Thor Delta B
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.
Specifications
- Thrust
- 667 kN
- Height
- 31 m
- Diameter
- 2.44 m
- Launch mass
- 51 t
- Stages
- 3
- Launch cost
- $9.59M
- LEO capacity
- 370 kg
- GTO capacity
- 68 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
9flightswith a definitive outcome
88.9%success rate8 of 9
1failureincluding partial failures
0success streakcurrent
First flight December 13, 1962 · latest March 19, 1964
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Thor Delta B flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1962 | 1 | 0 | 1 |
| 1963 | 6 | 0 | 6 |
| 1964 | 1 | 1 | 2 |