Re: Unmanned test dives, a safty question

[Alan Long <subview@mediaone.net>]

Jon,

Silly question but, just exactly how close were the divers to the sub as it
went down ?
What is a safe distance if at all.  If the sub gives... BIG BADA BOOM !!!
Safty first !!!



Jonathan Shawl wrote:

> EdwMullin@aol.com wrote:
>
> > How does someone dive their submersible, unmanned, for testing purposes?
>
> I think a barge with a crane is the best way .  I tied on a 1/2 nylon line
> and added extra weights to replace me. Then with divers and a video camera
> (optional), we lowered it down to 140' (the bottom). Then the divers put a
> little air in the ballast tanks and it surfaced.
> SAFETY NOTE: Remember it will fall fast if it implodes on the way down, so
> don't get yourself or the boat tangled to the line! This line was to mark
> the sub's location if it failed.
> Jon Shawl