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 Lights
Mad scientistextrodionar~
Registered: 07/17/02
Posts: 47
Loc: Aside the rectum
Last seen: 21 years, 6 months
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 Vaccume drying 
#756480 - 07/18/02 01:39 PM (22 years, 2 months ago) |
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Being new here i don't know if any one has mentioned this before. A few weeks ago someone came to town with a bunch of wet Cubes. Well i took some of these to work and threw them in a vaccume dessicator and applied 29" of vac. This was allowed to sit overnight. When I returned in the morning the shrooms were completely dry And had not lost their shape the lesat bit.
For those of you without a professional lab to work in here's what you can do.
Ritchie Sells a vaccume pump for evacuating refrigerant lines. It pulls 15 cfm and pulls ultimate vaccume when new. The beauty of this perticular pump is that it boils water at below room temp. You then need to find an enclosure that will hold up to 29" of vac. Square enclosures do not work. When you have both attach a braided hose from the pump to the enclosure insert shrooms and bammmm their dry.
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 SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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 Re: Vaccume drying [Re: Lights]
#756900 - 07/18/02 04:45 PM (22 years, 2 months ago) |
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You seem to know your stuff about vacum's. Will a vacum pump that will pull a constant one atmosphere (whatever that means) work, even if more time is required? Thanx for any input. SixTango 
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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Joshua
Holoman
Registered: 10/27/98
Posts: 5,398
Loc: The Matrix
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 Re: Vaccume drying [Re: Lights]
#756922 - 07/18/02 04:54 PM (22 years, 2 months ago) |
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What is the price on the vacuum pump you speak of/ where can it be found? Do you have any ideas on suitable enclosures?
Joshua
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The Shroomery Bookstore
Great books for inquiring minds!
"Life After Death is Saprophytic!"
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Anonymous
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Re: Vaccume drying [Re: Lights]
#757362 - 07/18/02 07:03 PM (22 years, 2 months ago) |
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- Post History Deleted Upon User's Request -
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SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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Re: Vaccume drying [Re: ]
#757553 - 07/18/02 07:41 PM (22 years, 2 months ago) |
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Joshua,
Check you pvt EM re: vacuum pumps in your area.
SixTango
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: Lights]
#759388 - 07/19/02 01:37 PM (22 years, 2 months ago) |
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29"?
so you had 0 pressure (internal)??
I am not used to inches, I am far more comfortable in torr..
I assume this is a roughing pump, so it could get down to 5-6 torr.. turbomolecular pumps are far too expensive to use in such an application, and I believe that they would be damaged by such a large amount of water passing through them.. An ion pump would be just crazy.. talk about short lifespan..
Does this vacuum dissicator use anything besides evacuation to dry? Any sort of condensor?
btw, square enclosures do work, it just requires a more robust design 
If anyone knows of a cheap (edit: cheap really is an issue, the ones I have seen were very expensive, but their application was different..) pump which can get down to the 10e0 torr range, this could be something which may become quite useful to those who grow large quantities... the only downside I can think of is the $$$..
Cool idea, thanks for bringing it up.
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
Edited by DinoMyc (07/19/02 01:38 PM)
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Alkaloids
3,4,5-trimethoxyphenethylamine
Registered: 11/15/98
Posts: 743
Loc: pubis mons
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Re: Vaccume drying [Re: DinoMyc]
#853614 - 08/30/02 04:10 PM (22 years, 23 days ago) |
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I am quite interested in this also. Has anyone had any additional information since the last post on this?
Do You have a reason for why the pump You specs You wanted are at such a low vacuum? Is 10e0 torr really necessary?
I would like to keep this discussion alive.
come on step lively people.
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GRTUD
INFP
Registered: 01/30/01
Posts: 270
Loc: United States
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 Re: Vaccume drying [Re: Lights]
#855378 - 08/31/02 05:02 PM (22 years, 22 days ago) |
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The problem is getting a suitable containment system, one that opens up so that the cubes can be put inside but then closed again with a suitable mechanical seal that can provide for such a vacuum. BTW I can get the pumps if anyone is interested. I'll pm pricing for the various brands I carry for anyone interested.
