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Delta no. 4
Delta no. 4 - Delta no. 4 - COSPAR 1961-Kappa

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Family: Delta. Country: USA. Status: Hardware. Other Designations: Thor-Delta.

Commercial name for the military's Thor-Delta. The name of the Delta second stage eventually was applied to subsequent commercial follow-ons.


Specifications

Launches: 12. Failures: 1. Success Rate: 91.67% pct. First Launch Date: 13 May 1960. Last Launch Date: 18 September 1962. Payload: 45 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 68,040 kgf. Total Mass: 54,050 kg. Core Diameter: 2.4 m. Total Length: 31.0 m. Flyaway Unit Cost $: 7.27 million. in 1985 unit dollars.


Delta Chronology


1960 May 13 - - 09:16 GMT. LV Configuration: Thor Delta s/n 144 / Delta s/n 1. Launch Site: Cape Canaveral . Launch Complex: LC17A. FAILURE: Second stage attitude control failure.
1960 Aug 12 - - 09:40 GMT. LV Configuration: Thor Delta s/n 270 / Delta s/n 2. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1960 Nov 23 - - 11:12 GMT. LV Configuration: Thor Delta s/n 245 / Delta s/n 3. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1961 Mar 25 - - 15:17 GMT. LV Configuration: Thor Delta s/n 295 / Delta s/n 4. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1961 Jul 12 - - 10:26 GMT. LV Configuration: Thor Delta s/n 286 / Delta s/n 5. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1961 Aug 16 - - 03:21 GMT. LV Configuration: Thor Delta s/n 312 / Delta s/n 6. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1962 Feb 8 - - 12:43 GMT. LV Configuration: Thor Delta s/n 317 / Delta s/n 7. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1962 Mar 7 - - 16:06 GMT. LV Configuration: Thor Delta s/n 301 / Delta s/n 8. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1962 Apr 26 - - 18:00 GMT. LV Configuration: Thor Delta s/n 320 / Delta s/n 9. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1962 Jun 19 - - 12:19 GMT. LV Configuration: Thor Delta s/n 321 / Delta s/n 10. Launch Site: Cape Canaveral . Launch Complex: LC17A.
1962 Jul 10 - - 08:35 GMT. LV Configuration: Thor Delta s/n 316 / Delta s/n 11. Launch Site: Cape Canaveral . Launch Complex: LC17B.
1962 Sep 18 - - 08:53 GMT. LV Configuration: Thor Delta s/n 318 / Delta s/n 12. Launch Site: Cape Canaveral . Launch Complex: LC17A.

Bibliography:



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Last update 12 March 2001.
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