Submarine Design

[Submarine Tom]

Neutral buoyancy is the way to go here.

My design is -1 kg on launch, +2 kg on recovery.

Flight time one hour.

Call it neutraly buoyant, which only makes sense.

Why waste power creating lift (positive or negative) when you don't need to.

[karabacak]

ma ack what do you thing or using gas turbines @ submarines when it sailing
do you thing that can give admiring speed to submarine