Cecil,

Could you clarify the dimensions of your column? Because the only
portion of a cylinder of Hg that would lengthen is the tiny portion at
the tip of the cylinder. Let's say the inner diameter of the tube was 1"
(kind of thick for a tube of Hg, but makes for really easy math here...
If the column of Hg was 4'long by 1" diameter, tilting it to a 45
degree off vertical would only allow the volume residing at the very end
to tilt (occupying 1" of cylinder length) and yes, it would (begging the
question it had no surface tension) find level again and the bottom
edge, effectively lengthening the metallic column by (1.414 * n) where
'n' is the affected volume. (roughly a length of column equal to the
diameter of the column) Our 4' column would only lengthen to about 4'
plus approx 1/2 an inch. The rest of the column is effectively captive
to the inner dimensions (and volume) of the vessel containing it.

Bob.




Cecil Moore wrote:

Jim Kelley wrote:

Cecil Moore wrote:

By Golly, I have been looking for a cable stretcher. A tilted
mercury column will perform that function.


How so?


The gravity vector remains constant while the tilted mercury
vector varies with the angle of the tilt. Let's say theta
is the angle of the tilt, i.e. the angle between the mercury
column and the ground plane. At an angle of 45 degrees, the
mercury column length will be 1.414 times the length at 90 degrees,
At 10 degrees, the mercury column length will be 5.76 times the
length at 90 degrees. That sounds like something worth patenting.
--
73, Cecil http://www.qsl.net/w5dxp



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