User Experience with the Strietman CT2 - Page 11

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dave_in_gva

#101: Post by dave_in_gva »

Thanks everyone. Agree it would not be too difficult to move forward which is anyway what I do for my HG-1 grinder each use.

By the same token I am guessing I could move the Cremina back and forth I suppose - or the Londinium Vectis which Reiss is saying he will provide more specifications on in June....

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Chrikelnel

#102: Post by Chrikelnel »

Has anybody tried both a Strietman and a Cafelat Robot? I have a Robot but I'm thinking of getting a Strietman as my main machine for its light roast capabilities.

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truemagellen

#103: Post by truemagellen »

Love the robot but Strietman is a huge upgrade since you can pull multiple shots. Also I prefer a 49mm basket to 58mm on a lever particularly a manual one.

renatoa

#104: Post by renatoa »

+1 for the smaller basket !

what specific feature make CT2 more capable for lighter roasts ? :?

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truemagellen

#105: Post by truemagellen » replying to renatoa »

You can have temp stability through the entire shot thanks to the internal heater heating elements

renatoa

#106: Post by renatoa »

The heater is for long term stability, during extraction the loss is too small in a closed group to be a concern.
There is no reason to have a loss bigger than one degree during a 30 seconds extraction, when the liquid is sealed between the piston and coffee puck.
Also, heating elements placement shows they were not intended to heat the lower area of the cylinder.

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truemagellen

#107: Post by truemagellen » replying to renatoa »

I meant keeping the heat up as you do a long preinfusion, lets say a 30-60 sec preinfusion on some light roasts. It is certainly harder to heatsoak a stainless Robot to get the temps high enough and keep them throughout a long light roast preinfusion although a small tapering temp profile I'd consider desirable after preinfusion.

The strietman heating elements are in a brass machined cavity bolted to the outside of the piston cylinder in the back (the inside is sleeved with stainless on the newer CT2 but on the ES3 which I have there is no stainless). The entire brass cylinder heats up and dissipates heat throughout very evenly, only the portafilter seems to be a bit cooler but only on the exterior.

At first I wasn't that fond of the ES3 but once I got into the rhythm with it, I enjoy it as much as the Izzo Alex Leva and from a quick startup/'portability' factor it beats it.


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Chrikelnel

#108: Post by Chrikelnel »

Also does anybody know what wood is on the CT2 product photos on the Strietman site?
Edit: Wouter got back to me it's cocobolo which unfortunately isn't currently available

Espressoman007

#109: Post by Espressoman007 »

truemagellen wrote:I meant keeping the heat up as you do a long preinfusion, lets say a 30-60 sec preinfusion on some light roasts. It is certainly harder to heatsoak a stainless Robot to get the temps high enough and keep them throughout a long light roast preinfusion although a small tapering temp profile I'd consider desirable after preinfusion.

The strietman heating elements are in a brass machined cavity bolted to the outside of the piston cylinder in the back (the inside is sleeved with stainless on the newer CT2 but on the ES3 which I have there is no stainless). The entire brass cylinder heats up and dissipates heat throughout very evenly, only the portafilter seems to be a bit cooler but only on the exterior.

At first I wasn't that fond of the ES3 but once I got into the rhythm with it, I enjoy it as much as the Izzo Alex Leva and from a quick startup/'portability' factor it beats it.

image
Hi,
that is a cool base for ES3, how heavy is it, looks good too! I have just put an order for CT2 today, can't wait to play with it.

Cheers!

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truemagellen

#110: Post by truemagellen » replying to Espressoman007 »

Thanks I just took some scrap metal from my shop, it is all aluminum. Right about 3lbs. The wood accents not installed on the ES3 weight about 2lbs so I went up 1lbs.

I'll probably clean it up and make it more travel friendly as it doesn't need as much width if I have a stickier base.

Congrats on the CT2!!!!