I am looking for some tips.
I need something to start from with my project: the objective is to explore a cave 500 meters below water surface.
I know it’s a very difficult project; it’s currently just in the phase of feasibility study.
The biggest problem is the low budget. The second big problem is that I don’t yet know HOW MUCH low it is…
What I am trying to figure out is:
- how much does it cost a 30-40 cm glass/plexiglass spehere capable of tolerating 50 kg/cm2? Where to buy it?
- how much does it cost a small electric motor capable of pulling a 5-10 kg object underwater at -500m? where to buy it?