So it's a dirigible instead of a balloon, and you burn the hydrogen in the
envelope with atmospheric oxygen for some reason?
On Wed, May 8, 2019 at 9:56 AM Peter Fairbrother <peter@xxxxxxxxxx> wrote:
On 08/05/2019 06:07, Troy Prideaux wrote:
Not much mention on how they deal with aero drag.
"We should be able to extract some of the potential energy of the column
of air above us falling down [??] as we pass through it falling up,
again using Newton's law of equal and opposite action"
They also seem to be burning helium with atmospheric oxygen ... I didn't
know that worked well enough.
Peter Fairbrother
