BOMwiki the bill-of-materials encyclopedia 29,759,735 parts mapped · 146,895 items

Second Stage Assembly

The one part of the stack that is still thrown away: a single vacuum engine and short tank section that take over near 2 km/s and push the payload to orbital velocity. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Build & assembly graph

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Bill of materials

4 top-level lines · 57 rows shown · 166,533 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Vacuum Engine 8 parts reusable-launch-vehicle-vacuum-engine 1 54,035 assembly
1.1 Turbopump 6 parts orbital-launch-vehicle-turbopump 1 55 assembly
1.1.1 Pump Impeller orbital-launch-vehicle-pump-impeller 2 · part
1.1.2 Pump Inducer orbital-launch-vehicle-pump-inducer 2 · part
1.1.3 Turbine Wheel orbital-launch-vehicle-turbine-wheel 1 · part
1.1.4 Ball Bearing ball-bearing 4 · part
1.1.5 O-Ring Set oring-set 6 · part
1.1.6 Fastener Set fastener-set 40× 40 · part
1.2 Thrust Chamber & Nozzle orbital-launch-vehicle-thrust-chamber 1 · part
1.3 Nozzle Extension orbital-launch-vehicle-nozzle-extension 1 · part
1.4 Pintle Injector 5 parts reusable-launch-vehicle-pintle-injector 1 31 assembly
1.4.1 Pintle Post reusable-launch-vehicle-pintle-post 1 · part
1.4.2 Pintle Fuel Sleeve reusable-launch-vehicle-pintle-sleeve 1 · part
1.4.3 Injector Manifold reusable-launch-vehicle-injector-manifold 1 · part
1.4.4 O-Ring Set oring-set 4 · part
1.4.5 Fastener Set fastener-set 24× 24 · part
1.5 Engine Valve orbital-launch-vehicle-engine-valve 6 · part
1.6 Multi-Start Ignition System 4 parts reusable-launch-vehicle-multistart-ignition 1 10 assembly
1.6.1 TEA-TEB Ampoule reusable-launch-vehicle-teateb-ampoule 3 · part
1.6.2 Ignition Manifold reusable-launch-vehicle-ignition-manifold 1 · part
1.6.3 Propellant Valve orbital-launch-vehicle-propellant-valve 4 · part
1.6.4 Relay relay 2 · part
1.7 Engine Controller 5 parts orbital-launch-vehicle-engine-controller 1 1,846 assembly
1.7.1 Bare PCB pcb-bare 2 · part
1.7.2 Microcontroller mcu 2 · part
1.7.3 SMD Passive (R/C/L) smd-passives 1800× 1,800 · part
1.7.4 Connector connector 30× 30 · part
1.7.5 Pressure Sensor pressure-sensor 12× 12 · part
1.8 Engine Plumbing & Hardware 6 parts orbital-launch-vehicle-engine-plumbing 1 52,085 assembly
1.8.1 Engine Gimbal Actuator orbital-launch-vehicle-gimbal-actuator 2 · part
1.8.2 Torch Igniter orbital-launch-vehicle-igniter 2 · part
1.8.3 Engine Heat Exchanger orbital-launch-vehicle-heat-exchanger 1 · part
1.8.4 Engine Line orbital-launch-vehicle-engine-line 80× 80 · part
1.8.5 Brazed Joint orbital-launch-vehicle-brazed-joint 40000× 40,000 · part
1.8.6 Tube Fitting orbital-launch-vehicle-tube-fitting 12000× 12,000 · part
2 Second-Stage Tank 5 parts reusable-launch-vehicle-upper-tank 1 110,017 assembly
2.1 Tank Barrel Panel orbital-launch-vehicle-tank-barrel-panel 4 · part
2.2 Tank Dome orbital-launch-vehicle-tank-dome 3 · part
2.3 Slosh Baffle orbital-launch-vehicle-slosh-baffle 6 · part
2.4 Structural Fastener orbital-launch-vehicle-structural-fastener 110000× 110,000 · part
2.5 Pressure Sensor pressure-sensor 4 · part
3 Propellant Feed System 6 parts orbital-launch-vehicle-feed-system 1 2,461 assembly
3.1 Propellant Feed Line orbital-launch-vehicle-feed-line 4 · part
3.2 Propellant Valve orbital-launch-vehicle-propellant-valve 14× 14 · part
3.3 Pogo Accumulator orbital-launch-vehicle-pogo-accumulator 1 · part
3.4 Pressurization System 5 parts orbital-launch-vehicle-pressurization-system 1 38 assembly
3.4.1 COPV Pressure Vessel orbital-launch-vehicle-copv 4 · part
3.4.2 Pressure Regulator orbital-launch-vehicle-pressure-regulator 2 · part
3.4.3 Check Valve orbital-launch-vehicle-check-valve 6 · part
3.4.4 Helium Line orbital-launch-vehicle-helium-line 20× 20 · part
3.4.5 Pressure Sensor pressure-sensor 6 · part
3.5 Fill & Drain Valve orbital-launch-vehicle-fill-drain-valve 4 · part
3.6 Duct Flange Joint orbital-launch-vehicle-flange-joint 2400× 2,400 · part
4 Reaction Control System 3 parts orbital-launch-vehicle-rcs 1 20 assembly
4.1 Cold-Gas Thruster orbital-launch-vehicle-cold-gas-thruster 8 · part
4.2 COPV Pressure Vessel orbital-launch-vehicle-copv 2 · part
4.3 Propellant Valve orbital-launch-vehicle-propellant-valve 10× 10 · part

Used in 1 assembly

Sourcing: likely vendors

Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks