Vacuum Chamber - spacecraft-design-lab-2019/documentation GitHub Wiki
Objective: Have a bell jar available for testing at vacuum that all teams can use to test hardware.
Desired: sub 2 Torr = 2000 Microns Of Mercury (µmHg)
Bulkhead Connections (embed wires, leave connectors free either side)
- 2x XT60 M-F
- For individual battery test
- Need to make 2x (1x) JST-PH Male - (1x) XT60 Female jumpers to connect batteries to bulkhead
- 2x JST-XH 6S balance connectors
- For grouping and balancing batteries under test
- Need to make 2x (6x) JST-PH Male - (1x) JST-XH 6S Female jumpers to connect multiple batteries in series
- 1x Thermocouple M-F (yellow connectors)
BOM
| Part/Link | Part | Price | Purchased? (Y/N) | Description |
|---|---|---|---|---|
| 1162C50 | Full Kit | $1,136.22 | Y | Ultimate vacuum 25 microns, includes pump, connectors, bell jar. |
| S05535 | Vacuum Plate | $283.00 | Y | Vacuum plate with sockets for power connection. |
- Bell Jar Comparison Spreadsheet
- Total price: $1,419.22
Assembly
- Drill a hole into acrylic vacuum plate
- Cut a USB cable wire
- String one half of the USB cable in through the drilled hole
- Solder the wire back together
- Epoxy the hole and the USB cable where the two meet