Sunday, February 14, 2021

The completely different coffee roasting ways



Stovetop Espresso Low Maker


Next is that the heating part. This little part is what makes the water hot. The heating part is simply a easy coiled wire. This is similar to filament in your customary light bulb or the component in your each morning toaster. The coil in the coffee maker is held firmly in plaster, and this makes it rugged. This element has two jobs.


Yum, Occasional Drip Brewers are in all probability the most common and the best when it involves coffee machines. You in all probability own one or have one at work. All this needs is for you to add your coffee within the filter, fill with water, flick the switch and watch the container fill with low. If you have a sensible occasional maker model, the water can hit the low at the precise temperature. These brewers will offer you with a cup of coffee you'll never forget.   


The History of Coffee Makers


The original espresso coffee makers weren't straightforward to use. Operating them involved some extent of ability and left  masses of space for diversity. The operator controlled the intensity of the warmth and also the length of time the water valve remained open. Users may put in less occasional grounds and obtain stronger low or use a lot of water and get a diluted result.


The most common sort of coffee maker on the market is the automated drip low maker.  Everyone has had one of these at just the once or another and they're the foremost frequently purchased occasional manufacturers ever created.  They are straightforward to use, the low tastes smart, and they are available with all kinds of options.  The automated drip occasional maker ranges in worth from as low as $fifteen.0zero to as abundant as $three hundred.0zero depending on complete, choices, and what their specific purpose will be.  A normal ten cup automatic drip low maker can price a lot less than a larger or smaller automatic drip occasional maker as those are specialized units that serve a additional specific purpose.


Coffee Roasting: What Roasting Actually Does To Coffee Beans



So, whether you own a restaurant and would like new equipment or you're uninterested in having to travel to a restaurant to urge that nice boost of cappuccino, there's one that can look great in any kitchen! There are thus several completely different cappuccino machines to decide on from, you'll notice one you only can't get enough of!


Users of absolutely automatic espresso occasional manufacturers do not have to house grinding low beans or hot filters and cleaning sieves. Super machines embody either a steam wand or an automatic system to froth milk. Competition between super automatic espresso occasional maker firms is fierce. Each is seeking to make the simplest loved, most versatile machine. 


A brewing cycle lasts approximately three minutes. When the unit is aloof from heat, the vapor turns back to water and is forced through the filter and into the lower container. Farberware created the first automatic vacuum occasional maker model whereas Sunbeam made the first really automatic modern one.


Popular Espresso Low Makers


Single cup occasional makers are good for single folks and those that simply wish a higher cup of coffee than a traditional occasional pot will allow.  A single cup occasional maker provides you a better quality cup of occasional as a result of it absolutely was designed for simply that.  One premium cup of low.  Other occasional manufacturers will brew a lot of at a time but they are designed for speed not quality.


Espresso and cappuccino machines are more for a selective one who is aware of exactly what they like.  Unlike a normal low maker, these are expensive and you wish to apply to control them efficiently.  They utilize pressure, foam, froth, and milk depending on the kind of machine you buy.  Espresso and cappuccino are gaining popularity and these are changing into smaller and additional affordable than ever before.


Bunn Drip Occasional Maker: Drip occasional makers deliver brewed coffee into glass carafes. A warmer beneath the carafe keeps occasional hot.


Filter Basket: Metal filter where grounds are placed for brewing. 


New monitoring system for my homebuilt coffee roaster

This system was designed by a group effort of Homeroasters. It uses a customized Arduino and a custom "Juice box"(to measure voltage off the variac).  It monitors Time, ET(environmental temperature in the roaster), BT(surface bean temperature), RoR(rate of BT rise/min.) and Juice(voltage from the variac to the main heating element). It uses the custom designed pGesha software program. 

I can hook up to a computer through USB or view on the LCD display.
I'm about to mount the monitoring hardware in a project box.
This was a roast of Ethiopian with an extended
finish for espresso.

Storing Green Coffee Beans for roasting roaster

I use wide mouth canning jars and a Foodsaver vacuum packer to store and keep the green beans fresh. Qt jars hold 1 1/2 pounds of green beans. When packed the jars are labeled and dated. The jars are then stored in a cool dark place. I use a dead freezer. Keeps a good stable environment. For small amounts a dead mini-fridge would work well too.

