sferrin said:the thing they gloss over with Ares is is it powered and if so how? Or is it just a glider? (Seems like a waste spend all that time to get it there for a few minutes of glide time. Why not just send a balloon if that were the case?)
Michel Van said:back to Mars glider
first proposal came from JLP in 1977
300 kg motor glider with hydrazine fueled 11.2 kilowatt engine
the steam powered a propeller of4.5 meter ø
wingspan of 21 meters by length 6.5 meters