I used a fluke thermometer at my portafilter spout and saw about a 2 degree temperature drop with 3 oz of water. Keep in mind this is with an empty basket. Therefore, only over a couple seconds. I'd imagine having 25 or 30 seconds would let the boiler kick in a reduce that.
Hey there! My first espresso machine was the gaggia classic and instead of moving on to a dual boiler machine, I decided to sink more money into it. As far as temperature stability goes, it has the aubrins PID and I made a preheater that preheats the boiler's incoming water.
How do I know when...
Hey there! I am a new member to the forums. My current coffee related endeavors include coming up with new modifications to my gaggia classic and getting in to home roasting. I started roasting about 2 years ago and am already completely hooked. At first, I was using a pan on the stove and a...