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Discussions > Coffee > Machines > Bunn BX-B Inital...  
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CraigA
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Posted Wed Sep 26, 2007, 10:57am
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

TimEggers Said:

Maybe they changed the spray head Craig?

Posted September 26, 2007 link

Nope, it's the same one. Standard BUNN brew time is 3 minutes flat.
My brew time is around 3:30 - 3:40 minutes with the above Tim Hortons' 3 hole restrictor spray head for 50 oz of water & 8 seven gram coffee scoops, 56 - 58 grams (2 oz) of coffee.

Today I had a little more water in the top tank to get as much coffee in the thermal pot before overflowing. Brew time was 4 minutes with a Rocky grind # of 43, true zero +4, actual grind #39.
I have posted all my testing results with a slightly taller BUNN filter on previous threads with all pertinent BUNN filter part #'s, etc. I'm just trying to not keep repeating & reposting my posts/results as it does get unnesessarily redundant like a lot of stuff..

Anyhoo, some of my BUNN posts again; Click Here (www.coffeegeek.com)

 
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TimEggers
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Posted Wed Sep 26, 2007, 10:52pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

Craig I promise one of these days I'm going to memorize everything you've ever typed! {:-)

Anyways I plugged up another hole in the stock head and now the time is 4:15 (with just a filter).  I'm going to brew there tomorrow and see what happens.  Should work out better too.  With the slower flow I should be able to tighten my grind a little too.  I don't forsee any problems now getting strong robust coffee from this Bunn.

Thanks again buddy!

 
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TimEggers
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Posted Thu Sep 27, 2007, 5:46am
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

Wow what a difference a few clogged holes makes!  ;)

My brew time with 58g of coffee was 5:15.  A bit long for sure for but the coffee is outstanding.  Just like the brew I got from my Presto.  I have room now to tighten my grind which I'm going to try first then I may unplug one of the holes (just have 2 plugged not 3) if my brew time gets much longer (which it should with a finer grind).  I'm also getting good grounds saturation (no floating dry grounds anymore).

With the timing issues resolved I'm truly impressed with the Bunn.  Its temps are dead on pot after pot.  I can see the advantages of the internal water tank design approach that Bunn takes.

 
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CraigA
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CraigA
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Posted Thu Sep 27, 2007, 6:52am
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

TimEggers Said:

Wow what a difference a few clogged holes makes!  ;)

My brew time with 58g of coffee was 5:15.  A bit long for sure for but the coffee is outstanding.  Just like the brew I got from my Presto.  I have room now to tighten my grind which I'm going to try first then I may unplug one of the holes (just have 2 plugged not 3) if my brew time gets much longer (which it should with a finer grind).  I'm also getting good grounds saturation (no floating dry grounds anymore).

Posted September 27, 2007 link

Great Tim, I'll measure & compare the hole size diameter of the 3 hole Tim Hortons sprayhead as compared to the stock 5 holer., I've measured before but I've forgotten the size diff if any.

With the timing issues resolved I'm truly impressed with the Bunn.  Its temps are dead on pot after pot.  I can see the advantages of the internal water tank design approach that Bunn takes.

Me too bud! Ever since I've had my unit from March/07, I've not used my Newco OCS-8 since., the difference is night & day! Well I did once for comparison with the same coffee, & I really didn't like the flavor profile with the extended brew time of the Newco., more bitter & astringency in the back of the palate.
It's not that ojectionable, but the BUNN's deep, rich flavor profile is much preferred! It takes approx 30% more coffee to achieve it, but it's certainly not an issue being a homeroaster. {;-)
I can make a homeroasted cup of coffee for 2.9 CAN! {:-O

Craig I promise one of these days I'm going to memorize everything you've ever typed! {:-)

I'd like to do that for LOTS of stuff you post too Tim, but we'd need a couple of gigs of unused grey matter, lol!

TimEggers Said:

Anyways I plugged up another hole in the stock head and now the time is 4:15 (with just a filter).  I'm going to brew there tomorrow and see what happens.  Should work out better too.  With the slower flow I should be able to tighten my grind a little too.  I don't forsee any problems now getting strong robust coffee from this Bunn.

That's what I was able to do too, tighten the grind fairly considerably after going from the stock 5 hole to the 3 hole restrictor sprayhead.

Thanks again buddy!

Anytime Tim!, that's what we're here for! The heck with being redundant, we just have to keep quoting, linking, etc as it's all needed in a discussion.
Have you looked at BUNN's brewing ratio chart?

