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

[Lew Clayman <lew_clayman@yahoo.com>]

--- 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.


=====
"Yo no soy marinero / Soy capitan"
          - Traditional Mexican Lyric (La Bamba)
=====

__________________________________________________
Do You Yahoo!?
Send instant messages & get email alerts with Yahoo! Messenger.
http://im.yahoo.com/