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"New shit has come to light..."
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SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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Re: Vaccume drying [Re: GRTUD]
#855429 - 08/31/02 05:44 PM (22 years, 22 days ago) |
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For a containment chamber -- use an AA type PC. Butt wipe simple  to hook up & use. Place a valve between the 2. Run pump to 29 pounds & close the valve. To save the pump from running -- against itself & turning to toast. SixTango 
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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Shaw
Registered: 06/27/01
Posts: 2,263
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Re: Vaccume drying [Re: SixTango]
#855619 - 08/31/02 07:38 PM (22 years, 22 days ago) |
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that'd likely work. a soda keg might also. you can get them at homebrew stores for $30
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badmotofinger
Stranger
Registered: 08/30/02
Posts: 39
Last seen: 18 years, 8 months
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Re: Vaccume drying [Re: SixTango]
#856323 - 09/01/02 06:52 AM (22 years, 21 days ago) |
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what is an AA type pressure cooker?
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Shaw
Registered: 06/27/01
Posts: 2,263
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Re: Vaccume drying [Re: SixTango]
#856516 - 09/01/02 08:41 AM (22 years, 21 days ago) |
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Would a All American produce a perfect seal? It dosn't have a rubber gasket. i would think a standard presto would work better and be smaller anyway. My AA used to hiss out the sides every now and then. dunno if it still does, i havn't been watching for it.
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SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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All American brand. The best there is. Do a web search. SixTango
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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Re: Vaccume drying [Re: Shaw]
#856588 - 09/01/02 09:13 AM (22 years, 21 days ago) |
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If your AA PC hissed out the sides, something about it's metal to metal seal is not kosher.  Clean the contact area - carefully  .
The Raccoon has 941 type (almost 60 years old) & it seals perfectly - time & time again  .
I suppose any with a GOOD tight flexable seal would also work, so long as it had a threaded pressure gauge, you can remove & replace with heavy gauge copper tubing connected to a vaccum pump.
SixTango
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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GRTUD
INFP
Registered: 01/30/01
Posts: 270
Loc: United States
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 Re: Vaccume drying [Re: SixTango]
#859246 - 09/02/02 03:21 PM (22 years, 20 days ago) |
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That is a good idea! Thanks!
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"New shit has come to light..."
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Shaw
Registered: 06/27/01
Posts: 2,263
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Re: Vaccume drying [Re: Lights]
#859415 - 09/02/02 04:42 PM (22 years, 20 days ago) |
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this would be a cool experiment, but wouldn't be useful because in it's fresh expanded state, it would be extreamly brittle. you likely couldn't put them in your pocket without crushing them. For small applications, what's to say a qt. jar wouldn't work. they are vaccume sealed during canning. i wonder what the rating on them is.
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matts
matts
Registered: 01/28/02
Posts: 3,649
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[Re: Shaw]
#860580 - 09/03/02 02:15 AM (22 years, 20 days ago) |
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: matts]
#861000 - 09/03/02 06:08 AM (22 years, 20 days ago) |
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although I have never used a hand pump, I think that there is no way in hell that I would attempt it for this purpose..
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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SixTango
Mycota
Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
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Re: Vaccume drying [Re: DinoMyc]
#861084 - 09/03/02 06:51 AM (22 years, 19 days ago) |
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The Raccoon agree's with DinoMyc SixTango
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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: SixTango]
#861339 - 09/03/02 09:38 AM (22 years, 19 days ago) |
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A friend's lab has something like one of these:
http://www.tescal.com/turbomolpump.htm
I think they run it for a few days before they reach their desired pressure..
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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Joshua
Holoman
Registered: 10/27/98
Posts: 5,398
Loc: The Matrix
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Re: Vaccume drying [Re: SixTango]
#863824 - 09/04/02 02:47 PM (22 years, 18 days ago) |
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Have you hooked up a vacuum chamber yet? If so w/ what kind of results?
