Well it was almost a miracle. A little water returned in the steam briefly once I started pulling shots out of the brew head. Tap continuing to work at temp. Might be overall temp too low? I can work around water by just ring stem wand longer til it goes the steam. How do I increase overall temp?
Sent from my iPhone > On Nov 13, 2020, at 10:14 AM, James Mitchell <[email protected]> wrote: > > > Cool that this worked - but no, not really - miracles happen when > superstition defeats physics. > > This was just simple, crude physics realizing that water doesn't compress > like steam. > > The Brewtus has exceeded our expectations - with minor E61 tweaking and fresh > thermal grease on the thermocouple - it gives consistently tasty pours from > commercial beans, which is an inspiration to haul out the Gene Coffee and > resume roasting again. > > Cheers > Jim > > > > > > > > > Water is infinitely less compressible than steam - just given it an escape > route. > >> On Fri, Nov 13, 2020, 12:43 James Williamson <[email protected]> >> wrote: >> Ok Jim. Followed instructions and what do you know stream is regular and >> forcefull and tap is hot and while not super forceful. It is adequate. You >> are kind of a miracle worker. Thanks so much!!! >> >> Sent from my iPhone >> >>>> On Nov 12, 2020, at 10:26 PM, Jim Mitchell <[email protected]> wrote: >>>> >>> >>> Hmmm – odd result, here’s a graphic depicting the Brewtus’s water flow: >>> >>> <783DA6BD8F0B413F9718C9FEA8016FFA.jpg> >>> [Taken out of an >>> excellent article from ‘Bella Barista’ available here: >>> https://docplayer.net/18866840-Expobar-office-leva-dual-boiler.html >>> >>> >>> >>> Note that the hot water tap is fed directly from the bottom of the steam >>> boiler – quoting from the same Bella Barista article: >>> >>> >>> >>> “Hot Water: >>> >>> The pipe for the hot water tap is at the base of the Steam/Hot Water >>> boiler. As the hot water tap is opened, steam pressure forces the hot water >>> from the boiler >>> >>> through the pipe and out of the hot water outlet.” >>> >>> >>> >>> Something you said in an earlier post might illuminate this problem too: >>> “also steam wand provides water (more).” >>> >>> >>> >>> The steam wand shouldn’t flow water when the machine’s up to temperature, >>> outside of a brief ‘Sput!’ as it clears its throat – I’m suspecting that >>> the boiler’s not getting up to temperature (around 102-105C) – possibly >>> because the steam boiler has overfilled (it relies on free space in the >>> boiler for steam to form) and as the water expands it trips the >>> pressurestat. >>> >>> >>> >>> So let’s see if bleeding the boiler helps – from a cold machine - point the >>> steam wand at the tray, open just the steam tap, and turn the machine on, >>> after roughly 20 minutes you should see water from the steam tap, when it >>> stops close the tap, wait a minute or two and re-open the tap. You’ll >>> either see more water, or very wet steam comes out. Repeat this process >>> until dry steam shoots out with real velocity, or you reach brewing >>> temperature. >>> >>> >>> >>> Hopefully this cures the hot water problem – the next suspects are the >>> pressurestat or a blown stem tank heating element. >>> >>> >>> >>> Good Luck >>> >>> >>> >>> Jim >>> >>> >>> >>> >>> >>> >>> >>> Sent from Mail for Windows 10 >>> >>> >>> >>> From: James Williamson >>> Sent: Thursday, November 12, 2020 7:29 PM >>> To: Brewtus >>> Subject: Re: No group head water flow >>> >>> >>> >>> Hi Jim, >>> >>> >>> >>> The water from the hot water tap(what little trickles that I'm getting) is >>> Luke warm or closer to cool...too cool to even register on my thermometer. >>> >>> Steam Wand and Group Head is 90+ >>> >>> >>> >>> James >>> >>> On Thursday, November 12, 2020 at 3:19:02 PM UTC-8 [email protected] wrote: >>> >>> A thin, ragged cheer from the troops... >>> >>> >>> >>> Congratulations, welcome to the DIY ranks - tere's a certain glee in >>> (temporarily) frustrating the Dark Lords of Entropy with simple tools. >>> >>> >>> >>> I'll do some digging on your hot water tap flow after I dislodge the sleep >>> cat from my lap and start dinner. >>> >>> >>> >>> A useful place to start would be to measure the temperature of the water >>> from the hot water tap. This tap is fed directly from the steam boiler so >>> expect at least 96C or above. >>> >>> >>> >>> Cheers >>> >>> Jim >>> >>> >>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Brewtus" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/brewtus/497B9E3C-9710-4BDB-AB6C-2C5B36DD59D5%40hxcore.ol. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Brewtus" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/brewtus/B591703F-12F5-4F85-B2D8-09DFF15F48E2%40gmail.com. > > -- > You received this message because you are subscribed to the Google Groups > "Brewtus" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/brewtus/CAJLWrxsoGyJSoY7pt6Y_-4gsuwwUScV5FVvf_ireF7dG4hG98A%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "Brewtus" group. 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