http://apcnasa3ozl2j74htizuzba5b6nhugbg2qze2nrz43siunkct555fpid.onion
Thus, an engine with a thrust of 100 pounds of force (lb f ) would have a T/W of 1 if the vehicle weighed 100 pounds. We have to be a bit careful of our units here, since a pound is a unit of force (or thrust or weight); a unit of pound-mass (lb m ) is often used such that a pound-mass has a weight (or exerts...