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Page 1 of 2: 12
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 Help: Gasketless Cory Vac Pot?
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| seedlings |
Posted on 01/14/2009 11:31 AM
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 1 1/2 Pounder  Posts: 4226 Joined: June 27, 2007 |
Found this at a local mega-antique warehouse: There is no gasket. I've read that some Cory vac pots are gasketless... can you tell me how to tell? I haven't bought it yet. Thanks in advance, CHAD I went back and looked again, it's a DCU (upper) and DCL (lower) unit. I'm about 99% sure it's gasketless. The top of the lower is flat, and matches the bottom of the upper - also flat. I just found out if I pay cash they give 15% off... gotta get cash... Edited by seedlings on 01/14/2009 12:27 PM Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/14/2009 3:28 PM
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 1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Chad, that is the DCUpper and DCLower, which is gasketless. The weight of the upper, the water, and the coffee is to keep it together: http://baharris.o...2-4cup.jpg pictured http://baharris.o...hysics.htm Bottom of page. Never used one. That thing is older than I am. Any questions, zip Brian an email ... he is into vintage models. You won't be able to buy it when you go back. I sent my cousin in and it be mine. <WAGr, jk> B|Java Edited by BoldJava on 01/14/2009 3:30 PM |
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| seedlings |
Posted on 01/14/2009 4:57 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
I was able to fend off your cousin with the mid-1800s musket and a sweet Kitana sword from the next kiosk over! I won! You can enjoy a picture of the new bundle of joy whilst I sip it's first cup...  CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/14/2009 6:37 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Amigo mio, You are hooked. Say goodbye to other coffee preps. Slippery slope down the vacpot rabbit-hole-kingdom. That is one elegant vintage pot. B|Java Edited by BoldJava on 01/14/2009 6:37 PM |
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| John Despres |
Posted on 01/14/2009 6:47 PM
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 Administrator  Posts: 2221 Joined: January 09, 2008 |
Chad, Cooooool!
Respect the bean.
John Despres Fresh Roast 8, Gene Cafe, JYTT 1k, Quest M3, Mazzer Mini, Technivorm, various size presses and many more brewers. |
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| dja |
Posted on 01/14/2009 7:23 PM
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 1 1/2 Pounder Posts: 701 Joined: November 07, 2008 |
nice catch on the Cory!
I pour Iron and roast Coffee Beans
If life seems normal your not going fast enough Mario Andrette |
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| PeteH |
Posted on 01/14/2009 7:40 PM
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 1/4 Pounder  Posts: 109 Joined: January 29, 2008 |
Quote seedlings wrote: I was able to fend off your cousin with the mid-1800s musket and a sweet Kitana sword from the next kiosk over! I won! CHAD Congrats on the Pot Chad, if you notice where the two pieces of glass meet you can see where they have been mated with a "lapping compound" to make them fit together and seal. Sort of like valves are hand ground in an engine block. I have one gasketless pot that is such a tight fit it's hard to get apart. I guess I am going to be forced to take a picture of my glass Vac pots that my mother left me and post them. I have 5 or 6 including two Kents that are colored, one red and one with green stripes. I picked up a Stainless Steel NICRO at the Salvation Army Thrift Store last week for $5 but the gasket is a little cracked but it will pull a vacuum. How much did you get the pot for?, inquiring minds want to know. 
