Copper-price makes my hobby of experimenting with EMP rifles so prohibitively expensive!! Now it is all-aluminum!!! (Bonus: Aluminum contracts and expand more

Copper-price makes my hobby of experimenting with EMP rifles so prohibitively expensive!! Now it is all-aluminum!!! (Bonus: Aluminum contracts and expand more making it more useful in multi-strata windings and using the expanded aluminum contacting with higher layer and in turn higher layers ... quicker.)