Isp : Specific impulse , which means impulse ( force * time ) the rocket gets with 1 mass unit of fuel(ex. a engine consume 1 kg of LH2 / LOx propellant and get a 1 t vessel accelerated 4.66 m/s , then its Isp is 4660 m/s , and after being divided by Earth G 9.80665m/s2 ...
Isp : Specific impulse , which means impulse ( force * time ) the rocket gets with 1 mass unit of fuel(ex. a engine consume 1 kg of LH2 / LOx propellant and get a 1 t vessel accelerated 4.66 m/s , then its Isp is 4660 m/s , and after being divided by Earth G 9.80665m/s2 ...