In a message dated 2008/02/19, tedr@........... writes:

> 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. 

Hi Ted,

       You could probably get this sort of curvature most easily by flexing a 
flat plate? It is approximately 0.75 thou for a 6" long plate!

       Part of the problem is having large area contacts. This is most easily 
corrected with either strips of foil or wires.

       Regards,

       Chris Chapman   
In a me=
ssage dated 2008/02/19, tedr@........... writes:



You could create the same "roll=
ing" effect by having 2 narrow plates a short distance apart on the upper ed=
ge of each a shallow curve of about 1000' radius. On these you sit a ground=20=
and polished rod of, say, 2" (~50mm). I'm sure this would give the same effe=
ct as your cylinder, the only problem being of course - the creation of the=20=
curves. 




Hi Ted,



       You could probably get this sort of cur=
vature most easily by flexing a flat plate? It is approximately 0.75 thou fo=
r a 6" long plate!



       Part of the problem is having large are=
a contacts. This is most easily corrected with either strips of foil or wire=
s.



       Regards,



       Chris Chapman