"Fresh" Roasted Coffee Beans

"Fresh brewed coffee" is a commonly used and understood term. We have all experienced the results of a pot of brewed coffee that has been on the warmer too long. But what about "fresh" roasted coffee. As with all natural foods, roasted coffee beans spoil with time. It is the spoiling of the oils in the beans that most effect the flavor of the brew. The oils with time and exposure to oxygen become rancid. Before coffee beans are roasted(known as green coffee beans) the oils in the beans are naturally protected(won't get into the science of it in this post) for up to a year with proper storage. But once roasted the oils become extremely vulnerable to deterioration. The fresh flavors only last for about 10 to 20 days!!! After that the stale tastes begin to show up. Think of the difference in the taste of "fresh milk" compared to what it tastes like just as it turns a little sour a couple days after the "use by" date. It is the most protected secret in the coffee industry. Yes!!! that means you have been drinking stale/rancid coffee for years and probably weren't even aware of it. You have probably never experienced the sweet and incredible flavors in fresh coffee. The good thing is you now know better. And yes you can buy "fresh" roasted coffee or even learn to roast your own as many homeroasters now do. Some local roasters or coffee shops will sell you fresh roasted beans and will indicate the date roasted(if they can't tell you the roast date don't buy them. Or there are a number of online roasters that can have fresh beans on your doorstep within 3 days of roasting giving you a couple weeks to truly enjoy. Always grind just before brewing(ground coffee becomes stale much faster). And store your beans in a airtight container or in a one way valve coffee bag in a cool dry place. The fridge or freezer is not recommended(future post). Warning! once you've experienced fresh roasted coffee you will not want to drink anything but.

Buying Green Coffee Beans

There are an increasing amount of vendors of green beans for home-roasters. "Information" is what I look for.

Freshness- Do they list the crop year or do they say that all of their beans are recent crop unless identified as aged. Do they state when they received the beans, because this will help you know how long you might be able to continue to store some at home. Do they tell you anything about how they store their beans?
Bean Details- I need more than the word "Colombian". Farm or Cooperative name, region, elevation, soil type, varietal, how processed, bean size or mixed sizes, chemical usage and amount of defect beans are all very useful bits of information.

Cupping Notes- Every coffee is unique and cupping notes can describe the individual characteristics of each coffee.

As stated by the SCAA (Specialty Coffee Assoc. of America):

"Cupping is a method of systematically evaluating the aroma and taste of coffee beans. It is often used by growers, buyers and roasters to assess the quality of a particular coffee sample. Proper cupping requires the adherence to an exacting set of brewing standards and a formal step-by-step evaluation process. A trained cupper generally looks at six characteristics:
  • Fragrance - the smell of beans after grinding
  • Aroma - the smell of ground-up beans after being steeped in water
  • Taste - the flavor of the coffee
  • Nose - the vapors released by the coffee in the mouth
  • Aftertaste - the vapors and flavors that remain after swallowing
  • Body - the feel of the coffee in the mouth"
Some local roasters will sell you green beans and should be willing to answer questions. 

Saturday, January 2, 2021

First Look-1930s Reneka Type 50 espresso/coffee machine rebuild




Yes this thing makes coffee. Built in the 1930s in France. It's about 48"x 24" in size and is made to be wall mounted. One of the first commercial automatic coffee machines! I will be rebuilding this creature over the winter. More posts to come.

Sunday, September 27, 2009

Darker vs. Lighter Roasted Coffee

There a several differences between a darker roast and a lighter one. I divide the taste in the cup into the flavors in the coffee and the roast flavor(similar to the char taste of BBQ or broiling, producing carbonic acid). The darker the roast the more "roast" flavor will be in the cup. There are also various flavors in the coffee that will be stronger or more subdued depending on the degree of roast. Coffees that have fruited
(berry, stone fruit, apple, lemon, ginger and or nutty flavors (depending on the origin and varietal and type to processing)will shine at a lighter roast while chocolates will stand out more at medium to slightly darker levels. Vienna and French roast levels will be dominated by "roast" tastes. The quality of the coffee beans is much more important in light roasts. The growing conditions, care in picking and sorting, insect damage, molds, care in processing, handling, shipping, storage etc. will all effect the final quality. These are called defects in green coffee beans. Many beans are only dark roasted to cover up the defects in the beans. Light roasting quality beans takes much skill but when done properly yields a fantastic cup. I highly recommend trying lighter roasts from a quality Roaster.