On Tue, 4 May 1999 11:08:19 -0400, you wrote:

>I apologize for the bandwidth, but...
>Searching help from the radio amateurs colleagues:
>
>I need to produce a hot rod, 3 inches long, 1 mm diameter (this is the
>killer), vertical or horizontal mounting, solid material as copper -
>brass - steel - ceramic - etc., to achieve aprox 300-400¡C, mechanical
>mounting at one side (tip and 3 inches free in the air). Temperature
>should be uniform all along the 3".  After several failures using lots
>of crazy ideas (since just the rod should be heated, not the rod
>mounting base), I thought about radio frequency heating.  What happens
>if an antenna is made of resistive wire? with or without wavelength
>match, applying high power RF to this "dipole" (or monopole since just
>one rod would be used) the antenna element would heat?  There is nothing
>close to the rod for more than 4 ft, except for the mounting base.
>
>As this subject doesn't interest the list at all, please email me
>directly.
>Thank you and regards,
>
>Wagner.
Ceramic tube with 'V' of resistance wire inside.
Use a semi-circular section, and bend or join the end so your 'rod' is
actually two conductors, joined at the tip.