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Diamant B
Part of Diamant
Diamant B
Diamant B
Credit: © Mark Wade
As a follow-on to the Diamant-A, CNES decided to evolve a more capable launch vehicle. The Diamant-B used a new first stage with 50% more propellants and 33% more thrust; the same second stage; and a fatter third stage. Six Diamant-B boosters were ordered. Originally four of these were to be used to test the Europa 2 launch vehicle's Perigee-Apogee System. These tests were cancelled and instead CNES used five of the six boosters for orbital attempts.

Status: Retired 1973. First Launch: 1970-03-10. Last Launch: 1973-05-21. Number: 5 . Payload: 160 kg (350 lb). Thrust: 349.00 kN (78,458 lbf). Gross mass: 26,990 kg (59,500 lb). Height: 23.50 m (77.00 ft). Diameter: 1.50 m (4.90 ft). Apogee: 200 km (120 mi).

3 stage vehicle consisting of 1 x Amethyste + 1 x Topaze + 1 x P068.

LEO Payload: 160 kg (350 lb) to a 200 km orbit.

Stage Data - Diamant B


More at: Diamant B.

Family: orbital launch vehicle. Country: France. Engines: Vexin C. Spacecraft: D, Dial MIKA, DIAL WIKA, Peole. Launch Sites: Kourou, Kourou Diamant. Stages: Diamant B-1, P4, P6. Agency: SEREB.
Photo Gallery

Diamant BDiamant B


Diamant B Diamant B
Diamant B - COSPAR 1970-109


Diamant BP.4 Diamant BP.4
Diamant BP.4 - COSPAR 1975-039


Diamant BDiamant B
Credit: © Mark Wade



1970 March 10 - . 12:20 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B.
1970 December 12 - . 13:04 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B.
1971 April 15 - . 09:19 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B.
1971 December 5 - . 16:20 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. FAILURE: Second stage failed.. Failed Stage: 2.
1973 May 21 - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. FAILURE: Failure - fairing did not jettison.. Failed Stage: S.

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