3. A two stage rocket with a total AV = 9 km/s has been optimized with a Lagrangian coefficient of a = 330 m/s. Stage Isp či R; = X; Ej 1 400 s 0.2 ? ? ? 0.15 ? ? (a) Calculate the missing quantities given in the table. (b) What is the overall payload mass fraction, i.e., the ratio of the payload mass to the initial
3. A two stage rocket with a total AV = 9 km/s has been optimized with a Lagrangian coefficient of a = 330 m/s. Stage Isp či R; = X; Ej 1 400 s 0.2 ? ? ? 0.15 ? ? (a) Calculate the missing quantities given in the table. (b) What is the overall payload mass fraction, i.e., the ratio of the payload mass to the initial
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8.
Transcribed Image Text:3. A two stage rocket with a total AV = 9 km/s has been optimized with a Lagrangian coefficient
of a = 330 m/s.
Stage
Isp
C; R; = X;
Ej
1
400 s
0.2
0.15
?
?
(a) Calculate the missing quantities given in the table.
(b) What is the overall payload mass fraction, i.e., the ratio of the payload mass to the initial
launch
mass,
for this two stage stack up?
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