Evening Den.
The threads for the screw would definatly be an issue as we all know what ally grips are like after time. hmmmm first issue.
The bottom of the bar was going to have a silver strip flushed in for it to conduct with the coils.
As for speed! Well,We will soon find out if we pull it off but like i said its just an idea that came up earlier this evening while talking in the garage and thought we would give it a bash...