ve2pid wrote:
I am looking for a formula giving the inductance of a solid disk for a
known diam/material/thickness...

Any idea?

Thanks for your hels de Pierre VE2PID

I am taking it, you mean when it is used as a radiating element in the
antennas' construction. Such as a few charts which can be found around
which predict the inductance of a wire radiating element -- I have never
seen, either software or charts/tables/formulas, to predict such ...
perhaps EZNEC or MMANA-GAL could be used for such a purpose--I honestly
don't know ... Roy would know ... perhaps Cecil is aware of something?

Or, do you mean something else?

Regards,
JS