only getting them once here.
________________________________ From: Benjamin McCafferty <[email protected]> To: [email protected] Sent: Sun, March 6, 2011 8:49:18 AM Subject: Re: Steam Pressure No kidding, right? Fun to use the big machines once in a while, but I love my B2 also. John, I'm not sure if it's just me, but I think you're sending all your posts twice--I am receiving them all twice. Anyone else? best, bmc On Mar 5, 2011, at 9:33 PM, John Brinkman wrote: > I am in South Africa and am already running on 220v, so I have the > benefit already of the larger heating elements. The slow steaming is > not an issue most of the time and it is dead easy to get microfoam, > just when I am in a rush to make a number of coffee's. > > Also, I like to help out making coffee on a commercial machine from > time to time at a local shop. When steaming I feel like I am used to > flying a Cessna and am now suddenly at the stick of a Boeing 747, lol. > Everything just happens so much faster, getting used to it and then > going back to the Brewtus just emphasizes the slowness. > > JohnB > > On Sat, Mar 5, 2011 at 10:46 PM, Benjamin McCafferty <[email protected]> wrote: >> Yeah, that's what I'm thinking. The Brewtus was designed to allow it to run >> on >>a 15A circuit, but I wouldn't mind upgrading to a 20A and having a bigger >>element. For that matter, I'd consider 220V if I could get it. My friends >>with >>commercial 220 machines have enough steam for a small train... >> >> However, I've learned to work with the Brewtus as is, by using different >> tips >>for different purposes--big one hole for hot chocolate, small two-hole for >>latte >>art, etc. >> >> >> b >> On Mar 5, 2011, at 7:51 AM, John Brinkman wrote: >> >>> So bigger element then? >>> >>> On Sat, Mar 5, 2011 at 5:43 PM, Benjamin McCafferty <[email protected]> wrote: >>>> Hey John, >>>> >>>> Have a look at my posts on steam tips about two years ago--I did a similar >>>>experiment on how fast tips would bring water to a certain temp, and also >>>>measured holes sizes and all that to get total hole area. I also watched >>>>the >>>>steam pressure gauge to see how the boiler handled the bigger tips. I >>>>think you >>>>will change your conclusion, since the boiler pressure drops dramatically >>>>and >>>>runs out of gas with bigger tips. Even with smaller tips the boiler >>>>doesn't >>>>have enough juice to hold pressure. If the steam wand was the choke point, >>>>you >>>>would expect the boiler to hold pressure or build higher pressure, but it >>>>does >>>>just the opposite, even with the stock steam arm. >>>> >>>> Still, I'll be interested to see what your experiment yields. >>>> >>>> bmc >>>> >>>> On Mar 5, 2011, at 6:35 AM, John Brinkman wrote: >>>> >>>>> Hi Kitt >>>>> >>>>> I think that it is a pretty well know fact that the Brewtus is down on >>>>> steaming power when compared to other similar machines on the standard >>>>> water heating test. According to the reviews on Home Barista of the >>>>> Brewtus, it is around 33% slower than other machines in the same sort >>>>> of price range, namely La Spaziale VII 1.2mm Tip, Vibiemme Domobar >>>>> Super, Quickmill Andreja Premium or Giotto Premium who all seem to >>>>> take around 28 seconds to raise a 8oz of water from 40 to 160 degrees >>>>> Fahrenheit vs the Brewtus which takes 38 seconds with the two hole tip >>>>> and 60 seconds with the single hole tip. Home Barista even mention in >>>>> the conclusion of their review of the Brewtus "However, both the >>>>> single and two-hole tips fell short of the steaming power one would >>>>> expect from a machine with a dedicated steam boiler." >>>>> >>>>> Now whilst steam speed is not everything and sometimes a bit slower >>>>> makes it easier, there are times when I would appreciate a machine >>>>> that can heat a jug in 28 seconds rather than 60 seconds (like when I >>>>> have to make coffee for the whole family). I have owned both a Brewtus >>>>> III and now Brewtus Rotary for the last 5 years love the machines. I >>>>> did noticed a slight increase in steam performance between the two >>>>> when I upgraded. It is however no where close to what I get from a GS3 >>>>> (haven't taken that step yet, still considering). I know that the >>>>> machines are not in the same price range but I would hope that the >>>>> Brewtus's steam would be slightly better than it is. >>>>> >>>>> I have played around with steam tips using an 8mm to 10mm converter >>>>> and various steam tip. I have found that the machine simply cannot >>>>> deliver enough steam to power a tip with 4 holes properly. I >>>>> believe/hope that it is not because it doesn't have enough steam but I >>>>> suspect rather because the steam arm is restricting the flow of steam >>>>> from the boiler. >>>>> >>>>> My aim is to try changing the arm to a standard arm to see if it can >>>>> drive a 4 hole tip with enough steam to be able to produce microfoam >>>>> (just not possible with current arm). I will also measure the time it >>>>> takes to heat water as a comparison. >>>>> >>>>> JohnB >>>>> >>>>> On Sat, Mar 5, 2011 at 3:27 PM, Kitt Johnson <[email protected]> >>wrote: >>>>>> John, >>>>>> >>>>>> What are you trying to "overcome" ... i. e., what aspect of steaming with >>>>>> the Brewtus do you see as "limited", and there-by unsatisfactory? (I am >>>>>> guessing that it is the elapsed time required to raise the temperature >>>>>> of >5 >>>>>> oz of whole milk from 44 F to 155 F, but you could be trying to raise 16 >oz >>>>>> of milk in a large pitcher or unhappy with the nature of the foam or >>>>>> something else.) >>>>>> >>>>>> Would you mind telling me what (and perhaps how) you plan to measure as a >>>>>> marker of the performance before and after switching wands? Do you plan >to >>>>>> use the same wand tip and same boiler pressure (=temperature) in the >>boiler? >>>>>> >>>>>> Just curious >>>>>> >>>>>> Kitt >>>>>> ----- Original Message ----- From: "John Brinkman" , 2011 7:38 AM >>>>>> Subject: Re: Steam Pressure >>>>>> >>>>>> >>>>>>> I am still convinced that the main limiting factor on the Brewtus >>>>>>> regarding steam delivery is the inside diameter of the "Cool Wand" >>>>>>> steam wand. >>>>>>> >>>>>>> I am planning to replace my cool wand with a standard steam wand, do >>>>>>> some tests and see what the difference is in steam performance. I will >>>>>>> let you guys know what the results are. >>>>>>> >>>>>>> JohnB >>>>>> >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>>"Brewtus" group. >>>>> To post to this group, send email to [email protected]. >>>>> To unsubscribe from this group, send email to >>>>>[email protected]. >>>>> For more options, visit this group at >>>>>http://groups.google.com/group/brewtus?hl=en. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>>"Brewtus" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>>[email protected]. >>>> For more options, visit this group at >>>>http://groups.google.com/group/brewtus?hl=en. >>>> >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>>"Brewtus" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>>[email protected]. >>> For more options, visit this group at >>>http://groups.google.com/group/brewtus?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >>"Brewtus" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >>[email protected]. >> For more options, visit this group at >>http://groups.google.com/group/brewtus?hl=en. >> >> > > -- > You received this message because you are subscribed to the Google Groups >"Brewtus" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to >[email protected]. > For more options, visit this group at >http://groups.google.com/group/brewtus?hl=en. > -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/brewtus?hl=en. -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/brewtus?hl=en.
