Comparison of SOLID Propellant Vs LIQUID Propellant

Comparison of SOLID Propellant Vs LIQUID Propellant 




PROPELLANT
HTPB
(SOLID)
UDMH-N2O4
(Liquid)
LOX- P1
( Semi Cryogenic)
LOX- LH2
(Cryogenic)
Density
1.80
1.15
1.05
0.35
Theoretical ISP Vacuum
310 s
340 s
360 s
460 s
Density x ISP
558s
391 s
378 s
161 s
VOLUME RATIO
REF.
X 1.5
X 1.5
X 3