[DeTomaso] A new 56,000 pound Pantera tool

[gow2 at rc-tech.net]

Obviously I was not there nor were you... but he said they cut down
pressure which I assume he meant volume. Just the same a radiator is
already designed to flow large volume.

Unless he had a pressure gauge on the radiator I doubt anyone really knows
what the pressure was so it really doesn't mean much!

Recomending that as an option, when there was a low flow and no
restrictions would be a hard thing to recomend as the next person does it
slightly different blowing out the tubes.



> How could water of any reasonable volume ( much less that simply required
> to
> fill out an actual fire hose) going into a radiator NOT be restricted,
> unless the cooling tubes were gi normous.
>
> I still vote that the fluidyne earned some respect in this instance, not
> too
> many people would hook a fire hose up to an aluminum radiator and not
> blow the darn thing apart.
>
> So whether it was the Power of a Portly Pekingese Peeing or the full force
> of a Hudson River Fire Boat, I think it's neat that it held together.
>
> Michael
>
>
>
>
>
> On Thu, Sep 30, 2010 at 4:06 PM, <gow2 at rc-tech.net> wrote:
>
>> High PSI going into a radiator does not necessarily mean the radiator
>> sustains the same PSI. If volume is limited and flow is not restricted
>> pressure will be a minimum; just like trying to fill air in a tire which
>> has a 1" hole with 100psi of air. It will never get to 5 psi with a 1"
>> hole.
>>
>> While I would never go on a public forum and present such a think as an
>> actual viable option it is very cool!
>>
>> G
>>
>>
>> > In a message dated 9/30/10 12:27:33 PM, MikeLDrew at aol.com writes:
>> >
>> >> That said, I'd be surprised if any radiator could withstand massive
>> >> pressure, and would imagine that the fire hose was throttled back
>> more
>> >> than a
>> >> bit (which is the smart thing to do).
>> >>
>> >
>> > KIrby's right- somewhere around 25 psi shoved into a radiator will
>> balloon
>> > the cooling tubes, cutting down or eliminating air flow between the
>> tubes
>> > and thru the core and resulting in overheatong without causing a leak.
>> > Above
>> > around 30 psi, something will usually rupture. Running a 22 or 25-lb
>> > NASCAR
>> > thermostat on a street engine to overcome boiling problems can do
>> this. I
>> > ran
>> > a photo in the POCA newsletter a couple of years ago of the results of
>> a
>> > blown head gasket on an aluminum radiator. The pressure increase from
>> > combustion gasses leaking into the cooling system of a running engine
>> > wrecked the
>> > nearly-new aluminum radiator without causing a leak. In another case,
>> a
>> > crewman used a high pressure building washer to blast rubber and track
>> > debris out
>> > of the core of a dirt track racer's radiator. That flattened the edges
>> of
>> > the tubes enough to cause overheating, too. Those things are FRAGIILE!
>> > FWIW- J
>> > DeRyke
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>
> --
>
>
>
>
>
>
>
> Michael L. Shortt
> Savannah, Georgia
> www.michaelshortt.com
> michael at michaelshortt.com
> 912-232-9390
>
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