Separate names with a comma.
would simplify the whole ships weight vs mass and make it a lot simpler to understand while building
yes, but if there's going to be a weight indicator why not have it on the cockpit hud...and a bit more simple instead of the obscure way they have...
add a volume/mass indicator controlled by thruster/hover engines to the cockpit screen of the craft, along with the effects of gravity if you are...