Do not do any of this. It will not improve your coffee one whit. On Thursday, September 25, 2014 6:12:10 PM UTC-7, eleventysix wrote: > > Hi all, > > Just found this group after having my Australian spec Brewtus IV (Vibe > pump) for about a year now. I've had some ideas for mods that haven't been > discussed before, which might be for a good reason! I'm a bit perplexed > that the general consensus is the steam production is quite poor compared > to other dual boiler machines. Especially since the Australian spec > Brewtus/Minore has 2000W heating elements compared to around 1300/1400 on > competing machines. Admittedly the steam boiler is on the smaller side at > 1.5L but this should only impact initial steam pressure. I haven't had the > opportunity to test this out in person however. > > Anyway that aside: > > 1. I've been thinking of installing a normally open relay on the steam > boiler auto fill probe, such that when the brew lever is engaged (micro > switch powers pump), the relay will energise and short the water level > sensor wires. This would ensure the steam boiler does not refill mid shot. > This seems like it would be quite a simple mod, but I can't seem to find > anyone who has done it before. > > 2. Another idea is to install additional plumbing and a solenoid valve > such that the steam boiler heat exchanger could be mechanically bypassed. > This would allow higher steam boiler pressures without overheating the > brew > boiler. Or alternatively leave out the relay, and install a restrictor > such > that water splits roughly equally between the heat exchanger and non-heat > exchanger paths to the brew boiler. > > > I'm sure there are a number of things I am not considering, so any input > would be much appreciated. > > Cheers > > > >
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