helium car

[jim currie]

.... also will paint inside of the car black so when viewed from eye level you will be able to see through .  

Don't know that i understand what you are saying here??

on the ends of the tanks on the proto cars you can see daylight through the car  looking straight on so if you paint inside of car black looking down  on car it will appear as a shadow  if viewed at eye lever you will see light .