KONGSBERGs attach and release mechanisms keeps the boosters safely attached to the main stage during the tough launch of the rocket and then with extreme precision the boosters are released from the main stage. At separation, pyrotechnical devices cut the two forward attached DAAV and the six DAAR struts and the booster can separate from the main stage.

KONGSBERG has developed and delivered booster attach and release mechanisms to more than 100 successful Ariane 5 launches, and will continue to deliver the forward booster attach and release mechanism (UPPA) for the Ariane 6.

Product description

The DAAV and UPPA high-performance spherical bearings, included in a highly sophisticated mechanism, transmit the loads from the Ariane booster motor to the Ariane main stage throughout the booster life.

The DAAR struts transfer the lateral loads between the main stage and the boosters. At separation, pyrotechnical devices cut the two forward attachments and the six struts and the booster can separate from the main stage.