Thor Delta E1
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.
Specifications
- Thrust
- 1,450 kN
- Height
- 28 m
- Diameter
- 2.44 m
- Launch mass
- 68 t
- Stages
- 4
- LEO capacity
- 540 kg
- GTO capacity
- 150 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
17flightswith a definitive outcome
94.1%success rate16 of 17
1failureincluding partial failures
1success streakcurrent
First flight July 1, 1966 · latest April 1, 1971
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 E1 flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1966 | 3 | 0 | 3 |
| 1967 | 7 | 0 | 7 |
| 1968 | 3 | 0 | 3 |
| 1969 | 2 | 1 | 3 |
| 1970 | 0 | 0 | 0 |
| 1971 | 1 | 0 | 1 |