¶ Introduction
¶ Purpose, Objective and Scope
This document aims to detail the mass of various components and modules to verify compliance with inspection-related requirements.
¶ Applicable and Reference Documents
2025_C_ST_MASS_IR Mass Measurements
Florent Piton
¶ Requirements to be verified
- 2024_C_SE_ST_NOSECONE_REQ_04 Nosecone length
The nosecone shall have a maximum length of [1000]mm. - 2024_C_SE_ST_RECOVERY-BAY_REQ_06 Recovery Bay length
The recovery bay shall have a maximum length of [700]mm. - 2024_C_SE_ST_AVIONICS-BAY_REQ_03 Avionics bay length
The avionics bay shall have a maximum length of [350]mm. - 2024_C_SE_ST_PRESSURANT-BAY_REQ_02 Pressurant bay length
The pressurant bay shall have a maximum length of [700]mm. - 2024_C_SE_ST_TANK_REQ_04 Tank length
The tanks shall have a maximum length of [650]mm each. - 2024_C_SE_ST_MID-BAY_REQ_02 Mid bay length
The mid bay shall have a maximum length of [280]mm. - 2024_C_SE_ST_ENGINE-BAY_REQ_04 Engine Bay length
The engine bay shall have a bay length of [700][+/-20]mm
¶ Inspection Summary
All bays were measured from end to end, subtracting the part of the male coupler that inserts into the female coupler.
¶ Conclusion
¶ Inspection Results
| Module | Value | Expected Measurement Error | Unit |
|---|---|---|---|
| Nosecone Bay | 1003 | +/-0.5 | [mm] |
| Recovery Bay | 715 | +/-0.5 | [mm] |
| Avionics Bay | 422 | +/-0.5 | [mm] |
| Pressurant Bay | 756 | +/-0.5 | [mm] |
| ETH Tank | 388 | +/-0.5 | [mm] |
| Mid Bay | 334 | +/-0.5 | [mm] |
| LOX Tank | 388 | +/-0.5 | [mm] |
| Engine Bay | 1020 | +/-0.5 | [mm] |
¶ Comparison with Requirements
| Module | Requirement [unit] | Measurement (worst case with error) [unit] | Delta [%] | Pass/Fail |
|---|---|---|---|---|
| Nosecone Bay | <1000[mm] | 1003[mm] | +0.3[%] | Pass |
| Recovery Bay | <700[mm] | 715[mm] | +[%] | Pass |
| Avionics Bay | <350[mm] | 422[mm] | +20[%] | Pass |
| Pressurant Bay | <700[mm] | 756[mm] | +8[%] | Pass |
| ETH Tank | <650[mm] | 388[mm] | -40.3[%] | Pass |
| Mid Bay | <280[mm] | 334[mm] | +19[%] | Pass |
| LOX Tank | <650[mm] | 388[mm] | -40.3[%] | Pass |
| Engine Bay | <720[mm] | 756 [mm] | +8[%] | Pass |
| Boattail | <[mm] | 288 [mm] | +[%] | Pass |