Launcher Partial Development Cost Model.
Auber, I
AUBER Consultant

This intervention will present:

Full and partial developments cost applications in the launcher domain. LPDCM presentation (Use of Powerpoint)

- ESA/ESTEC functional specification.
- Conception process: Elaboration of technico-economic database, choice of parameters, nominal and alternative technologies, application limits, cost revisions.
- General architecture.

  • Launcher systems: LOX/LH2 stages, LOX/HC stages, LOX/LH2 GG or SC large engines, LOX/HC GG or SC small engines, large SRB, small SOB, VEB, Upper structures, Prime activitie.
  • Systems processed at n-1 or n-2 PT levels: System activities, Combustion Chamber, fix or extendible nozzle, LH2 pump, LH2 turbine.
  • Five main activities: Design engineering, Production engineering, Tools, Prototypes, tests
  • Detailed tasks for design engineering: Conception/definition, Functional, Physical, Mechanical.
    - Partial development approach.
  • Modified and no modified sub-systems.
  • Team Fraction scale related to change severity: no influence in the functional up to important technical modification.
    - Parametric model
  • 95% of costs estimated from CERs.
  • Parameters adapted to the sub-system: Thrust, Propellant mass.
  • General parameters: Duration (Years Nb.), Prototypes Nb., Tests Nb.
    - Other functionalities.
    - Expected improvements.
    Cost estimating demonstrations from LPDCM (Use of Excel).