; &lt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;</TT>
<BR><TT>&nbsp;&nbsp; III&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
III</TT>
<BR><TT>&nbsp; I&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
I&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;I&nbsp;&nbsp;&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
l&nbsp;&nbsp;&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>vI&nbsp; o&nbsp; I^==============o&nbsp; I ^</TT>
<BR><TT>&nbsp;I&nbsp;&nbsp;&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
l&nbsp;&nbsp; \ I&nbsp;&nbsp;&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp; I&nbsp;&nbsp; I&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l&nbsp;&nbsp;&nbsp;
\ I&nbsp;&nbsp; I</TT>
<BR><TT>&nbsp;&nbsp; III&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; l&nbsp;&nbsp;&nbsp;&nbsp;
\ III</TT>
<BR><TT>&nbsp;&nbsp;&nbsp; >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \ ></TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
\first axis</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; second axis</TT>
<BR><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; anti-clockwise
as seen from above</TT>

<P>this works by unbalancing the centrifugal force of the second axis by
that of the first, the tangential velocity of the disk to the left is greater
on the bottom as the primary rotation of the disk adds to the tangential
velocity on the bottom but subtracts from the top half, on the right disk
the force is greater on the top as the motion adds to the tangential velocity
of the second axis and hence unbalances the centrifugal force, this creates
a toque that if not forced to precess will create a nutation which will
persist until there is only rotation.
<BR>&nbsp;

<P>John Berry

<P>Vano wrote:
<BLOCKQUOTE TYPE=CITE>Grant Fraser wrote:

<P>> Here is a simpler explanation:
<BR>>
<BR>> A spinning object develops "rigidity in space".&nbsp; If it were
at rest all
<BR>> of its energy would by "potential".&nbsp; When it is spun, some of
its energy
<BR>> is "kinetic".
<BR>> A spinning top has a separate momentum from the earth.&nbsp; An early
proof
<BR>> that the earth turns was made by running a gyroscope for a day.&nbsp;
Because
<BR>> of rigidity in space, the gyroscope appeared to turn once around.&nbsp;
We
<BR>> know actually that it was the planet that turned and not the gyroscope.
<BR>> You could make a clock from one but at $30,000 I wouldn't recomend
it.
<BR>> If you spun your launch vehicle at a high enough rpm, the energy
<BR>> required to lift it would be considerably reduced.
<BR>> (I'll bet that if you spun it hard enough it would it would just
sit
<BR>> there while the planet raced away from it.&nbsp; Anybody here an
expert on
<BR>> material science?)

<P>&nbsp;&nbsp;&nbsp; Anybody can shed more light into the nature of gyros
? URL's, text
<BR>files, and specially equations are welcome !!!
<BR>( we never studied gyros in the university nor in school ! )

<P>&nbsp;&nbsp;&nbsp; Also, a note that in airplanes gyros are used as
compasses meaning that
<BR>using only motion one can know where north is, and from what Grant
has said,
<BR>maybe someone can tie gyros with the aether !!!</BLOCKQUOTE>
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Date: Sat, 31 Jan 1998 04:04:38 +0100
From: Vano <vano@mx3.redestb.es>
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Subject: Inertial Drive already invented!
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Well... looking in the web I came accross this site :

http://www.supersymmetry.com/

move down and look where it says "New Effort" "Thomas L. Navarro" and
read that bit and look at the picture. These bast@&#$ have invented it
already !!! After seeing the picture, one feels very demoralized to make
one :(

also I found these, Interesting notes on historical cases of weight loss
effects using gyros:

http://www.contrib.andrew.cmu.edu/~vp0t/oriweb/_memoirs/DrSpang01.html
http://newton.dep.anl.gov/newton/askasci/1993/physics/PHY11.HTM

note that the domains end with .edu and .gov !!!