If you do the calculation with the Isp at sea level, you get
mdot=215kN/320s*9.81m/s2 =215000N/3139.2m/s3 =68.49kg/s and thus t=m/mdot =2000kg/68.49kg/s =29.20s |
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If you do the calculation with the Isp at sea level, you get
mdot=215kN/320s*9.81m/s2 =215000N/3139.2m/s3 =68.49kg/s and thus t=m/mdot =2000kg/68.49kg/s =29.20s |
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