Encyclopedia Astronautica
Tacite


French sounding rocket. Single stage sounding rocket using a single Stromboli SEPR 739-2 stage with 'Plastoline' propellant. Stabilisation was by four fins and a nitrogen cold-gas spin thrusters.

Payload: 285 kg (628 lb) to a 160 km altitude. Failures: 1. First Fail Date: 1967-11-23. Last Fail Date: 1967-11-23.

Gross mass: 2,000 kg (4,400 lb).
Payload: 285 kg (628 lb).
Height: 7.80 m (25.50 ft).
Diameter: 0.56 m (1.83 ft).
Thrust: 170.00 kN (38,210 lbf).
Apogee: 160 km (90 mi).
First Launch: 1965.06.15.
Last Launch: 1968.10.15.
Number: 4 .

More... - Chronology...


Associated Countries
Associated Engines
  • Stromboli SEPR solid rocket engine. 143 kN. Out of production. Isp=235s. Used on Berenice, Tacite, Titus. First flight 1962. More...

See also
  • Berenice Berenice was Onera's successor to the Antares re-entry vehicle test booster. It was nearly double the mass of Antares. More...

Associated Manufacturers and Agencies
  • ONERA French manufacturer of rocket engines and rockets. Office National d'Etudes et de Recherches Aerospatiales, France. More...

Associated Launch Sites
  • Ile du Levant In October 1950 a military missile test site was established at the French naval base on the Ile du Levant, an offshore island in the Mediterranean near Toulon. This was named CERES (Special Weapons Research and Tests Center) in 1952 and replaced a beach site at Pampelone used for ad-hoc launches since 1948. In 1968 it was expanded to include the La Renardiere site on Pont ST Mandrier and renamed CEM (Mediterranean Test Center). La Renardiere had been used in 1945 for testing the first French liquid propelled rocket, the EA 41. Ile du Levant was known to have been used for at least 111 launches from 1956 to 1969, reaching up to 270 kilometers altitude. More...
  • Biscarosse In April 1962 France signed the final agreements with Algeria, requiring them to evacuate their rocket test ranged there by July 1967. Three months later a site on French soil on the Bay of Biscay, at Landes, near Biscarosse, was selected. The site would allow the testing of missiles over the Atlantic out to a range of 3000 km. This would put the RV impact area near the Azores, and a tracking station was opened in October 1966 on Flores island. More...

Associated Stages
  • Tibere-2 Solid rocket stage. 170.00 kN (38,218 lbf) thrust. Mass 1,700 kg (3,748 lb). More...

Tacite Chronology


1965 June 15 - . 00:00 GMT - . Launch Site: Biscarosse. LV Family: Berenice. Launch Vehicle: Tacite. LV Configuration: Tacite TACITE 01.
  • Infrared Horizon Study Aeronomy mission - . Nation: France. Agency: ONERA. Apogee: 182 km (113 mi).

1967 November 23 - . Launch Site: Ile du Levant. Launch Pad: CERES. LV Family: Berenice. Launch Vehicle: Tacite. LV Configuration: Tacite 002. FAILURE: Failure.
  • FU-169 X-ray astronomy mission - . Nation: France. Agency: CNES. Apogee: 0 km ( mi).

1968 May 15 - . 00:38 GMT - . Launch Site: Ile du Levant. Launch Pad: CERES. LV Family: Berenice. Launch Vehicle: Tacite. LV Configuration: Tacite TACITE 02.
  • Earth infrared Aeronomy mission - . Nation: France. Agency: CNES. Apogee: 175 km (108 mi).

1968 October 15 - . Launch Site: Ile du Levant. LV Family: Berenice. Launch Vehicle: Tacite. LV Configuration: Tacite 004.
  • Sun pointing test / solar mission - . Nation: France. Agency: CNES. Apogee: 140 km (80 mi).

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