Join Date: Sep 2007
Location: Pasadena Md - Magothy side
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Re: CO2 fire extinguisher?
CO2 is only effective in suffocating the fire, you need to remove one of the other legs of the fire triangle or it will re-ignite as soon as the CO2 dissipates. Any engine compartment fire has the potential to be a type a, b, and c fire (structure, fuel and electrical).
Turning off your power at the main switch in a electrical fire immediately shuts down the ability to communicate outward that you are experiencing a fire, and has a 50/50 chance of making you fight the fire in the dark - nevertheless in all cases it should be done immediately - even if you are sure it's a fuel fire. That's because the fuel fire may have caused an electrical fire.
Only when the fire is out should you restore power, and do that with a extinguisher in your hand.
Fiberglass fire blankets are great tools for firefighting on a boat, if kept handy. You can use it as a shield and approach the fire, then snuff it, and keep it snuffed.
As has been discussed, PKP (chemical) is a nasty bit of work to clean up.
Beats burning to death though. Depending on space / budget and and risk aversion levels you should keep every option you can, and know how to use them.
I also gained way too much experience fighting fires in the Navy; including duty as the repair party officer for repair 1 forward on the America the night the JP5 blew and took three lives, and again the night the bridge burned.
Lessons learned are opportunities earned.