Originally Posted by
JRSlash
So, why is the RSX (also a $200+ esc) in an aluminum case and not in a polycarbonate like the rx8?
Heat dissipation. The RSX is a much smaller package than the Rx8 and needs the aluminum housing to keep the unit running cool.
The Rx8 has a much larger heatsink which is sufficient alone allowing us to run the poly-carbonate composite material to save weight.