Joshua
--------------------
The Shroomery Bookstore
Great books for inquiring minds!
"Life After Death is Saprophytic!"
Edited by Joshua (09/07/02 01:34 PM)
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TripsAreForKids
addict
Registered: 04/23/01
Posts: 465
Loc: Not In The US
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Re: Vaccume drying [Re: SixTango]
#865631 - 09/05/02 01:35 PM (22 years, 17 days ago) |
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In reply to:
For a containment chamber -- use an AA type PC. Butt wipe simple to hook up & use. Place a valve between the 2. Run pump to 29 pounds & close the valve. To save the pump from running -- against itself & turning to toast.
Arent pressure cookers designed to keep pressure in? and not out? Has anyone ACTUALLY tried to hold a vacuum in a pressure cooker?
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Everything posted above was out of fun, none should be taken serious. I am currently under the influence so take that into consideration.
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Shaw
Registered: 06/27/01
Posts: 2,263
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And you think it's going to collapse on its self? That'd take alot of vaccume
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GRTUD
INFP
Registered: 01/30/01
Posts: 270
Loc: United States
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My experiences have shown that a metal to metal seal is probably not a good one for vacuums. There are allot of scientific reasons this is true, not the least of which involves heat, expansion and pressure all increasing in direct proportion to each other (see, Charles' and Boyle's laws, if memory still serves). With that said, constant heating and cooling of a vessel relying on rubber or even asbestos gaskets causes wear and eventually failing of these materials whereas metal to metal surfaces tend to seal Better under these circumstances (of course they have to be machined properly). But vessels that will expand and seal under heat and pressure can leak when placed into a vacuum. My preference would be to buy a new PC (of either type, good quality mind you) and use it specifically for pulling vacuums. I would also tend to believe that a PC with a rubber gasket or other plyable material would be the better choice, but this is strictly a hyphosis as I have no actual experience in this specific case - really! Happy trails!
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"New shit has come to light..."
Edited by GRTUD (09/05/02 03:41 PM)
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: GRTUD]
#866614 - 09/06/02 05:49 AM (22 years, 17 days ago) |
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Actually, UHV systems (ultra high vacuum) allways use a metal-metal seal. HV systems sometimes use a rubber gasket seal, however those outgass at UHV.
That being said, in this case, you do not have a precision metal-metal seal designed to hold a vacuum, and you would be better off with a system specifically designed to do so... so a proper rubber gasket seal designed to hold a vacuum, rather than hold a pressure, is what your looking for.
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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matts
matts
Registered: 01/28/02
Posts: 3,649
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Shaw
Registered: 06/27/01
Posts: 2,263
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Re: Vaccume drying [Re: matts]
#867871 - 09/06/02 07:04 PM (22 years, 16 days ago) |
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It would take quite some time to reach 28" of vac on a hand pump, not to mention maintaining the pressure. If you want to try a hand pump, use a very small vaccume chamber. If i get around to it, i'll see how much vac i can get out of a small mouth half pint jar. It might get enough for the purpose, I'd put a little dessicant in the bottom, and a fat mushroom. And matts, i just raised your rating.
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Edited by Shaw (09/06/02 07:12 PM)
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Aeolus1369
Dr. Seahorse
Registered: 05/20/02
Posts: 367
Last seen: 15 years, 7 months
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Re: Vaccume drying [Re: Lights]
#868069 - 09/06/02 10:12 PM (22 years, 16 days ago) |
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Awhile ago I made a post about a drying technique I used involving an "instant marinator" device:
vacuum dessicator
It's basically a sturdy plastic container with a lid and a hand operated vacuum pump. It's hard to get a very powerful vacuum going with just the handpump, but maybe it would be a suitable container that a more powerul pump could be attached to. When I'm not so tired I'll find it's brand and model number for anyone interested.
--Aeolus
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matts
matts
Registered: 01/28/02
Posts: 3,649
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: matts]
#868623 - 09/07/02 08:45 AM (22 years, 15 days ago) |
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Lab/industrial quality vacuum pumps are expensive, but you can get them used or rebuilt for relatively cheap.