Pete
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| BoldJava |
Posted on 01/14/2009 7:44 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Quote I have one gasketless pot that is such a tight fit it's hard to get apart. I guess I am going to be forced to take a picture of my glass Vac pots that my mother left me and post them. I have 5 or 6 including two Kents that are colored, one red and one with green stripes. I picked up a Stainless Steel NICRO at the Salvation Army Thrift Store last week... Music to my ears. On with the pics. Here is my virgin (never had been out of the box before I snagged it locally off Craigslist) retro-avocado green plastic topped Cory. It is so darn ugly it is cool. Takes me back to my '72, listening to Don McLean's "American Pie,"  B|Java Edited by BoldJava on 01/14/2009 8:03 PM |
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| seedlings |
Posted on 01/14/2009 8:37 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
NewB Vac Pot Prep Question No Coffee Trial Run: After fabricating a wire-thing-a-ma-jig heat diffuser, I filled Cory to the "line" with 198F hot water from the ever-hot-water spout on the Nesco (so I don't hurt his feelings too bad). It went on the electric glass top stove on "8.5" without the funnel on. Within a minute, the steaming whisps of steam started showing up, so I wet the top of the pot and the bottom of the funnel - to seal - and put the funnel on with the glass rod, cut the heat to "5". Within another minute the water started seeping up the tube! Once there was an inch or so up into the funnel, I got the thermometer out and it was a tad under 200F. Sweetness. I let the water continue up until there was a puddle of water under the bottom of the tube, but not touching the tube. The water in the funnel was bubbling around from the steam coming up. Q: Is this the point where one would normally pull the pot off the heat so that coffee starts coming back down, or do you wait until all the water has boiled away? I took the pot off the heat and watched it bubble a little more, then the waters stilled. :30 later, the water started creeping back down south. Awesome. With Coffee Trial Run: I repeated the process. Once about half the water went north, I dumped in coffee grounds and gently pushed them down into the water (as described in your Yama review, Java). Cut the heat to "5" and water kept going north until there was the same puddle underneath the tube. I removed from heat, watching the slurry dance around the rod. Slowly. Slowly. Ever so slowly, the coffee started back down. I wasn't timing it (mesmerized) but it had to be 3 minutes lapsed, and about half the coffee had come back down. I pulled the funnel and remaining slurry off, poured a cup and it tasted fantastic! I expected some grit, but it was as crystal clear as if it were filtered. Next pot will have a little coarser grind, but, can someone answer the question above for me? In the meantime, I'll find more "how-to" info searching the web, and that sweet baharris site. CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/14/2009 8:45 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
<Note to others, not Chad...did you notice that boy fall deeply into a hole?> The 1 oz of water never boils away from the bottom. A small amount of hot water always remains in the south. It never boils. Bubbles are indicative of vacuum forming, not water boiling. Chad, you didn't see me suggesting to add coffee when the water is half way up. No sir-ree, Bob. All water needs to migrate north, add coffee, push it down with wooden spoon to extract, being careful to NOT disturb Mr. Cory. Leave on stove, low heat for two minutes, and then pull off the heat. I use a grind a bit finer than a pour over. Learn to regulate the heat so Mr. Cory doesn't do the hokey pokey as the final rush of water comes north. B|Java |
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| seedlings |
Posted on 01/14/2009 8:54 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
I was anxious. Relly I is purdy readin at gud CAHD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/14/2009 9:06 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
I can't testify to your reading skills but I can verify you have superb snagging abilities at antique shows. That pot is A-1 and I am thinking about inviting the Czarina for a weekend away (in Amish country, SW Wisc) for a nice bed and breakfast weekend. Wink...wink. B|Java Edited by BoldJava on 01/14/2009 9:29 PM |
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| David |
Posted on 01/14/2009 11:14 PM
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 1 1/2 Pounder Posts: 690 Joined: October 27, 2005 |
Quote hworx wrote:. I have 5 or 6 including two Kents that are colored, one red and one with green stripes. Kents rock. I love their ceramic timer-filter. I have had ruby red and cranberry red flashed colors. Gorgeous. |
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| David |
Posted on 01/14/2009 11:22 PM
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1 1/2 Pounder Posts: 690 Joined: October 27, 2005 |
It sounds like you are on your way, Chad. The timing of how long to let it boil on through is not an easy one to answer. If you pull it too soon, you risk under-extraction as well as not enough vacuum to pull it all back down. Done right, there is a nice "schl-u-u-ck" sound at the end -- plenty of vacuum left over. The waitresses at the diner would hear that noise and know the coffee was fresh and ready. Mouths watered all around the room. Great stuff. |
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| seedlings |
Posted on 01/15/2009 8:28 AM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
