re: Re: those jet backbacks?
Expansion of gas too weak and too slow liquid O2 and kerosene wouold work but good luck in finding some fool to strap that on his back ....!
Space/Science » in reply to Re: those jet backbacks?
Expansion of gas too weak and too slow liquid O2 and kerosene wouold work but good luck in finding some fool to strap that on his back ....!