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• The center of gravity would be hard to measure, (unless there is a method I don t know about). Theoretically, you can calculate the center of gravity if you
Message 1 of 3 , Nov 1, 2001
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The center of gravity would be hard to measure, (unless there is a
method I don't know about). Theoretically, you can calculate the
center of gravity if you know the weights and geometry of all the
parts. This would be easy for the cones without magnets. but when
you add the magnets, it becomes a more difficult problem on paper.
You would need a pretty darn accurate measurement of the magnet
weights and locations. Of course, assuming the cone is balanced, the
x & y coordinates of the CG will be on the center axis. The z
coordinate (vertical location) will be a 'weighted average' of the
CG's of all the parts.

I guess it wouldn't be too hard, but you ought to have a good
accurate scale, and a metric ruler for accurate distance
measurements. The final result will undoubtedly be slightly off from
reality. But not much if great care is taken. If you really want to
do this, I can write up a method.

Mike Mo.

--- In hameltech@y..., gearwerks@m... wrote:
> Hello!
> I've read a lot of postings, referring to using various things,
such
> as water to balance their cones. Has anyone ever made measurements
of
> the center of gravity of their cones?
• Finding the Center of Gravity (CG) of any object is very easy... just hang the object from a string... the vertical line goes through the CG... by hanging the
Message 1 of 3 , Nov 1, 2001
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Finding the Center of Gravity (CG) of any object
is very easy... just hang the object from a
string... the vertical line goes through the
CG... by hanging the object in three deferent
positions about 90' from each other you get the
point where all these lines cross...

in the case of a simple balanced cone...
hang it by one point on the rim... the place
where the the true vertical line crosses the
vertical axes is the CG...

Timothy...

--- mmorisey@... wrote:
> The center of gravity would be hard to measure,
> (unless there is a
> method I don't know about). Theoretically, you
> can calculate the
> center of gravity if you know the weights and
> geometry of all the
> parts. This would be easy for the cones
> without magnets. but when
> you add the magnets, it becomes a more
> difficult problem on paper.
> You would need a pretty darn accurate
> measurement of the magnet
> weights and locations. Of course, assuming the
> cone is balanced, the
> x & y coordinates of the CG will be on the
> center axis. The z
> coordinate (vertical location) will be a
> 'weighted average' of the
> CG's of all the parts.
>
> I guess it wouldn't be too hard, but you ought
> to have a good
> accurate scale, and a metric ruler for accurate
> distance
> measurements. The final result will undoubtedly
> be slightly off from
> reality. But not much if great care is taken.
> If you really want to
> do this, I can write up a method.
>
> Mike Mo.
>
> --- In hameltech@y..., gearwerks@m... wrote:
> > Hello!
> > I've read a lot of postings, referring to
> using various things,
> such
> > as water to balance their cones. Has anyone
> of
> > the center of gravity of their cones?
>
>

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