Re: O/T: Using a trash pump on a firefighting rig?

Posted by Glen in TX on May 04, 2007 at 21:47:28 from (208.246.9.16):

In Reply to: O/T: Using a trash pump on a firefighting rig? posted by Blue3992 (N Illinois) on May 04, 2007 at 19:11:41:

I had 9 hp Wisconsin 2" pump with some 2" hose and had it on trailer for that with about a 500 gallon tank before we had fire dept. out here. It worked fine for even hay fires and I had one of those cheap plastic fire nozzles on end of 2" hose. 5-6 hp is kind of small and you really need to think of 10 hp or more if you want enough volume for putting out fire. I've been a firefighter for over 15 years and we don't put out fires with pressure anymore and that's old hat everyone has realized you need more water volume not pressure blowing more air into the fire. More air makes more fire but more water cools it faster putting it out! Something with volume will put more out end of hose than you think and try a local fire extinguisher place for those cheaper red plastic adjustable nozzles that go from fog to straight stream or just use a straight bore nozzle with a valve on it. It will work for what you are wanting but not for entering a structure or where lives can be in danger. For that you need lots more volume to be safe. Higher pressure pumps will need a bypass or water can get hot when not circulating. Hot enough to scald someone so be careful and think about a bypass.

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