Dream Chaser’s Development Schedule
SNC Dream Chaser docks with the International Space Station. (Credit: Sierra Nevada Corporation)
So, what is Sierra Nevada Corporation going to do with the $80 million it’s receiving from NASA under the CCDev program? The following schedule provides a great overview of how the company will develop its Dream Chaser (DC) spacecraft over the next 13 months.
| Appendix 2(a). CCDev2 Performance Milestones and Success Criteria. | ||
| Baseline Milestones | Milestone Value |
Baseline $80M Award Schedule |
| Milestone 1: System Requirements Review
Description: Conduct System Requirements Review (SRR); SNC shall present a briefing of the system requirements for the Dream Chaser Space System (DCSS). SNC shall provide NASA a hard copy of the presentation materials and responses to NASA questions concerning system requirements. Success Criteria: Meet criteria specified in the SNC System Requirements Review Entrance and Success Criteria. (Table 1) |
|
May 2011 |
| Milestone 2: Canted Airfoil Fin Selection
Description: Complete wind tunnel tests and Computational Fluid Dynamics (CFD) analysis on candidate airfoil fin Outer Mold Line (OML) and select final fin shape to ensure proper aerodynamic performance of fins. Present analysis results and final DC airfoil shape to NASA. Success Criteria: Completion of the review of the airfoil selection as described above. (Table 2) |
|
June 2011 |
| Milestone 3: Cockpit Based Flight Simulator
Description: Complete fabrication and assembly of cockpit structure, install simulator displays and controls, and conduct a Simulator Readiness Review to verify readiness for engineering and pilot evaluations. Success Criteria: Meet the criteria specified in the SNC Simulator Readiness Review Entrance and Success Criteria. The DC cockpit structure is completed, simulator hardware integrated, and the simulator is ready for engineering simulations. (Table 3) |
|
July 2011 |
| Milestone 4: Vehicle Avionics Integration Laboratory
Description: Vehicle Avionics Integration Laboratory (VAIL) designed and ready to begin DC avionics developmental engineering tests. VAIL will allow testing, verification and validation of avionics and software. Success Criteria: Demonstration of a functional VAIL, which is ready for avionics bench testing. (Table 4) |
|
September 2011 |
| Milestone 5: System Definition Review
Description: Conduct System Definition Review (SDR); SNC shall present a briefing of the proposed Dream Chaser Space System architecture/design. SNC shall provide NASA a hard copy of the presentation materials and responses to NASA questions concerning system definition. Success Criteria: Meet criteria specified in the SNC System Definition Review Entrance and Success Criteria. (Table 5) |
|
October 2011 |
| Milestone 6: Flight Control Integration Laboratory
Description: Flight Control Integration Laboratory designed, developed and ready to begin developmental engineering tests of flight control actuators and surfaces. Complete assembly of the Flight Control Bench Test hardware such that it is ready to support ETA flight control tests. |
|
November 2011 |
| Milestone 7: ETA Structure Delivery
Description: Complete assembly of and deliver the ETA primary structure for start of system integration and installation of secondary structure. Success Criteria: Assembly and delivery of the ETA primary structure; ready for system integration. (Table 7) |
|
December 2011 |
| Milestone 8: Separation System Test
Description: Complete design and construction of prototype DC separation system and demonstrate activation to validate concept and verify performance of separation system. Success Criteria: Demonstration of the DC prototype separation system test as described in the test plan. Table 8 |
|
February |
| Milestone 9: Preliminary Design Review
Description: Conduct Preliminary Design Review (PDR). SNC shall present a briefing of the preliminary Dream Chaser design. SNC shall provide NASA a hard copy of the presentation materials and responses to NASA questions concerning system preliminary design. Success Criteria: Meet criteria specified in the SNC Preliminary Design Review Entrance and Success Criteria. (Table 9) |
|
May 2012 |
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