Go Back   This Blue Marble, a Global Current Events Discussion Forum > Our Homestead > Preparedness

Preparedness Join us to discuss all aspects of preparedness.

Reply
 
Thread Tools Search this Thread Display Modes
Old 11-04-2016, 09:04 AM   #1
blue gecko
Simplify, Do or Die
 
blue gecko's Avatar
 
Join Date: Aug 2008
Location: Arkansas
Posts: 10,518
Thanks: 2,340
Thanked 4,172 Times in 1,723 Posts
Default Freezer Tip

What a great idea!

http://shareably.net/quarter-cup-fre...mpaign =diycp

Emergencies are unpredictable. In this chaotic and stressful time, it pays off to have some practical knowledge on hand.
Thanks to Ms. Sheila Pulanco Russell from Lumberton, North Carolina, we all can feel a little safer with this practical survival tip she shared.
Simply titled “The One Cup Tip,”*the three main elements are a quarter, a cup of water, and a freezer.


Directions:
Place a cup of water in your freezer.
Freeze the water until it is solid, and then put a quarter on top of the frozen water and return it to your freezer.
Leave it in your freezer.
What does this tip accomplish?
It helps you determine whether or not your food has gone bad, or whether it refroze or stayed frozen while you were away.
For instance, if you return after you have been evacuated and find that the frozen water has melted and the quarter has fallen to the bottom of the cup, you now know that all the food has defrosted and it should be thrown out.
However, if the quarter is either on the top of the frozen cup or in the middle of the cup, then your food may still be okay. The top tells you that the freezer was still in tact the whole time – the middle tells you that your food might have defrosted, but later refrosted when electricity returned.
__________________
Life is short. Break the rules. Forgive quickly.
Kiss slowly. Love truly. Laugh uncontrollably,
and never regret anything that made you smile.


Women are Angels and when someone breaks our wings we simply continue to fly...on a broomstick. We are flexible like that
blue gecko is offline   Reply With Quote
The Following 7 Users Say Thank You to blue gecko For This Useful Post:
AndreaCA (11-04-2016), CajunSunshine (11-05-2016), Exodia (11-04-2016), Feather (11-04-2016), flourbug (11-04-2016), NowVoyager (11-04-2016), Ter (11-04-2016)
Old 11-04-2016, 09:14 AM   #2
Ter
Voluntary Exile
 
Ter's Avatar
 
Join Date: Aug 2008
Posts: 2,152
Thanks: 1,333
Thanked 1,934 Times in 676 Posts
This is a very useful tip for us here because we get a lot of power cuts.
Ter is offline   Reply With Quote
Old 11-04-2016, 09:30 AM   #3
Exodia
Khan of the Golden Horde
 
Exodia's Avatar
 
Join Date: Aug 2008
Location: Southeast PA
Posts: 11,121
Thanks: 2,528
Thanked 4,642 Times in 2,104 Posts
That's a nice easy tool to get a general idea of what has happened in the freezer.

My scientist side will say it's more complicated than that. The mass of the item and the specific heat of the material are what will determine if it thaws or not.

Specific heat: The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. The specific heat of ice is about 2 kJ/kg*K.

At the link there are specific heats listed for many foods (frozen and unfrozen). Since food typically has a lot of water in it, the values tend to be close to that of ice, but for things like meat/cheeses/eggs they can be higher,some requiring 50% more heat than water to change their temperature 1 degree.

http://pcfarina.eng.unipr.it/Public/...20Alimenti.pdf
__________________
"Now, mark my words. So long as we are a young and virtuous people, this instrument will bind us together in mutual interests, mutual welfare, and mutual happiness. But when we become old and corrupt, it will bind us no longer" - Alexander Hamilton about the US Constitution.
Exodia is offline   Reply With Quote
Old 11-04-2016, 02:00 PM   #4
Potemkin
Omne ignotum pro magnifico
 
Potemkin's Avatar
 
Join Date: Aug 2008
Posts: 27,828
Blog Entries: 3
Thanks: 109
Thanked 5,511 Times in 2,752 Posts
Quote:
Originally Posted by Exodia View Post
That's a nice easy tool to get a general idea of what has happened in the freezer.

My scientist side will say it's more complicated than that. The mass of the item and the specific heat of the material are what will determine if it thaws or not.

Specific heat: The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. The specific heat of ice is about 2 kJ/kg*K.

Imprecise.

2.05 kJ/kg-K to 2.108 kJ/kg-K depending on contaminants.

But nothing like experimentation to see if this works. I am going to try it this weekend.

But seriously, the best advice having watched and worried about a freezer during a hurricane is to fill it up all the empty space as much as you can with containers of water. You have to be perceptive enough in advance to get the water frozen hard before the power goes.

A full freezer, with airflow around everything, runs more efficiently anyway. If nothing else you always have a large chunk of ice for a punch bowl, or an Igloo water cask, all the time.
__________________
“The price of freedom is the willingness to do sudden battle anywhere, any time and with utter recklessness.”
― Robert A. Heinlein, The Puppet Masters
Potemkin is offline   Reply With Quote
Old 11-04-2016, 02:04 PM   #5
Exodia
Khan of the Golden Horde
 
Exodia's Avatar
 
Join Date: Aug 2008
Location: Southeast PA
Posts: 11,121
Thanks: 2,528
Thanked 4,642 Times in 2,104 Posts
Quote:
Originally Posted by Potemkin View Post
Imprecise.

2.05 kJ/kg-K to 2.108 kJ/kg-K depending on contaminants.
Note I said about...

Don't get me started on the difference between precision and accuracy.
__________________
"Now, mark my words. So long as we are a young and virtuous people, this instrument will bind us together in mutual interests, mutual welfare, and mutual happiness. But when we become old and corrupt, it will bind us no longer" - Alexander Hamilton about the US Constitution.
Exodia is offline   Reply With Quote
Old 11-04-2016, 02:27 PM   #6
Potemkin
Omne ignotum pro magnifico
 
Potemkin's Avatar
 
Join Date: Aug 2008
Posts: 27,828
Blog Entries: 3
Thanks: 109
Thanked 5,511 Times in 2,752 Posts
Calm down, just kidding around on my day off.

I am in my relaxed persona.
__________________
“The price of freedom is the willingness to do sudden battle anywhere, any time and with utter recklessness.”
― Robert A. Heinlein, The Puppet Masters
Potemkin is offline   Reply With Quote
Old 11-05-2016, 05:37 PM   #7
rb.
Climate Change is FAKE NEWS
 
Join Date: Aug 2008
Posts: 14,444
Thanks: 2,726
Thanked 3,986 Times in 1,877 Posts
Another freezer tip...

If you live somewhere with a cold winter, keep your freezer in an unheated, outdoor shed or garage. Electricity savings, and power outages tend to occur during the colder months due to storms. If it is freezing or below, no fear of loss.
rb. is offline   Reply With Quote
The Following User Says Thank You to rb. For This Useful Post:
Feather (11-05-2016)
Reply

Tags
freezer, tip

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 10:51 PM.


Powered by vBulletin®
Copyright © Jelsoft Enterprises Ltd.