¶ 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_LENGTH_IR Length Measurements
Florent Piton
¶ Requirements to be verified
- 2024_C_SE_ST_NOSECONE_REQ_07 Nosecone structure mass
The total mass of the nosecone structure shall not exceed [3200]g. - 2024_C_SE_ST_RECOVERY-BAY_REQ_09 RE structure mass
The total mass of the RE bay structure shall be maximum [6000]g recovery. - 2024_C_SE_ST_COUPLER_REQ_05 Coupler Mass
The whole Coupler's assembly shall weigh less than [1200]g. - 2024_C_SE_ST_AVIONICS-BAY_REQ_05 Avionics bay structure mass
The total mass of the avionics bay structure shall be maximum [6000]g. - 2024_C_SE_ST_PRESSURANT-BAY_REQ_04 Pressurant bay structure mass
The total mass of the pressurant bay structure shall be maximum [6000]g. - 2024_C_SE_ST_TANK_REQ_07 Tank mass
The total mass of the tank module shall be maximum [10100]g. - 2024_C_SE_ST_MID-BAY_REQ_04 Mid bay structure mass
The total mass of the mid bay structure shall be maximum [3800]g. - 2024_C_SE_ST_AEROCOVER_REQ_02 Aerocover structural mass
The structural mass of the aerocover shall not exceed [1000]g. - 2024_C_SE_ST_ENGINE-BAY_REQ_11 Engine bay structure mass
The total mass of the Engine Bay structure shall be maximum [7000]g.
¶ Inspection Summary
The measurements were taken using a scale accurate to 0.5g.
¶ Inspection Process
- Analog weight
¶ Conclusions
| Module | Value | Expected Measurement Error | Unit |
|---|---|---|---|
| Nosecone Bay | 1855 | +/-0.5 | [g] |
| Recovery Bay | 3258.5 | +/-0.5 | [g] |
| Avionics Bay | 5110.3 | +/-0.5 | [g] |
| Pressurant Bay | 4257.8 | +/-0.5 | [g] |
| ETH Tank | 8300 | +/-0.5 | [g] |
| Mid Bay | 2665.7 | +/-0.5 | [g] |
| LOX Tank | 8300 | +/-0.5 | [g] |
| Engine Bay | 9100 | +/-0.5 | [g] |
| Aerocover | 160 | +/-0.5 | [g] |
¶ Comparison with Requirements
| Module | Requirement [unit] | Measurement (worst case with error) [unit] | Delta [%] | Pass/Fail |
|---|---|---|---|---|
| Nosecone Bay | <3200[g] | 1855.5[g] | -42[%] | Pass |
| Recovery Bay | <6000[g] | 3259[g] | -45[%] | Pass |
| Avionics Bay | <6000[g] | 5110.8[g] | -14.8[%] | Pass |
| Pressurant Bay | <6000[g] | 4258.3[g] | -29[%] | Pass |
| ETH Tank | <10100[g] | 8300.5[g] | -17.8[%] | Pass |
| Mid Bay | <3800[g] | 2666.2[g] | -29.8[%] | Pass |
| LOX Tank | <10100[g] | 8300.5[g] | -17.8[%] | Pass |
| Engine Bay | <7000[g] | 9100 [g] | +30[%] | Pass |
| Aerocover | <1000[g] | 160 [g] | -84[%] | Pass |