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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29043491 -

I think you absolutely should do the build. I was just offering an set and forget alternative for others that might read this thread and don't have the dollars for the $1500 breville control freak. I'm sure my setup is dependent on the room temperature to be some what consistent tho :smile:


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“All Fungi are edible.

Some fungi are only edible once.”
― Terry Pratchett


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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: Kloakk]
    #29043651 -

id be interested to see exactly what components youre talking about.

ive got a tracking number for my switch at this point so i think ill go ahead and start ordering a couple little fittings and things.  ill wait till i have before i decide on a hotplate.  cadcos look nice but if i can get by with some chinese bullshit from amazon for a minute i might.


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The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

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The Hitchhiker's Guide to the Shroomery

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme] * 1
    #29043774 -

Really not much to see, but sure. I got the 23q induction presto and a 2000W induction hob where I can adjust watt or temperature and it has a timer that will turn the hob off at end of cycle(3 hours max).

With only 2,9 liters(3 quarts) inside the presto it takes the induction hob 8-10 minutes to reach boil. I keep it at high while venting, my rocker has 13 grams(0.4586 oz) of neodyme magnets and will start hiss(barely noticeable) between 16 and 17 PSI.

With induction there's minimal residual heat after adjusting heat so there is no need to cut the heat before pressure is reached. At 16 PSI I turn the hob down to 600W and that will maintain pressure with minimal water evaporation.

Then I set the timer on the hob and could go to sleep if I want.. The hob turn itself off when the timer is done. I just started this hobby and have only used this setup 5 times, but I have never needed to adjust heat and I think this works great.


--------------------
“All Fungi are edible.

Some fungi are only edible once.”
― Terry Pratchett


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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: Kloakk] * 1
    #29046465 -

Welly welly well!  guess what i finally got my mits on?  guess third time really WAS the charm!



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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme] * 3
    #29046505 -

Okay listen i was researching hotplates and so, for anyone who could be following along here and potentially trying to do what im doing or someething similar let me tell you what i found out:

nothing but cadco csr-3t will work for our purposes.  *please*  do not cut corners at this critical point.  you might think youre saving a bunch of money but ask yourself:

"how much would i pay NOT to burn my house down?"

for me that number is well beyond the cost of a cadco which, is a pretty good deal right now if you know where to look. 

the issue is duty cycle.  yes, many appliances including the cuisinart--which is probably a pretty decent kitchen tool--will boil water but you need to look at DUTY CYCLE as per manufacturers specs.  eveything but cadco is rated for 30min max.  *buzz* nope.  we need 2 hrs at a minimum. 

cadco duty cycle is--drumroll, please--EIGHT. FUCKING. HOURS. 

so... thats where the rest of the money goes when buying a hotplate.  the wiring.  the contacts.  the housing.  the e l e m e n t



moral of the story for anyone following along:

cadco or nothing.  if youre going to do stupid shit like beef does, do it with knowledge please.


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The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme] * 2
    #29056860 -



testing testing.  pressurized steam, electricity and mercury.  whats not to like about this idea?


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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29056866 -

looks cool as hell

:ingodshands:


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Learn it, know it, live it


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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: Mackload] * 2
    #29056920 -

Thanks.

prelim testing is complete. all assemblies held up to 18psi.  circuit closed rising until 17psi, opens again falling until 16psi. as per.


as for the comment regarding pressure not being a good measure of temperature, i respectfully disagree.  steam pressure and temp are directly correlated and an almost exact figure can be calculated with the antoine equation.


At any rate, I don't need to know the exact temp.  Knowing the pressure has always worked well.

Moving on to phase two where I add the exicting element of electricity. fear not, im using low voltage (24v) to operate a relay so high voltage will never come in contact with the vessel.

stay tuned.

Edited by BeefExtreme (12/14/24 05:46 PM)

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29057097 -

Hellz yes. I was going to mention duty cycle but it seems you've cleared that hurdle already.
I love this shit. Making and improving tools is my fetish.


