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MCDONNELL DOUGLAS

Thor Delta N

6FLIGHTS

83.3%SUCCESS

1FAILURES

1STREAK

Aug 1968FIRST FLIGHT

NOREUSABLE

HEIGHT33 m

DIAMETER2.44 m

LAUNCH MASS90 kg

LIFTOFF THRUST1,590 kN

STAGES2

ABOUT THOR DELTA N

American orbital launch vehicle family with Thor first stage and a delta second stage.

DIMENSIONS

↕Height33 m (108 ft)

↔Diameter2.44 m (8 ft)

⚖Launch Mass90 kg (198 lbs)

▣Stages2

FLIGHT HISTORY

Thor Delta N | TD-1A

Mar 12, 1972SUCCESS

Thor Delta N | OSO 7

Sep 29, 1971FAILURE