PSN-L Email List Message
From: "Charles R. Patton" charles.r.patton@........
Date: Tue, 19 Feb 2008 08:39:42 -0800
Yes, that thought had occurred to me, too. One possibility would be to
find a flat piece of standard window pane, mount it, and provide tension
screws to physically pressure it into the desired curve. After all it
is only 0.001" in 1". I think glass would bend that much.
Ted Rogers wrote:
> You could create the same "rolling" effect by having 2 narrow plates a
> short distance apart on the upper edge of each a shallow curve of
> about 1000' radius. On these you sit a ground and polished rod of,
> say, 2" (~50mm). I'm sure this would give the same effect as your
> cylinder, the only problem being of course - the creation of the
> curves. The measurement of any movement of the rod could be done by
> some sort of optical sensor looking either up or down passed a
> narrower extension of the rod, or even a flat reflective surface
> attached to one end of the rod...
Public Seismic Network Mailing List (PSN-L)
[ Top ]
[ Back ]
[ Home Page ]