I would not reccomend edmund scientific, they are WAY WAY WAY overpriced.. I think their markup is something like 300%..
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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psychomycul
Praise me for Iam great
Registered: 03/21/02
Posts: 48
Last seen: 12 years, 9 months
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Re: Vaccume drying [Re: SixTango]
#880198 - 09/12/02 08:44 AM (22 years, 10 days ago) |
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My Dog owns a foodsaver by Tilia. He's found it to be very effective. It's one of the older ones before they started dropping down the pump size. It's capable of 29" It vacuums canning jars and it came with an 8 liter transparent container capable of holding a vacuum for over 5 months. After the drying is done the bag vacumer part is good for long term storage.
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It's All about the music
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psychomycul
Praise me for Iam great
Registered: 03/21/02
Posts: 48
Last seen: 12 years, 9 months
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Re: Vaccume drying [Re: DinoMyc]
#880204 - 09/12/02 08:46 AM (22 years, 10 days ago) |
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The 500 dollar home one that I have isn't quite as effective as the professional grade but it's good enough to explode a spider.
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It's All about the music
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Lights
Mad scientistextrodionar~
Registered: 07/17/02
Posts: 47
Loc: Aside the rectum
Last seen: 21 years, 6 months
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Look at HVAC supply stores. Ritchiee sells a vac that will boil ice at room temp. It is around 250 dollars new. It also has a guadge. When ultimate vac is achieved it will be indicated on the guadge. Ultimate vac is achieved when all water has been evacuated from the system.It will do it fast too. As a bonus your shrooms won't shrivvel a bit. they will end up big and poofy and very airy.
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Angel_Magic79
HOT DIGGITY DOG
Registered: 02/26/02
Posts: 119
Loc: Siberia
Last seen: 21 years, 11 months
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Re: Vaccume drying [Re: Lights]
#880735 - 09/12/02 02:13 PM (22 years, 10 days ago) |
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-You have '29'Vacum in a area of 16 SqrFt- How long does it take to dry mushies? You wouldn't need to fan dry them first- right?
--------------------
ShroomChicks WANTED!!!
Preferably 18 to 21 years old.
Brunett & AVERAGE weight(I Stress)!!!
Please PM me with a current PIC!
Yours truly Mr. Angel- AKA. MOJO MAN
***FEMALES ONLY***
Edited by Angel_Magic79 (09/12/02 02:31 PM)
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Lights
Mad scientistextrodionar~
Registered: 07/17/02
Posts: 47
Loc: Aside the rectum
Last seen: 21 years, 6 months
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Volume is is measured in cubif feet. This perticular Vac will pull 15 cfm Evacuating all the air out of the system pretty fast. Then just wait till it reaches perfect vac.
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ChuangTzu
starvingphysicist
Registered: 09/04/02
Posts: 3,060
Last seen: 10 years, 11 months
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Re: Vaccume drying [Re: Lights]
#885736 - 09/16/02 12:39 PM (22 years, 6 days ago) |
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try labx.com or ebay for cheap vac pumps that can get down to 10-15 Torr. also, i 've seen 1L round bottom flasks go down to about 1Torr or less with no problems. might be hard to get the mushrooms out whole though.
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TripsAreForKids
addict
Registered: 04/23/01
Posts: 465
Loc: Not In The US
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Re: Vaccume drying [Re: Shaw]
#885919 - 09/16/02 02:43 PM (22 years, 6 days ago) |
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Im not stupid. Im just saying, its designed to make the seal expand as heat increases, thus creating an even better seal, for keeping pressure IN, when you reverse it, and have no heat, It surely won't provide such a great seal. Much less hold it for a long enough time. Maybe if you put a bead of silicone around it, then as pressure decreased, it would suck it down creating a better seal as you get less and less pressure... Btw, how do you plan on hooking a pump to the pressure cooker?
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Everything posted above was out of fun, none should be taken serious. I am currently under the influence so take that into consideration.
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Mushroom_Madness
enthusiast
Registered: 01/10/02
Posts: 261
Loc: Quaint New England Villag...
