Re: [PSUBS-MAILIST] damage control/ was Center of gravity Vs. Center of Bouyancy

[Ed Greany <crest25@attglobal.net>]

I don't think it matters. If you're flooding, you need to take IMMEDIATE
steps to stop the leak/flood.
I don't recall how deep the trainer went if in fact, it had a depth. All
I know is we had pipes all over flooding the compartment and we had to
secure each one or ...????

The wooden plug is probably good for 100 to maybe 200 feet as a pure
guess. Other methods will work deeper.

Ed

Lew Clayman wrote:
> 
> --- Ed Greany <crest25@attglobal.net> wrote:
> 
> Re damage control, it is recommended practice on surface boats to have a wooden plug hanging by  a
> cord from every through-hull.  In the worst case, you pound it in.
> 
> To what depth is this a realistic option?
> 
> > Much of this damage control should be considered with Psubs also. How do
> > you secure a leak if you are submerged? One posting (yesterday?)
> > mentioned a valve on the inside of a thru-hull line being required. That
> > should be an absolute must for all sub builders to consider and do. If
> > an internal valve, pipe, or control fails, how do you control the
> > flooding. Much like your house; if you have a supply line to the toilet
> > fail and the entire bathroom is flooding, how do you control or stop the
> > flooding? First, try the stop valve behind the toilet where the flex
> > line comes out of the wall. Since that valve is rarely used, it probably
> > won't work or it too will break when you try turning it. Next, you go to
> > the main line supply line outside the home where the water enters the
> > house. Secure that valve to turn off not only the toilet supply line but
> > the entire house. If that fails, most properties have a valve on the
> > owner's side of the meter near the street. If not, turn the meter valve
> > off. These are all ways to simply isolate one small water line to the
> > toilet and the same philosophy should be used in building subs.
> 
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