On 09/02/2021 15:25, Chris J Dixon wrote:
John Rumm wrote:
On 08/02/2021 22:35, Paul wrote:
There's this one
https://www.ien.com/product-developm...y-than-it-uses
Might be the same one.
https://arstechnica.com/cars/2017/09...ctric-vehicle/
It's a transportation job, with net energy output.
I wonder how many quarrys have that kind of setup where the raw material
needs to be transported *down* from the quarry?
Shame the welsh slate quarries are no longer in bulk production,
or you could update the old solution of a horse drawing the
empties uphill, and gravity taking everything down laden.
Chris
Even more fun, use those handy zip-wires that are installed
to send the stuff down.