Testing

Stage one of testing has started as of December 29th 2016!

Below is a breakdown of what each stage will involve.  A list of tasks to be completed before the launch can be found here.



Red is not started.
Orange is underway.
Green is a compete.



Stage One


  • Reduce hull pressure close to a full vacuum, testing the structure to a max of 10m below the surface. (completed 10/01/2017) See here
  • Also test for leaks in welds and seals by leaving the vacuum for a few days. (under way as of 10/01/2017)



Stage Two

  • Clean inside the hull. (10/01/2017)
  • Install water system.
  • Setup a sealed 44 gallon drum next to the sub full of water and used to flood the internal water system, and pressurized to various water depths.
  • Install air system.
  • Testing the air system for leaks.
  • Testing the operation ballast and trim tanks.
  • This will also involve testing all the electronics and computer.
  • Test for any new leaks by depressurizing the hull again, but only to about one or two meters.


Stage Three

  • Test the launch and retrieval of the trailer.


Stage Four


  • Actual launch testing in a dam.
  • Dive test.
  • Maneuverability & speed test.