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Re: Vaccume drying [Re: Shaw]
#887340 - 09/17/02 04:39 AM (22 years, 6 days ago) |
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Poster: Shaw
Subject: Re: Vaccume drying
It would take quite some time to reach 28" of vac on a hand pump, not to mention maintaining the pressure. If you want to try a hand pump, use a very small vaccume chamber. If i get around to it, i'll see how much vac i can get out of a small mouth half pint jar. It might get enough for the purpose, I'd put a little dessicant in the bottom, and a fat mushroom. And matts, i just raised your rating.
If I'm not mistaken, using a canning jar as a vacuum desiccators is dangerous (depending on the vacuum that is created). First and fore most, the aluminum top will collapse inside (hopefully before the jar implodes and glass is everywhere.) If you use a canning jar, you will be using it at you own risk. Be careful.
Edited by Mushroom_Madness (09/17/02 04:45 AM)
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Shaw
Registered: 06/27/01
Posts: 2,263
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I was unclear on that. i wasn't intending for the canning jar to reach 28" of vac. it would be alot less vac, but still might show some results.
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fungusdude
nobody special
Registered: 05/24/02
Posts: 19
Loc: charlotte nc
Last seen: 22 years, 1 day
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Re: Vaccume drying [Re: Shaw]
#893927 - 09/19/02 03:29 PM (22 years, 3 days ago) |
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I have used canning jars to store perishables. I put whatever into the jars and apply a film of alcohol around the top edges of the opening ,cover with a canning lid (no ring) now hold the lid open just a bit and light that sucker quickly set the top down as the fuel mixture burns.do not have your hands in the way as a nice little flame shoots out before it seals . this will not give you a perfect vacuum but easily as good as regular canning type vacuum. i would be careful not to use any cracked jars.
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just bullshit
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Una
controlleddemolition
Registered: 03/01/01
Posts: 970
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Re: Vaccume drying [Re: matts]
#896668 - 09/21/02 12:56 AM (22 years, 2 days ago) |
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another alternative....hahahahahha
i'm just kidden
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www.911blogger.com
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: Una]
#897091 - 09/21/02 09:36 AM (22 years, 1 day ago) |
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heh
funny.
I thought I would add a little to this discussion:
Vapor pressure
Saturation density
So, what this is saying is you have to continue to pump after you reach a low pressure..
If you have trouble reading these, let me know, I will go into more detail..
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If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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mycofile
Pooh-Bah
Registered: 01/18/99
Posts: 2,336
Loc: Uranus
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Re: Vaccume drying [Re: DinoMyc]
#901528 - 09/23/02 10:49 AM (21 years, 11 months ago) |
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this may be a stupid question, but if by vacume drying you are in effect lowering the boiling point of water, allowing it to evaporate faster, wouldn't the same be true for all chemicals? Is there any danger of reaching a low enough pressure that the boiling point for psilo's is reached and evaporated out of the shrooms at room temperature?
Just wondering theoretically if this is right and how high of a pressure that would be. I'm sure it would take a hell of a vacuum even if the theory is sound. Psilo's boiling point is far higher than water's to begin with isn't it?
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"From a certain point of view"
-Jedi Master Obi Wan Kenobi
PM me with any cultivation questions.
I just looked at my profile and realized I had a website at one point in time on geocities, it's not there anymore and I have no idea what I had on it. Anybody remember my website from several years aga? PM if so please.
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DinoMyc
Ipsa scientiapotestas est
Registered: 11/13/99
Posts: 1,080
Last seen: 18 years, 3 months
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Re: Vaccume drying [Re: mycofile]
#901853 - 09/23/02 01:51 PM (21 years, 11 months ago) |
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To the best of my knowledge, Psilocin and Psilocybin are in a stable crystalline lattice, and as such will not outgas without thermal energy or some other catalyst. (at least at the pressures we are discussing, it not in general).
--------------------
If I made affront, I apologize.
If I made affirmation, I apologize.
I merely came to listen, came to say.
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