Encyclopedia Astronautica
Eole



eoleserr.jpg
Eole
Credit: via Jean-Jacques Serra
French test vehicle. Second missile developed by Jean-Jacques Barre and end of that lineage.

On 17 May 1946 the French DEFA Agency established the LRBA (Ballistics and Aeronautical Research Laboratory). Jean-Jacques Barre was authorised to develop an improved version of his EA 1941 wartime indigenous rocket design on 15 October, 1946. This development was in competition with the Veronique, being developed for LRBA by a German team. Barre's EA 1946, powered by a liquid oxygen/gasoline engine with a 100 kN thrust, was intended to be a credible army weapon. Static tests began in February 1949 in Vernon, but it took three years and a switch to ethanol fuel to obtain stable combustion. Two flight tests in 1952 ended in failure. After six years the German design teams had produced better results, and the French military decided storable propellant engines offered more promise. The project was cancelled.

Failures: 2. Success Rate: 0.00%. First Fail Date: 1952-11-22. Last Fail Date: 1952-11-24. Launch data is: complete. Standard warhead: 275 kg (606 lb). Maximum range: 800 km (490 mi).

AKA: EA 1946.
Status: Retired 1952.
Gross mass: 3,400 kg (7,400 lb).
Payload: 275 kg (606 lb).
Thrust: 100.00 kN (22,480 lbf).
First Launch: 1952.11.22.
Last Launch: 1952.11.24.
Number: 2 .

More... - Chronology...


Associated Countries
See also
Associated Manufacturers and Agencies
  • LRBA French manufacturer of rocket engines and rockets. LRBA, France. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • Serra, Jean-Jacques, Rockets in Europe, Web Address when accessed: here.

Associated Launch Sites
  • Hammaguira The constellation of launch complexes and nuclear weapons test sites established by France in Algeria began with the Special Weapons Test Center (CIEES). This began operations at Colomb-Bechar, Algeria, on April 24, 1947. Development of the larger Veronique series required a new facility. This went into operation at Hammaguir, 120 km southwest of Colomb-Bechar, in May 1952. The evacuation of these launch sites was a condition of the final agreement signed in March 1962 that ended the Algerian Civil War. The sites continued in use until finally turned over to the Algerian government on 1 July 1967. French missile test activities moved to Biscarosse, in France, and orbital launches to Kourou, in French Guiana. Hammaguira was known to have been used for at least 271 launches from 1952 to 1967. More...

Eole Chronology


1946 October 15 - . Launch Vehicle: Eole.
  • EA 1946 development authorised - . Nation: France. Related Persons: Barre. Summary: The improved version of the EA 1941 is dubbed Eole and will use a fuel-cooled combustion chamber walls..

1949 February 4 - . Launch Vehicle: Eole.
  • Eole engine bench tests begin - . Nation: France. Related Persons: Barre. Summary: The engine runs for 13.5 seconds, 4.5 seconds early, due to heavier-than-expected liquid oxygen consumption..

1950 January 6 - . Launch Vehicle: Eole.
  • Eole engine explodes - . Nation: France. Related Persons: Barre. Summary: The engine begins oscillatory combustion at 20 seconds and explodes violently at 34 seconds. The explosion is visible 40 km from the LRBA test site at Vernon..

1951 September 25 - . Launch Vehicle: Eole.
  • Eole successful engine test - . Nation: France. Related Persons: Barre. Summary: The liquid oxygen/alcohol engine produces 9.59 tonnes thrust and an exhaust velocity of 2110 m/s..

1952 September 30 - . Launch Vehicle: Eole.
  • Eole program terminated - . Nation: France. Related Persons: Barre. Summary: The Veronique developed by the LRBA German team has been more successful and the French military sees no use for rockets using liquid oxygen on the battlefield..

1952 November 22 - . Launch Site: Hammaguira. Launch Vehicle: Eole. FAILURE: Failed after seven seconds of flight.. Failed Stage: 1.
  • Test mission - . Nation: France. Apogee: 0 km ( mi). Weeks of delays due to problems with getting liquid oxygen to the remote test site have delayed Barre's entry in the fly-off against the Veronique. The first Eole broke up after 7 seconds of flight, a failure attributed to tracer flares fitted to the fins.

1952 November 24 - . Launch Site: Hammaguira. Launch Vehicle: Eole. FAILURE: Failed after 25 seconds of flight.. Failed Stage: 1.
  • Test mission - . Nation: France. Apogee: 2.95 km (1.83 mi). Summary: The tracers used on the last flight were omitted. This rocket again loses its fins, but continued to an altitude of 2.95 km. It is determined that the fins were not able to withstand going through the sound barrier..

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