Hi Warren,
aluminium has a higher resistivity (28x10^-9 Ohmmeter) than copper (17x10^-9
Ohmmeter) but it has a larger skin depth (Al = 260 um, Cu = 210 um at 100kHz).
That makes an Al wire only 33% worse than a Cu wire of the same diameter.
Regarding mechanical strength it might be a good idea to inforce this by a
steel wire support.
73, Rik ON7YD - OR7T
________________________________________
Van: [email protected] [[email protected]]
namens Warren Ziegler [[email protected]]
Verzonden: zaterdag 5 november 2011 1:30
Aan: rsgb_lf_group
Onderwerp: LF: Al as a Loop Conductor ?
Hi,
I am considering using Aluminum service drop wire (3/0 gauge) as a
conductor for an LF transmitting loop. I know that the conductivity is
not as good as copper but it weighs so much less that I can use a
larger diameter conductor.
Has anyone tried this? How would it hold up when flexed by the wind ?
Other thoughts?
--
73 Warren K2ORS
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