In the frame of Spacebus^TM competitiveness project, the CM Standard Evolution 1 development objective are:

Primary targets:

-       To reduce the recurrent and non-recurrent specific costs

-       To improve the flexibility of the SPACEBUS™ 4000C platform concerning the accommodation and the evolution of the payload and consequently to reduce the duration of the accommodation phase at the beginning of the project.

Secondary targets are :

-       To freeze technical inputs (embedded heat pipe network, north/south thermal coupling,  DC harness “main roads”, partial heater accommodation) and drivers (thermal and structural rules) at the program kick off in order to have a platform design less dependent of the payload.

-       To accommodate dissipative units on earth panels

-       To have generic definition for :

• North/south CM panels for each SPACEBUS™ 4000Ci : raw panels and structural inserts
• Embedded heat pipes : raw and machined levels and location inside the panels
• North/south thermal coupling : raw level and location on the panels
• Earth decks :
  • Lower earth deck : machined level and structural inserts
  • Upper earth deck : raw level and structural inserts

-       To have robust structural design justification files for each SPACEBUS^TM 4000Ci consistent with the lateral antenna workshop layout (other ARTES project).

-       To have a thermal analyses allowing to calculate the thermal performances, to define the accommodation drivers applicable to the repeater and to develop a pre-sizing tool for BID phase up to PDR.

-       To define a new concept of satellite handling (lighter and safer)

CM Std Evo1 – thermal mock-up