Thor Delta C
Thor familyMcDonnell DouglasRetired
American orbital launch vehicle family with Thor first stage and a delta second stage.

Specifications
- Thrust
- 667 kN
- Height
- 27.5 m
- Diameter
- 2.44 m
- Launch mass
- 52 t
- Stages
- 3
- LEO capacity
- 81 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
10flightswith a definitive outcome
80%success rate8 of 10
2failuresincluding partial failures
2success streakcurrent
First flight November 27, 1963 · latest March 8, 1967
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 C flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1963 | 1 | 0 | 1 |
| 1964 | 2 | 0 | 2 |
| 1965 | 3 | 2 | 5 |
| 1966 | 1 | 0 | 1 |
| 1967 | 1 | 0 | 1 |