- #1
Gonzolo
Is it concievable to build passenger, cargo and military aircrafts that run on something other than petroleum? I suspect electricity is out of the question because of the weight of batteries, but what about hydrogen? How does the the weight/energy ratio of hydrogen systems compare to that of common gas-kerosene engines?
What will aerospace engineers be working on when the world oil supply runs low?
What will aerospace engineers be working on when the world oil supply runs low?