I've got 2 identical propane setups ready to test, and we're slated to be a high of 15F on Thursday.  2000w Dual fuel generators, and full 30lb tanks.  I'm interested to see if a 120W heater blanket on 1 30lb tank is enough to keep it running if the other one shuts down.

On 12/9/2024 10:40 AM, Mark Radabaugh wrote:
Looked at Propane as a backup for our data center and its 125KVA generator.

I believe I calculated needing three 1000 gallon tanks as -10F or something goofy like that to get enough vapor flow. Other option was a propane vaporizer that burned propane to vaporize liquid.

Yeah, just went with a diesel base tank.

Mark

On Dec 7, 2024, at 12:03 AM, Chuck <ch...@go-mtc.com> wrote:

It is the lack of sufficient vapor, and it is a thermal runaway situation with small tanks.
Sent from my iPhone

On Dec 6, 2024, at 8:13 PM, Ken Hohhof <khoh...@kwom.com> wrote:

So is the problem ice or liquified propane in the hose and regulator?

Or insuffient vapor pressure in the cold tank? Noting that vaporization will make the tank contents even colder.

---- Original Message ----
From: "Robert"
Sent: 12/6/2024 8:46:32 PM
To: af@af.afmug.com
Subject: Re: [AFMUG] Propane and Low temps

https://www.amazon.com/gp/product/B06XG9DN74/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

On 12/6/24 6:03 PM, TJ Trout wrote:
What about those wires that you wrap around a pipe and it kicks in a bit of heat when it gets below 32 or whatever, wrap the regulator and feed line

On Fri, Dec 6, 2024, 5:27?PM Robert <i...@avantwireless.com> wrote:

    One of my customers built a solar concentrator to break water
    down by high temps.   They could do it but separating the
    gasses was the bugger that kept them from making a successful
    process...

    On 12/6/24 2:39 PM, ch...@go-mtc.com wrote:
    So if you had a hydrolyzer and compressor, you could make and
    store your own hydrogen.
    *From:* Carl Peterson
    *Sent:* Friday, December 6, 2024 3:28 PM
    *To:* AnimalFarm Microwave Users Group
    *Subject:* Re: [AFMUG] Propane and Low temps
    /"For reference, this past year I’ve been charged $4.90/gal
    and $1.15/lb at two different local places to refill 20 and 30
    lb portable tanks."/
    That is like quoting the cost of electricity based on what it
    costs at a DC fast charger.  Has more to do with delivery
    costs to move it into your tank than it has to do with the
    cost of propane which is like sub $2 a gal in MN right now.

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