Delta 4925
Country of Origin: United States
Manufacturer: McDonnell Douglas
Height:
Diameter: 2.44 m core, 1.02 m boosters
Payload to LEO: 3400 kg
Total Mass:
Launch Sites: Cape Canaveral LC-17B
First Flight: August 28, 1989
Last Flight: June 12, 1990
Total Launches: 2
Successful Launches: 2
| Stage | Diameter | Propellant | Engine | Time | Thrust (Vac.) | ISP (SL/Vac.) | Mass/Empty Mass |
|---|---|---|---|---|---|---|---|
| Boosters | 1.02 m | Solid | 9 x Castor 4A | 56 s | 9 x 478.3 kN | 237 / 266 s | 11.578 / 1.457 tons each |
| 1 (Thor) | 2.44 m | RP-1 / LOX | MB-3-III | 866.7 kN | 253 / 290 s | ||
| 2 (Delta K) | 2.44 m | Aerozine 50 / N2O4 | AJ-10-118K | 431s | 43.4 kN | ? / 319 s |
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