Editing Diamant (section)

=== Diamant BP4 ===
This version incorporates a new second stage, while carrying the first and third stages over from its predecessor.<ref name=":3" /> It performed three successful launches in 1975, putting a total of four satellites into orbit. 

Completely assembled, a Diamant BP4 measured 22.68 metres high and weighed 20.3 metric tons.<ref name=":0" /> 

Its ''Rita'' ''P-4'' second stage, which was derived from the [[M1 (missile)|MSBS]] rocket, was 2.28 metres long, 1.51 metres in diameter and its ''P4'' solid propellant engine developed a thrust of 176&nbsp;kN for 55 seconds.<ref name=":3" />