Vehicle Overview
| |
LEO Easterly Orbit
(35 deg. 200 km) |
LEO Polar Orbit
(90 deg., 200 km) |
Estimated Launch Price |
Configuration |
Launch Mass (est.) |
| Pathfinder |
4,400 lb
2,000 kg |
3,750 lb
1,700 kg |
US $7 M |
Two Stage to Orbit (TSTO)
Pathfinder RLV first stage +
Expendable second stage |
250,000 lb
113,380 kg |
* Performance from Pioneer Rocketplane
Website
Vehicle Configuration
| |
Stage 1
(Pathfinder) |
Stage 2 |
| Length |
85.5 ft
26.1 m |
10.0 ft
3.1 m |
| Wingspan / Diameter |
49 ft
14.9 m |
9.0 ft
2.74 m |
| Gross Mass |
240,000 lb
108,840 kg |
34,100 lb
15,460 kg |
Propellant
Propellant Mass (estimated) |
LOX / RP
180,000 lb
81,630 kg |
LOX / RP
30,000 lb
13,604 kg |
Engine**
Thrust
Isp (estimated) |
RD-120
187,000 lb vac
830,280 kN
350 sec |
Fastrac
60,467 lbf
268,500 N
310 sec |
| Number of Engines |
1 |
1 |
| Nominal Burn Time |
337 sec (Ascent) |
154 sec
(without throttling) |
** Note: Vacuum engine performance unless
otherwise specified.
|
