Interstellar Travel - Manufacturing

One vital aspect of any generational ship is going to be the ability to create/manufacture new items to replace old, worn out parts and equipment. Some basic items should be easy enough - tools, nails, screws, plating, etc - any simple metal or composite items. Some things require far more in the way of planning and specialized equipment, such as computer chips, monitors, and medical devices.

So how to address this?

Here is a partial list of items that will need to be manufactured:
  • Semiconductors
  • Plastic (for a variety of needs)
  • Light bulbs
  • Tool and Die equipment
  • Rubber gaskets
  • Blowtorch
  • Glass containers and other products
  • Speaker systems
  • Sealant and glues
  • Color dye
  • Brushes
This is just a short list for illustrative purposes. There are many things that will need to be made. This means raw materials must be brought with, and plans to create all these things. What happens if the computer system dies and new parts need to be manufactured? Backup copies of all vital information must be brought along in hardcopy format (e.g. books).

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