Thor Delta B
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Thor
variant Delta B
Maiden Flight
13 DEC 1962
About
American orbital launch vehicle family with Thor first stage and a delta second stage.
Vehicle Specifications
Height
31 m
Diameter
2.44 m
Launch Mass
51 T
Thrust
667 kN
Stages
3
Configuration
Expendable
Launch Record
Total Launches
9
Successful
8
Failed
1
Performance
To LEO
370 kg
To GTO
68 kg
Launch Cost
$9.6M