Well, I ain't doin' it right, because there's no "suck" back down! I tried to follow directions to the T this morning, and failed twice. Each time increasing the grind size. I made it up to Press-sized coarseness, but didn't help. There's something else to figure out...? CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/15/2009 8:49 AM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Quote seedlings wrote: Well, I ain't doin' it right, because there's no "suck" back down! .... There's something else to figure out...? CHAD My suggestion is that you switch out for me for about a year and then I can give you more specific suggestions. Here is my exchange offering:  Let me know when you are ready. B|Java |
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| seedlings |
Posted on 01/15/2009 8:50 AM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
You've offered too few perks. CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| David |
Posted on 01/15/2009 12:14 PM
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1 1/2 Pounder Posts: 690 Joined: October 27, 2005 |
Quote seedlings wrote: Well, I ain't doin' it right, because there's no "suck" back down! Well, that doesn't suck. The main thing is if all the coffee goes south. If it does, you're OK. If the grind is right, ie very few fines, then it's the filter or the suction. Unfortunately, suction problems are the curse of the "gasketless" models. So, maybe a few extra hints.... Are you wetting the surfaces where the "gasketless" side meet? It just helps it to seal a bit better. The next step up is some very, very light vegetable oil. Not too much, of course, just enough to improve the seal. A little extra time boiling the bottom water can help with the vacuum. If all that fails, then I'd change the filter. You are using the standard Cory glass rod, right? The alternatives are the glass one with the spring that holds the rod in place [often found in Silex models] and cloth filters of various kinds. One other, which I think the best of all, is the "Dutch" ceramic filter. Officially, I think it's called a: "DUTCH CLOTHLESS COFFEE FILTER" There's one on eBay right now. Take a look. sir. Did I say I love them. They solve a lot of vac pot problems. You might also search for "Silex filters" to see some of the alternatives. I hesitate to say that there is one other thing that I have done,  and you can do at your own risk, is to take the vac pot off the stove entirely and set it down directly onto the counter top. It cools more rapidly and that can help with the vacuum. I have Formica counter tops and they worked fine. I have not ventured out into the land of stone ones, however. |
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| seedlings |
Posted on 01/16/2009 7:15 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
Quote David wrote: A little extra time boiling the bottom water can help with the vacuum. This did the trick! I followed B|Java's notes more closely, and the pot must sit on the burner after all water has gone north DURING the 2:00 steep. I had been pulling it off too early. Made a successful Vac pot tonight after 2 days of trying to make "good" coffee in the hotel room coffee pot. Thanks tons, guys! CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/16/2009 7:20 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Quote seedlings wrote: Made a successful Vac pot tonight after 2 days of trying to make "good" coffee in the hotel room coffee pot. CHAD That is pretty well a record. Well done. B|Java Edited by BoldJava on 01/16/2009 7:21 PM |
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| seedlings |
Posted on 01/16/2009 7:48 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
I was motivated. I often wonder why "they" with regular, department store coffee brewers buy "good" coffee ever. Why waste the time? I took a perfectly good Brazil, and ruined it in the 4 cup pot - even with the proper filter (albeit paper). The cup tasted like every other cup brewed in there. Even preheating the water through the coffee pot didn't help - thought that might've upped the water temperature enough. Wow, are wee geeks. I just felt a twinge of embarrassment. CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/18/2009 5:22 AM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
I think you scored a good deal. There is a gasketless Cory going on eBay now for the same price as yours when shipping is added. However, it isn't as pristine as yours. http://tinyurl.co... The filter may have a cracked head. Notice how the dome is positioned away from the lens. That is something to ask about. B|Java Edited by BoldJava on 01/18/2009 5:23 AM |
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| seedlings |
Posted on 01/18/2009 1:51 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
I think that one was $9.99 with one bid and like 4 days left when I bought mine. CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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| BoldJava |
Posted on 01/21/2009 6:13 PM
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1 1/2 Pounder Posts: 850 Joined: November 09, 2008 |
Quote seedlings wrote: I think that one was $9.99 with one bid and like 4 days left when I bought mine. CHAD It ended going for $60 plus shipping. B|Java |
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| seedlings |
Posted on 01/21/2009 8:04 PM
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1 1/2 Pounder Posts: 4226 Joined: June 27, 2007 |
Quote BoldJava wrote: It ended going for $60 plus shipping. B|Java Did you win? I had another stall this morning. The first time after 4 successful pots... my fault, though because I ran short on time this morning and tried to rush it. CHAD Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500 Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover |
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