[TowerTalk] Silver vs Aluminum vs Copper Re: OT: Inductor Calculator

[Richard (Rick) Karlquist]

On 3/1/2019 10:45 AM, jimlux wrote:

> Sure - it's a classic engineering tradeoff - if you look at a dollars 
> per dissipated watt sort of metric,  it takes 60% more aluminum than 
> copper to get the same resistance, but copper costs a lot more than 60% 
> more than aluminum.   So if you've got room, it's cheaper to make it 

When costing copper vs aluminum:  for a given VOLUME of metal (which is
what we are talking about here) we have to use both the price per
pound of the respective metals AND the density of the respective metals.
That works out to something like 10:1 in favor of aluminum vs copper.

Rick N6RK