Posted by The Daring Dufas on June 26, 2010, 8:05 am
On 6/26/2010 6:32 AM, vaughn wrote:
>> No chance except in very hot conditions. The latent heat requirements
>> of the propane soon cool the tank down to a point were the gas won't
>> vapourise off.
> That is a huge overstatement. If what you say were true, then nobody would
use
> vapor directly from a propane tank. But actually vapor withdrawal is the most
> common method!. How much gas you can draw from a given propane tank depends on
> the tank's size and the outside temperature. Scroll down on this page for a
> table that gives you the maximum BTUs based on tank size and outside
> temperature. http://www.propane-generators.com/propane_usage.htm
> I can connect a 20# BBQ tank to my 4000 watt generator at full load and the
tank
> will drop perhaps 10 degrees in temperature. I can draw the tank totally empty
> without the slightest concern for tank freeze up. With that same generator
on
> a 100# tank, the cooling is barely detectible. From there, you can do the math
> to extrapolate to the comparatively huge tanks the OP is considering.
> Vaughn
In a very cold climate, the tank could be buried so as to absorb heat
from the ground but I haven't seen it done around here in the Southeast.
Around here, cold is a relative term.
TDD
Posted by m II on June 27, 2010, 10:38 pm
>> there is ONE BIG reason you can't RV tanks on a generator of any size.
>> (10Kw) they are Vapor withdraw type tanks and they don't have enough
>> surface area to allow the propane liquid to boil off into gas, without
>> freezing up the tank.... duh... anyone who has ever tried it knows
>> this...
> Huh? The OP was asking about 2-1000 gallon tanks. That is plenty of
> surface area unless we are talking about sub-zero temperatures. The flow
> capacity of the regulator is a bigger concern.
> Vaughn
Just killfilter that idiot. I did years ago.
Mike
Posted by m II on June 27, 2010, 11:15 pm
>> there is ONE BIG reason you can't RV tanks on a generator of any size.
>> (10Kw) they are Vapor withdraw type tanks and they don't have enough
>> surface area to allow the propane liquid to boil off into gas, without
>> freezing up the tank.... duh... anyone who has ever tried it knows
>> this...
> Huh? The OP was asking about 2-1000 gallon tanks. That is plenty of
> surface area unless we are talking about sub-zero temperatures. The flow
> capacity of the regulator is a bigger concern.
> Vaughn
Just killfilter that idiot. I did years ago.
Mike
Posted by m II on June 28, 2010, 6:26 am
Bemuddle Mike. I did years ago.
Mike has is a soft touch.
Soft brain with a soft ass!
LOL
LOL
LOL
Josepi
>> there is ONE BIG reason you can't RV tanks on a generator of any size.
>> (10Kw) they are Vapor withdraw type tanks and they don't have enough
>> surface area to allow the propane liquid to boil off into gas, without
>> freezing up the tank.... duh... anyone who has ever tried it knows
>> this...
> Huh? The OP was asking about 2-1000 gallon tanks. That is plenty of
> surface area unless we are talking about sub-zero temperatures. The flow
> capacity of the regulator is a bigger concern.
> Vaughn
Just killfilter that idiot. I did years ago.
Mike
Posted by m II on June 28, 2010, 6:34 am
Embrace Mike. I did years ago.
Mike has a soft kiss!
LOL
LOL
LOL
Josepi
>> there is ONE BIG reason you can't RV tanks on a generator of any size.
>> (10Kw) they are Vapor withdraw type tanks and they don't have enough
>> surface area to allow the propane liquid to boil off into gas, without
>> freezing up the tank.... duh... anyone who has ever tried it knows
>> this...
> Huh? The OP was asking about 2-1000 gallon tanks. That is plenty of
> surface area unless we are talking about sub-zero temperatures. The flow
> capacity of the regulator is a bigger concern.
> Vaughn
Just killfilter that idiot. I did years ago.
Mike
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>> of the propane soon cool the tank down to a point were the gas won't
>> vapourise off.
> That is a huge overstatement. If what you say were true, then nobody would