> And "one pound of thrust" only makes sense when you're in Earth's gravity field with gravity losses. Ah, but now we're talking about "pounds of force", not '

> And "one pound of thrust" only makes sense when you're in Earth's gravity field with gravity losses. Ah, but now we're talking about "pounds of force", not 'pounds of mass': https://en.wikipedia.org/wiki/Pound_(force) https://en.wikipedia.org/wiki/Pound_(force)