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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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can i make a pressure cooker?
    #1255033 -

ok, please read the whole post before flaming me

Understanding Certain Concepts:
When water is at a boiling temperature, itll turn into a gaseous state. When it does so, it expands. The water droplet, and its gaseous counterpart will contain the same amount of H2O, thus making the gaseous bubble less dense than the water droplet it formed from. As the water droplets expand, they increase the pressure in the pot they're in, until the pressure escapes through the lid.

this is how a pressure cooker works. The lid is sealed to the pot, so the pressure can't escape. The water cant vaporize as well, because it needs to expand to do so. Thus, the water temperature will be able to supercede 212F.

I was wondering, one may be able to construct a pressure cooker. Using a standard metal pot, lid, water, and weight. Simply put water in pot, put lid on top, then a weight of a certain....well....weight. As the water hits 212F, the weight will make the lid not release the pressure.

A few points to consider
- if the pressure gets too high, the jars may bust. If the lids on the jars are loose, i dont foresee this being a problem.
-Experimenting will be of the highest value. This can determine the best size weight which will give way(along with the lid) to allow some pressure to escape. This will make a pressure regulator
-Another possible pressure restrictor, is to simply use a large size hose clamp, or any other appropriately sized adjustable harness. This will, however not be able to regulate pressure. Experimentation will be of further value here.

The experiment. Ihavent experimented, nor will be able to any time soon. Perhaps someone with free time could. Whether or not you have a pressure cooker, or need any sterilized grain, really doesnt matter.

this would help those of us without the money for a pressure cooker, or still live w/ parents, and dont want to arise suspicion by randomly purchasing one.

thoughts, suggestions, critiques welcome

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255041 -

just go buy one

its safer, its made for pressure cooking, and more durable.

They're only 20-40 dollars US.

u might be able to find one used at a thrift shop, i have seen several.

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255046 -

Prob b cheaper n the long run to just buy a small 1.
Some places rent them from what i have heard.


--------------------

You may say Im a dreamer,
but Im not the only one,
I hope some day you'll join us,
And the world will live as one.


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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255050 -

I think trying to make a PC with anything like a hose clamp as suggested is akin to making a hand grenade in your kitchen. I certainly would not try it without some sort of pressure relief valve involved. just my .02. Be safe and good luck.


--------------------


The above statements are just the incoherent babblings of your friendly neighborhood Cracker!

Shur drinkin kils brane sells--but only the week ones!!

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Re: can i make a pressure cooker? [Re: Fred Garvin]
    #1255080 -

making a hand grenade would probably be safer

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255087 -

Hi minty! This made me chuckle (possibly a hangover from 4g cambos last night!  :cool:)

Ever heard of the Darwin awards? The fact that you mention parents makes me squirm at this idea.
Nice knowin' ya!

:grin:shirl
xx


--------------------
buh

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Re: can i make a pressure cooker? [Re: shirley knott]
    #1255187 -

http://missvickie.com/library/history.html


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mushroom culture history making ...Mr. Allan is the best .....

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Re: can i make a pressure cooker? [Re: shirley knott]
    #1255202 -

shroomologist, 20-40 dollars us you say? i have yet to see one under 140 US. if anyone has any links to cheap pressure cookers, i would appreciate it.


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Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.
-Albert Einstein

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Re: can i make a pressure cooker? [Re: mike]
    #1255210 -

Visit Wallymart, and also scour yard sales and thrift stores. I've found more PC's for cheap than I can shake a stick at.


--------------------


The above statements are just the incoherent babblings of your friendly neighborhood Cracker!

Shur drinkin kils brane sells--but only the week ones!!

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Re: can i make a pressure cooker? [Re: mike]
    #1255219 -

www.walmart.com

go there, they have em

i got one that fit 10 1/2 pint jars for $35

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Re: can i make a pressure cooker? [Re: mike]
    #1255222 -

Get it on Ebay! 

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Re: can i make a pressure cooker? [Re: Taz_Khmer]
    #1255233 -

thanks a ton. . . .and let me just mention just how valuble this place it to me. I LOVE ALL OF YOU!


--------------------
Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.
-Albert Einstein

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Re: can i make a pressure cooker? [Re: mike]
    #1255331 -

http://www.redhillgeneralstore.com/maitrescooker.htm


TADA! 12 quart for 53 bucks. i baught this thing and its big enough to fit like 20 half pint jars. these people ship fast as well...


cheapest decent one i could find


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That's not pretty cool.

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Re: can i make a pressure cooker? [Re: SoulJah2]
    #1255438 -

radical, that is a good source for all in need of a PC. thanks again.


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Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.
-Albert Einstein

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255778 -

Dont even think about trying to build your own steam boiler!! I saw a electric pc at Target the other day for 40$. That should make the dorm dwellers jump fer joy. :smirk:


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I felt a warm warm breeze that melted metal and steele

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255883 -

Yes....you may get hurt testing it but yes, here are your major obsticals:

1 determine the weight thats needed to keep the lid on the pot.
2. Making sure you have some sort of overpressure plug.
3. determining what pressure you have achieved at any given time
4. Blowing yourself up in the proscess of testing.
5. being laughed at (or about, posthumusly), because you blew yourself up
6. everyone calling you a fool for trying to make such a device.

the amount of metal you would need isnt supplied in normal cookware, most would split around the bottom or down the side once you get aroung 7 or 8 psi.
Calphalon and other hard anodized cookware might have an advantage but after paying $140 for good cookware....you could have bought a Pressure Canner.

Sorry man...usualy trying to improvise dangerous equipment is extremely costly.

Prisoner#1


--------------------
California Has Legalized Child Prostitution

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Re: can i make a pressure cooker? [Re: Anonymous]
    #1255922 -

Heat is nothing to fuck around with man, goof this up and you could end up with one of these:




Thats my hand from the wood stove, Pressurized steam is much worse

-Loop


--------------------
Pack-tight, midnight, ship it to tha coast.
Some take tha plane, you, you on tha boat,
right beside tha money which right beside tha coke
Passin by tha coastgaurd, right under their nose.

To the US-HEY where anyone can getny, MIA all the way to New Your city, you a twenty now....

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Re: can i make a pressure cooker? [Re: Loop_Theorist]
    #1259877 -

I had one pop on me when I was about 17...my moms old
mirro....rubber gasket failed and the top came off it knocking
me out was the only thing that kept me from getting hurt

Prisoner#1


--------------------
California Has Legalized Child Prostitution

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Re: can i make a pressure cooker? [Re: Prisoner#1]
    #1260701 -

when most people talk of pcs exploding they didnt, the safety valve blew off. making your own is very dangerous. huge amounts of energy are stored up and released in a split second. thick steel can be torn apart like paper. ever see a can of beans thrown on a fire exploding? BTW you have to get the air out the pc too

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