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Agar Plates and Removing Hidden Contaminants - A Visual Notebook
Recognizing Contamination in Grain Jars - A Visual Notebook
Contaminated Condiment Cup Cleanup v1.0

Green Cap Pheno Isolation
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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: DV8DUG] * 1
    #29057117 -

ya i figured maybe cuisinart had at at least a few hours of duty but nah.  theyre all garbage.


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The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

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The Hitchhiker's Guide to the Shroomery

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29057196 -

I have a proctor silex 1200w element and I couldn't get even an 8 quart PC to stay anywhere near the temps I wanted. I have discovered that I can boil oats but it has to have a cover for boiling to happen. It's duty cycle is 30 minutes but I ignore that all together.


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Agar Plates and Removing Hidden Contaminants - A Visual Notebook
Recognizing Contamination in Grain Jars - A Visual Notebook
Contaminated Condiment Cup Cleanup v1.0

Green Cap Pheno Isolation
🅃🄴🄰🄼 ​ 🄲🄾🄽🄳🄸🄼🄴🄽🅃 ​ 🄲🅄🄿

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: DV8DUG] * 3
    #29057492 -

Cadco is the only way to go for electric units. I think Y'all will discover that our initial guidance was correct. Compine the appropriate heat source with the appropriate temperature probe and controller to produce the desired results.

But, sometimes the long, hard route is the best teacher.

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: Stipe-n Cap] * 8
    #29057554 -

don't take this the wrong way but if you look back, youll see that i never asked for any guidance.  the theme of this thread was "heres a thing im going to do.  watch me do it"
im well aware of temp probes and pid controllers and heres the thing about that:
i worked with almost that very unit in a greenhouse that was using it for a hydronic propagation chamber, and the temp was actually way off.  i used a thermometer to calibrate the settings.

  i wasnt trying to make something "better" im doing something "else", that *also* works.  its probably difficult to tell if either my gauge or the switch is giving an accurate reading, but ive always erred on the side of redundancy anyway and have always had provable results.  i cant remember the last time i had a shitty jar.

anyway.  also noteworthy, ive ever been the advocate of following communal convention, so youll forgive me this singular deviation.  im just having fun with extra parts i scavanged from work and scored on ebay for pennies on the dollar. 

also, as someone already said, this design looks cool as fuck which was part of the whole appeal for me.  this is *actual* steam punk stuff.  i also like the idea that my design will still fit neatly in a cabinet without needing a whole giant cart and assembly, as i live in a very small apartment. the controller (whis is essentially a handbuilt pid of my own design) will disconnect from  the switch via 1/4" instrument jack which is also my own design. 

i was fully prepared from the beginning to fall flat on my face in failure. 
if theres a single takeaway from the entire thread here to be summarized in three words its

"my own design".

thanks for the input, as always.


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The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

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Edited by BeefExtreme (12/15/24 12:27 PM)

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29058055 -

When you say 1/4" instrument jack, are you talking about a plug like for a guitar?


--------------------
Agar Plates and Removing Hidden Contaminants - A Visual Notebook
Recognizing Contamination in Grain Jars - A Visual Notebook
Contaminated Condiment Cup Cleanup v1.0

Green Cap Pheno Isolation
🅃🄴🄰🄼 ​ 🄲🄾🄽🄳🄸🄼🄴🄽🅃 ​ 🄲🅄🄿

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: DV8DUG] * 2
    #29058109 -

I read your plans and thought they actually seem pretty solid.  Then I read you're gonna do it outside and now I think you're being a wuss about it


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Pastywhyte's easy no pour agar dishes

Stallion Mang’s Ween covers

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme] * 4
    #29058112 -

Much love, beef. Don't mind my aspbergers level insensitivity, brotha.

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: Stipe-n Cap] * 1
    #29058169 -

No worries dude haha.

To answer the question earlier, Yes, I built the guitar cable from hell.  I decided that I wanted to use a removable cable and had a lot of ideas for how that would go but settled on the 1/4" instrument jack because its just such a robust and reliable format. They're literally made for abuse.

