Londinium I Lever Espresso Machine

Seeya_Latte

I would imagine that the left vs right steamarm positioning for most people is more a preference and not a dealbreaker unlike in my case a couple of years ago when I upgraded. I was hamstrung by design because the allocated spot on the bench dictated I needed the steam arm on the RHS and in doing so narrowed the available choices quite significantly. I like the idea of this machine as a potential future upgrade so selfishly I would like it if it remains on the RHS because I don't think I could get away with suggesting we need to sell up to accommodate my next machine. But all jokes aside if I liked a certain machine for a bunch of other reasons, I for one would make the necessary changes to my steaming routine instead of running the risk of settling on another machine that I may only be 50-50 on

Paolo5

lespresso wrote:

hi GBP1500 incl 20% VAT, which will not be charged for exports outside the EU you are looking at about GBP200 for FEDEX door to door to Australia, which depending on how Aussie customs feel, should reach you in about a week. its a fully tracked service anyway, so you can see exactly how far away it is spec 2.3L copper boiler 2800W or 2400W for NZ/AUS if preferred so it runs on 10A, but id recommend the full fat 2800W experience if you can big 'ol spring group with thermosiphon vibe pump (i know, i know, but the guys making it assure me they have used it in their other machines for years and it is very reliable) looking at about 550mm(d) x 320(w) x 320 (h) GBP1500 is for the base model with stainless sides and black synthetic handles there will also be a more expensive version with glass side panels & polished copper boiler & pipes that has then been clear coated so it won't tarnish & that's about it think reiss.

Hi Reiss, You said this in an earlier post, can you please clarify the wattage aspect for me? Do both the 2800W and 2400W models run on 10amp power? Or is the 2800W model designed to run on a 15amp circuit? What benefit would the higher wattage model offer the user in a household environment? It's great to be able to ask these sorts of questions. Many thanks, Paolo

lespresso

P=IV so P/V=I so if you take the 2800W element and run it on 240V it will draw 11.67A this is the std UK build and it is nominally assumed to run on a 13A plug, which is the UK std you will recall someone on this forum said hey, we only have 10A in Aussie & NZ, the 2800W won't run on a 10A spur and it would be a real pain if i had to put one in my kitchen so for NZ/AUS & any other 240V/10A markets we offer the also offer the 2400W element if you are able to access the needed 13A you should take the 2800W element as it will heat faster & recover faster, which is one of the benefits of this machine (i.e. leave the steam wand full on - it won't lose pressure, even it drawing a shot) - on the E61 fracinos you can leave the pump on and the steam wand full open and the water for the group won't go cold and the steam pressure won't drop - it will keep going until it hits the low water mark and turns itself off the 2400W will still work fine - to put it in perspective the 110V element is 1400W

lespresso

Lwowiak take a look at how far back from the front & sides the feet are on your Bosco - move those right to the front corners and that will significantly improve things for you the trouble is they are mounted to the angle iron frame - there is nothing of strength in the front corners of the machine, so you would need to build out the frame into the corners we've had to do more than just that - we don't have a stonking 6L boiler & the water inside for ballast for starters how we've done it will be obvious to anyone with an engineering mind as soon as they see the machine of course reiss.

ash

Hi Reiss, I'm yet another who is following the development of this machine with keen interest. When I was looking for my ideal home lever machine a couple of years ago, what you're buliding with the Londinium I now, was what I was after then :coffee2: Better late than never ;D With regards to the steam wand, I don't care what side its on, as long as it has one. Moveable or not isn't a great concern either. As a user of a Ponte Vecchio Lusso, I can say that you get used to a fixed arm quite quickly. My greatest wish is that I can get a factory supplied naked portafilter and some wooden handles for the machine, either as part of the initial purchase or at some stage after.

lespresso

granted.

UNM

I think a pressure relief valve on the group would be good. When I stuff up and choke the machine, I want to ditch the failed puck and pull another asap. Understood you want to minimise complexity so why not do away with steam and hot water valves to compensate. Some of us drink coffee, not coffee flavoured milk or girlie man long blacks :stir

Lacehim

UNM wrote:

I think a pressure relief valve on the group would be good. When I stuff up and choke the machine, I want to ditch the failed puck and pull another asap.

It's not required UNM. The pressure disapates quickly enough, and you can ease the group handle off without an explosion. At least that's my experience on the Lusso. I haven't ever wanted for this feature on a lever and I've been using the lusso for well over a year now.

lespresso

UNM don't worry, I've thought about it. (your 2nd suggestion, not the first) reiss.

Paolo5

Not having a steam and water tap would appeal to me....

derrilex

Lacehim wrote:

It's not required UNM. The pressure disapates quickly enough, and you can ease the group handle off without an explosion. At least that's my experience on the Lusso. I haven't ever wanted for this feature on a lever and I've been using the lusso for well over a year now.

Where does the pressure go Lacehim ?

Lwowiak

Watch this video. At 34 seconds in, the barista slightly lowers the lever, and lets it go, to release the pressure. You can then remove the group handle. http://www.youtube.com/watch?v=Ir68iy3IuQI

Lacehim

derrilex wrote:

Where does the pressure go Lacehim ?

Same place all the other pressure went. Though the coffee puck. ^-^ It's why you get a drip after the pour has finished with a lever, it's the last of the low pressure water being pushed though. I always slid a cup under the group after I've finished. Even on a choked pour the lever will eventually come up, but it might be some time. You can also do what Lwowiak said above. 🙂

derrilex

Cool Lwowiak. So If you get a full on choke with the Lusso Lacehim how do you deal with it ?

Lacehim

derrilex wrote:

So If you get a full on choke with the Lusso Lacehim how do you deal with it ?

Just leave it to do it's thing (aka go for a smoke, have a cuppa etc :rofl: ), it will just take a bit longer. Serve it up and see what your guest think about your 2 minute extraction. 🙂 I've only ever done it a few times with the lusso. The lusso seems to like a finer grind anyway I think. I usually find my "guess" at the correct grind is too quick, and grind a tad finer for the next shot. I did read somewhere that someone put there lever handle on upside down when changing the seals on the lusso. Instead of clamping it again to fix it, he just pulled a shot that choked the machine, and quickly took the lever off and turned it upside down. Risky move, but it worked for him! The beauty of the lusso is if you fluff the first shot, you can change your grind and run another one while you wait. The 2 group layout has its benefits!

derrilex

Poor little Lusso 😃

Paolo5

Hi Reiss, I just read a few interesting comments on HB on the Londinium 1 thread that is happening there. Quite different to this one. I noticed that under your listed equipment that you have "L1". Does this mean that you are using the prototype on a daily basis? If so, It would be good to hear comments on your results with this new machine (keeping in perspective, of course, that it is your baby...and we all are quite partial to our own babies). 🙂

Paolo5

Reiss...can you also comment on how you went about "tuning" the group to suit the Londinium 1 application. Many thanks, Paolo

Paolo5

For the electrical engineers amongst us....is there such a device available (step-down transformer???) that would enable a 2800W machine to run on 10amp power when that was all that was available...but when 15amp power is available you could remove the device and plug into the 15amp power?

Koffee_Kosmo

Paolo5 wrote:

For the electrical engineers amongst us....is there such a device available (step-down transformer???) that would enable a 2800W machine to run on 10amp power when that was all that was available...but when 15amp power is available you could remove the device and plug into the 15amp power?

In this particular case you woud be looking to go to a step up transformer to meet the demand of the element KK

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