(GPGT)Espresso machine hoot

turboo

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1. Timing can start when you hit the switch since your machine does not have preinfusion. Depending on the machine the 1st drip may be anywhere between 1-20 secs. You can brew 25secs and then grind finer and brew something at 35secs achieving the same brew weight and see how it tastes.

2. It could be the coffee is preground or light roasted or you are using a pressurised portafilter and the grounds are not fine enough.

3. pressurised portafilter is the way to go if you are using preground. Preground will lose freshness rapidly and if you use nonpressurised portafilter with preground you will see your flow rate get faster and faster as the coffee continues to lose its freshness.

4. Yes. a finer grind will result in lower flow rate and hence a longer extraction time (Assuming you maintain the same brew weight).

5. Material only matters in its durability. 15kg is just a rough gauge. you can use a calibrated tamper or just tamp without overexerting yourself. tamping does affect the flow rate but not so much unless the barista is wildly inconsistent between using feather light tamps and gorilla tamps.

6. Not familiar with opv mod or steam wand mod. But a classic steam wand (and the necessary skills) will definitely get you better frothed milk than a pannarello.

Thanks!

For the calibrated tamper, should I be getting 57.5mm or 58mm if my portafilter is 58mm? Understand that tamper is usually slightly smaller than the portafilter, correct?

On the extraction time, 25s ends when when the color turns lighter brown yes?
 

Lazy_Tiger

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Thanks!

For the calibrated tamper, should I be getting 57.5mm or 58mm if my portafilter is 58mm? Understand that tamper is usually slightly smaller than the portafilter, correct?

On the extraction time, 25s ends when when the color turns lighter brown yes?

best to get the tamper that fits your basket nicely with minimal gaps. if you are going to use VST baskets, they go well with tampers that are slightly larger than 58mm like those by Barista Hustle since vst baskets are slightly larger than 58mm.

I wouldn't worry about getting a calibrated tamper first unless you have problems getting a consistent tamp. most people can learn getting a consistent tamp quite easily with sufficient force. there is only so much you can compress the grinds. Getting a 0.1g scale is more important (water resistant is possible, e.g. brewista or acaia lunar).

I don't use colour as a gauge because it is subjective and depends on the roast you use. its better to stick to brew weight. consistency and adjusting one variable at a time is your friend when dialing in the sweet spot for espresso.
 

wook2000

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linusz

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Will not advise getting, the cleaning part is a PITA.. Fines will get lodge within the mesh, very hard to get it out unless you diligently use a soft brush and soap after each session and brush it out.

Will the one from tiong hoe suffer the same

Posted from PCWX using ALP-L29
 

linusz

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i use the kruve grind sifter and yes i agree that any metal mesh is going to be some trouble to clean of coffee grinds.

Not sure if all are of double mesh. I would think double mesh will be stuck if too fine

Else I think single mesh is good. Or is there something with single mesh?

Posted from PCWX using ALP-L29
 

wook2000

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Not sure if all are of double mesh. I would think double mesh will be stuck if too fine

Else I think single mesh is good. Or is there something with single mesh?

Posted from PCWX using ALP-L29

I would say as long as the mesh is fine, the coffee fines will have no problem clogging it up, stick to paper, its much easier to clean up.
 

Kiingntr

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Anyone has experience with Bezzera Strega and Helor Flux hand grinder? I'm trying to dial in the shots but having difficulty.
 

Kiingntr

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I'm using an Atago refractometer to dial in my shot based on TDS but I can't seem to pull shots that are above 8% despite grinding very fine. I'm using a 1:2 brew ratio.
 

wook2000

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I'm using an Atago refractometer to dial in my shot based on TDS but I can't seem to pull shots that are above 8% despite grinding very fine. I'm using a 1:2 brew ratio.

What are your extraction percentages? What was ur previous grinder?
 

Kiingntr

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hmmm.. I am relatively new to espresso. So I only have the Helor 101 and 106 as my grinders. Based on my current routine, I'm only getting around 15% extraction.
 

wook2000

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hmmm.. I am relatively new to espresso. So I only have the Helor 101 and 106 as my grinders. Based on my current routine, I'm only getting around 15% extraction.

I am not too familiar with lever machines, is your grinder new? a few possibilities i can think off.

1) Grinder not seasoned enough
2) Are you distributing and tamping well enough
3) What coffee are you using? Lighter roast can be notoriously hard to extract well, especially in espresso settings
4) Play around with the preinfusion to saturate the puck better
5) Espresso measurements via refractometer can be very finicky, are you agitating your coffee well enough before placing on the machine for measurement

Lastly taste taste, how does it taste to you? 15% extraction is rather low, could taste rather under extracted and sour, lack of body, thin, etc

Being new to espresso, how does yours taste compared to popular cafe?
 

Kiingntr

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Yes, I can't find much information regarding lever machine and TDS measurement online.

1) I guess my grinder can be considered not seasoned enough. At most it has only gotten through about 1.5kg of coffee.

2) I'm not too sure on this. I have tried using a naked portafilter. Although not perfect, I don't see any major channeling issue but I may be wrong.

3) I am currently using Guatemala beans from Nylon Coffee Roaster.


4) Will try to read up on how to do this. I pull up the lever once I see the first drop of coffee.

5) Yes, I tried to stir the espresso as much as I can.

Taste wise.. I am a bit of a noob and I don't order espresso drink outside. However, I find my shot a bit sour and thin.
 

wook2000

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I am would be guessing the beans you are using.. nylon roast can be quite lightly roasted generally..try getting a dark espresso roast and rest it atleast 2 weeks as a bench mark.
 

Kiingntr

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I am would be guessing the beans you are using.. nylon roast can be quite lightly roasted generally..try getting a dark espresso roast and rest it atleast 2 weeks as a bench mark.

Thanks for your help! I will try to get some darker roast. Does anyone have the Helor 106? Do you mind sharing your setting?
 

Lazy_Tiger

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Thanks for your help! I will try to get some darker roast. Does anyone have the Helor 106? Do you mind sharing your setting?

Have not used a refractometer before but how does it taste?

consider using vst baskets and grind finer.

or preinfuse longer if you want to use standard baskets.

Increasing the temperature may help.



I don't have a strega but i did some research about it before i got my 2nd machine. This is the temp profile of a strega, temp can drop by alot during the shot if you do a hx cooling flush.

https://www.home-barista.com/espresso-machines/best-flush-routine-for-bezzera-strega-t20432.html

if all else fails change the beans, jewel or strangers reunion usually are slightly darker roasted.

I find that lever machines excels at dark roasts but can be tricky with light roasts.
 

lacazette

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Hi guys,

Am looking to get a bean to cup machine with milk based drinks feature - have shortlisted the delonghi eletta cappuccino top (~1k). Does anyone have any experience with this?
 
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