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
|