McDonnell Douglas

Thor Delta E1

Delta E1

Thor Delta E1
Retired

Overview

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

Manufacturer

McDonnell Douglas

Variant

Delta E1

Alias

N/A

Maiden Flight

July 1, 1966

Technical Specifications

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28 m

Length

2.44 m

Diameter

0 t

Launch Mass

1450 kN

Liftoff Thrust

540 kg

LEO Capacity

150 kg

GTO Capacity

Launch Record

/03
17

Total Launches

16

Successful

1

Failed

94.1%

Success Rate

0

Attempted Landings

0

Successful Landings

0

Failed Landings

0

Consecutive Successes

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