|
Engine
|
Merlin-1A
|
Merlin-1Ci
|
Merlin-1C |
Merlin-1C+
|
Merlin-1D
|
Merlin-1D+ |
Merlin-1D++ |
|
Use
|
Falcon-1
(Demo) |
Falcon-1
(interim upgrade) |
Falcon-1e
Falcon-9 (B1) |
Falcon-9 (B2)
(not realized) |
Falcon-9 (v1.1) |
Falcon-9 (v1.2) |
Falcon-9 (v1.2+)
(Block-5) |
| |
|
|
|
|
|
|
|
|
Propellant
mix
|
2.17 |
2.17 |
2.17 |
2.17 |
2.34 |
2.36 |
|
|
Net flow
rate (kg)
|
130.5 |
134.4 |
161.5 |
202.4 |
236.6 |
298.7 |
317.5 (?) |
|
Thrust
sea level
|
73,000 lbf
|
78,400 lbf |
95,000 lbf |
122,700 lbf |
147,100 lbf |
190,000 lbf |
203,000 lbf |
|
Thrust
vacuum
|
83,000 lbf
|
88,700 lbf |
108,500 lbf |
138,800 lbf |
166,900 lbf |
205,500 lbf |
220,000
lbf (?) |
|
Isp s.l.
(sec)
|
253.7 |
264.5 |
267 |
275 |
282 |
288.5 |
290.0
(?) |
|
Isp vac
(sec)
|
288.5 |
299.2 |
304.8 |
311 |
320 |
312 |
314.3 (?) |
|
Chamber
pressure
|
5.39 MPa
|
6.08 MPa |
6.14 MPa |
6.77 MPa |
9.72 MPa |
10.8 MPa |
? |
|
Pressure
exp. rate
|
?
|
?
|
? |
? |
226 |
227 |
|
|
Throat
area (m2)
|
? |
? |
? |
? |
0.042 |
0.042 |
|
|
Nozzle
area (m2)
|
? |
? |
? |
? |
0.90 |
>0.90 |
|
|
= Area
exp. ratio
|
14.5 |
16 |
16 |
? |
21.4 |
>21.4 |
|
|
Nozzle
L/D (m)
|
- |
- |
- |
- |
- |
- |
- |
|
Engine
|
Merlin-1CV
|
Merlin-1DV
|
Merlin-1DV+ |
|
Use
|
Falcon-9 (B1) |
Falcon-9 (v1.1) |
Falcon-9 (1.2) |
|
without nozzle extension
|
|
|
|
Propellant
mix
|
2.17 |
2.36 |
2.38 |
|
Net
flow rate (kg)
|
157.95 |
236.56 |
273.70 |
|
Thrust
sea level
|
- |
- |
- |
|
Thrust
vacuum
|
117,000 lbf (?) |
181,000 lbf |
210.00 lbf |
|
Isp
s.l. (sec)
|
- |
- |
- |
|
Isp
vac (sec)
|
336 |
347 |
348 |
|
Chamber
pressure
|
6.14 MPa |
9.72 MPa |
10.8 MPa |
|
Pressure
exp. rate
|
? |
3240 |
3170 |
|
Throat
area (m2)
|
0.042 |
0.042 |
0.042 |
|
Nozzle
area (m2)
|
4.90 |
4.90 |
>4.90 |
|
= Area
exp. ratio
|
117 |
117 |
>117 |
|
Nozzle
L/D (m)
|
2.70 x 2.50 |
2.70 x 2.50 |
>2.70 x 2.50 |
|
