E61:
- What makes it an E61 espresso machine?
- E61 Group Espresso Machine: Is its reputation justified? (and E61 patent)
- E61 detailed interior schematics
- Explanation of E61 preinfusion and further clarifications
- E61 Group - Truth and Lies
- Theory behind flushing an E61 HX machine
- Monitoring Brew Temperature using E61 thermocouple adaptor (also thermometer adaptor with usage hints 1 and 2)
- Hints on using the E61 thermocouple adapter
- What E61 & Grinder would you buy for <$2K?
- How to clean E61 dispersion screen
- How to change an E61 group gasket and hints on installing the new gasket
- Easy E61 grouphead gasket removal
- Cleaning Note: Front flushing an E61 dispersion screen
- Is there a purpose for the E61 middle brew lever position?
- Adjusting espresso machine's rotary pump pressure?
- Water pressure and the effect(s) it may have on rotary pump
- Flow rate of a rotary pump espresso machine
- Do most plumb-in machines require external pressure?
- Flojet and rotary pump questions (Is accumulator required?)
- Repairing a ULKA vibe pump
- Vibe pump's OPV (over-pressure valves) explained
- I still don't get it: Why adjust the OPV?
- Adjusting vibe pump brew pressure (DIY pressure portafilter gauge)
- Converting a pourover espresso machine to direct connect (plumb in)
- Banishing the noise - vibe to rotary conversion,
- Eliminating noise from vibration
- Is it really that hard to design a quiet vibe pump system?
- Espresso while traveling: 1, 2, 3, 4, 5 (poll)
- HB Tamper Roadshow - Reviews
- What is the ultimate home machine?
- Cutaway of La Marzocco saturated grouphead
- Pressure profiles, preinfusion and the forgiveness factor
- The Impact of Preinfusion on the Taste of Espresso Shots (redux)
- What do you look for in a good tamper?
- Rancilio Silvia and Rocky: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34
- PID'd Rancilio Silvia: 1, 2, 3, 4, 5, 6
- Why are HX espresso machines so popular?
- How to adjust an espresso machine pressurestat
- PID on a HX...this is my thinking, is it flawed?
- Why PID an HX espresso machine?
- The Impact of Frothing on HX Temperature Stability
- The Impact of Autofill on Shot Temperature and Pressure in an HX Machine
- Temperature Stability... from a Heat Exchanger
- Can ANY 110v Heat Exchanger Machine "Pass" the WBC
- Espresso Machines 101
- Looking for a cheap(ish) but decent starter espresso machine
- Help! $1000 budget for espresso machine & grinder
- Basic inexpensive espresso machine recommendations
- Best espresso gear on a student's budget
- What is a pressurized portafilter? (related topics: 1, 2, 3, 4, 5, 6, 7, 8)
- Use preground coffee while saving for an espresso grinder?
- Super-Automatic vs Automatic vs Semi
- Need help choosing super-auto espresso machine
- Super-automatic espresso machine purchasing advice
- Espresso Machine Cleaning Digest (stainless steel)
- What is backflushing? and Why is backflushing important?
- Checking an E61 espresso machine for scale (photos of scale buildup)
- Water, Scaling and Descaling with HX machines? (simplified version)
- Descaling dedicated brew boiler espresso machines
- Recharging a water softener (in-tank type)
- What are the "must have" accessories for a new espresso machine?
- Good all round explanation of PID stuff
- Running an espresso machine 24/7, Electricity Usage Monitor and actual consumption (poll)
- Timer suggestion and The risk of using a timer
- Preparing an espresso machine for storage and Advice about bringing an espresso machine out of storage?
- How To Make Your Own Bottomless Portafilter by hand and using a lathe
- Seeking low tech way to measure brew temperature
- Recommended inexpensive scale for weighing coffee?
- Frozen (stuck) bolt won't budge
- How long before you upgraded from a Rancilio Silvia-class espresso machine?
- HX espresso machine owners: Do you still have upgraditis?
- Where are the prices of espresso equipment going?
- Have you considered a commercial espresso machine for home use?
- Do you leave your espresso machine on all the time?
- What was your upgrade path?
- Which steaming pitcher shape do you prefer?
- How much have you spent on espresso equipment?
- Tamper bottoms: Flat or convex?
- How many tampers do you own?
- Buying / upgrading espresso machine or grinder this year?




