Thor Delta N
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.
Specifications
- Thrust
- 1,590 kN
- Height
- 33 m
- Diameter
- 2.44 m
- Launch mass
- 90 t
- Stages
- 2
- Launch cost
- $18.8M
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
6flightswith a definitive outcome
83.3%success rate5 of 6
1failureincluding partial failures
1success streakcurrent
First flight August 16, 1968 · latest March 12, 1972
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 N flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1968 | 2 | 0 | 2 |
| 1969 | 2 | 0 | 2 |
| 1970 | 0 | 0 | 0 |
| 1971 | 0 | 1 | 1 |
| 1972 | 1 | 0 | 1 |