So yeah. I made a guitar cable with micah insulated wires and a fiberglass sheath.  Should be rated up to 1200F haha so if i die making this, at least I can still play guitar in hell.



two 18ga micah insulated wires. Heat taped together. 



Heres the output from the relay box. 



Heres the input on the back of the mercoid.  I found these brass plates in the drawers at ace. They're actually lamp parts but they seated perfectly in the 1/2" knockout and mounted the jack perfectly. 



Heres the relay circuits and the inside of the relay box.  If anyone is interested I can draw the wiring diagram. Its really straight forward for what it looks like.



--------------------
The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

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The Hitchhiker's Guide to the Shroomery

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: TheStallionMang] * 1
    #29058172 -

Well Ill have you know stal, I tested it fully indoors.  I cant fully run a cycle yet because guess what, the chinese jacks i bought for 25 cents each are defective and fully shorted so I gotta get some new parts.  Surprise surprise.  But ya, I already did the scary part and tested it at full pressure.  I don't actually worry about the circuit doing what its supposed to. Unlike steam and water and other such unpredictable elements, I prefer the harmony of electricity.  As long as you do it right, it works every time. (unless you try to pinch pennies and buy chinese components)


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The Cultivation Confessional Booth - The OFFICIAL Cultivation Off Topic Discussion

✸-✸-✸

The Hitchhiker's Guide to the Shroomery

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29058180 -

BeefSupremeJr said:
No worries dude haha.

To answer the question earlier, Yes, I built the guitar cable from hell.  I decided that I wanted to use a removable cable and had a lot of ideas for how that would go but settled on the 1/4" instrument jack because its just such a robust and reliable format. They're literally made for abuse.

So yeah. I made a guitar cable with micah insulated wires and a fiberglass sheath.  Should be rated up to 1200F haha so if i die making this, at least I can still play guitar in hell.



two 18ga micah insulated wires. Heat taped together. 



Heres the output from the relay box. 



Heres the input on the back of the mercoid.  I found these brass plates in the drawers at ace. They're actually lamp parts but they seated perfectly in the 1/2" knockout and mounted the jack perfectly. 



Heres the relay circuits and the inside of the relay box.  If anyone is interested I can draw the wiring diagram. Its really straight forward for what it looks like.






--------------------
Agar Plates and Removing Hidden Contaminants - A Visual Notebook
Recognizing Contamination in Grain Jars - A Visual Notebook
Contaminated Condiment Cup Cleanup v1.0

Green Cap Pheno Isolation
🅃🄴🄰🄼 ​ 🄲🄾🄽🄳🄸🄼🄴🄽🅃 ​ 🄲🅄🄿

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Re: Im about to do something potentially dangerous as hell, but ima do it anyway. [Re: BeefExtreme]
    #29058185 -

I'm gonna be that guy.  Just at first, and then I have a possible contribution,

Beef, I'm reading your description of your problem about having to constantly attend to the PC, having the rate vary with your apartment temp and such. 

While you continue to pursue your vision, which I am following with great interest, a somewhat primitive way to reduce the cycling might be to increase the amount of water in the PC, which would give some heat sink.

In my PC, I have a stainless steel trivet sized for the PC, Amazon will provide. I have several two inch stainless bolts, clamped onto that as legs. There is tons of water, so it holds temp well, and won't run out over three hours.

Thus concludes my low tech, redneck engineered approach. And now, for something completely different...


I believe there is a opportunity for improvement in the essence of your current design. As I understand the previous discussion, your switch is intended to control the heating source only.  Of particular note, you don't have a way to manage the beginning process of venting automatically, requiring (IMO, at least) manual attendance at the beginning of the cycle. 

What if you refactored this use of your switch/gauge as a general purpose input to whatever the cool kids are using these days, raspberry or ARM, and used that to control both heat and the valve to create pressure?  If you could do that, you can schedule the entire cycle.

You'd need a solenoid controllable valve, and bits and pieces for whatever platform. 

If this interests you, I have a Raspberry lying around and would be intrigued to discuss further.


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Sadly remembering when the Shroomery wasn't a closed minded mutual admiration society for OCD cargo cultists.  RIP methodical science.

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