 
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TimEggers
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Posted Thu Sep 27, 2007, 4:24pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

Craig I want to thank you again for all the encouragement as I got my Bunn dialed in.  This afternoon I made a pot of Colombia Choco - El Carmen del Atrato that I roasted just before brewing (hey I couldn't wait any longer it smelled so good).  But anyway I dialed my grind finer (a whole number on my SJ from 6 to 5) and the coffee was absolutely wonderful.  One of the best cups I've had in sometime.  I was surprised with the cup it tasted more like press then paper filtered it was that darn good.  I need to coarsen the grind just a hair though as it flirted with overflowing the filter (but there weren't any grounds in the carafe or anything).  The Bunn really does offer a different and better cup profile.  I don't remember anything from my Presto being nearly this good.  I should note too that I unplugged one of the holes and now run with two of the five holes plugged.  Brew time just a tad over 4 minutes even.  Damn good coffee!

Thanks again!

 
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CraigA
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CraigA
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Espresso: PID/PressureMod 2001...
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Roaster: Refurb Behmor 1600, BBQ...
Posted Thu Sep 27, 2007, 4:47pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

Hey anytime Tim!, what I'm here for.
I was actually thinking about you & the BUNN posts this evening (between the mod stuff) & I want to appologize & hope you accept, about the "unnesessarily redundant" thing. About the filter papers, what I've done & I was in the same boat after tweaking too Tim.., that the stock filter basket papers (BUNN part # 20106.0000 A10/Retail- 8 & 10 cup brewers) 8" X 3" were at & did overflow at times between the paper & the basket holder.

What I use all the time now is a slightly bigger filter, BUNN part # 20116.0000 "Regular Narrow" filter 9" x 3". That extra 1" in diameter, " in height makes all the difference in tweakability & no overflow. My brew on the filter paper goes right up to approx " below the top of the paper, so I still have a bit of room to tweak the grind down some & extend out the brew time if I wish. {;-D

Cheers Tim!


P.S. I was thinking the same too, but didn't post it., about the taste being like a good FP.., or even a good vac pot brew too.

 
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TimEggers
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TimEggers
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Roaster: RK Drum
Posted Thu Sep 27, 2007, 6:38pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

No apologies needed at all Craig.  Its been a pleasure having this conversation with you.  I'm really liking the Bunn and can only hope this conversation is helping anyone reading.

Also thanks for the tip on the filters!

 
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CraigA
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CraigA
Joined: 19 Dec 2001
Posts: 11,170
Location: Rexdale, Toronto, Ontario, Canada.
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Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Thu Sep 27, 2007, 6:47pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

TimEggers Said:

Its been a pleasure having this conversation with you.

Posted September 27, 2007 link

I hope so {;-) & likewise!

I'm really liking the Bunn and can only hope this conversation is helping anyone reading.

Me too, & why I reposted it again also.


WoW, those are expensive! Like I've said in other posts, I'm only about 30km (18 miles) from Bunn-O-Matic Corporation of Canada & I paid less than (56%!) of that price on your link, (no offense) & CAN $ too!
Well, we did hit parity with the US dollar & Canadian dollar earlier this week, & this is the first time since 1976!! {:-D
The filters stick up over the top a touch, but not enough to interfere with sliding the basket into place or pulling away from the sides either. They're just the ticket for me.

http://www.bunn.com/pdfs/commercial/specsheets/a116.pdf

 
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TimEggers
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TimEggers
Joined: 3 Oct 2004
Posts: 2,945
Location: Tiskilwa, Illinois
Expertise: I love coffee

Espresso: QM Anita, Cappuccino Amore
Grinder: Baratza Vario, Mazzer SJ
Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Thu Sep 27, 2007, 8:00pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

After a lot of testing I determined that plugging up 2 of the 5 holes on the original spray head delivers the results that I wanted.  Truly exceptional coffee at just the right strength with a nice 4-minute brewing time.

I didn't like the idea of leaving the wooden toothpicks in there all the time.  I was afraid of the wood absorbing and retaining moisture thus allowing mold to grow (maybe I'm crazy).  So I performed a more permanent modification.  I melted the tip of an ink pen's cap (cheap bic) and laid a bead of melted plastic on the hole.  Then I used a red-hot nail head to smooth the plastic out.  Seems to have plugged the holes up tight!

Take a look:

TimEggers: homemade3holesprayhead.jpg
(Click for larger image)

 
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CraigA
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CraigA
Joined: 19 Dec 2001
Posts: 11,170
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Thu Sep 27, 2007, 8:17pm
Subject: Re: Bunn BX-B Inital Impressions, Some Questions, Have Comments?
 

That's excellent Tim, you've just created the Tim Hortons 3 hole restrictor head from the stock 5 hole sprayhead! {;-)

 
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