naked-portfilter wrote: Post some pictures if you opened one of yours pls!

Cheers

Could stand some polishing, so depends on the look you are going for. Brass looks a little nicer inside I think.

naked-portfilter wrote:Playing around with my dslr, my phone and the Cremina:

Scale isn't finished yet. This is the naked version.

Wow, that's really cool!

@pcroque, Double Shot, vberch, arcus: thanks for your comments. I hope I can show you our Pavoni version soon .

Hi Andre,

Thanks for the pictures. It's practically the same gauge as mine. I don't really understand this distinction between brass and ss bourdon tube. I'm kind of puzzled because these are the pressure gauges for the Strada MP (made of brass). They are working just fine. They seem to be easily handling the piping hot temps of the brewing water.

naked-portfilter wrote: Hi Andre,

Thanks for the pictures. It's practically the same gauge as mine. I don't really understand this distinction between brass and ss bourdon tube. I'm kind of puzzled because these are the pressure gauges for the Strada MP (made of brass). They are working just fine. They seem to be easily handling the piping hot temps of the brewing water.

Yes internally it's the same config! A Bourdon tube is just that flat C shape that flattens out slightly when pressure is applied. The material I'm sure matters how much it stretches depending on the thickness. So I believe when making the gauge they determine the pressure scale, then based on that and the material they decide thickness...then to fine tune I'm sure selecting the right gears is key.

Temp does shift the pressure readings on all these gauges somewhat, but overall brass is just fine I believe. It's really just about cost vs extreme long-term service, but I'm fairly sure the brass gauge will last you a long time. If corrosion resistance is needed stainless will be better.

Mostly I would choose based on aesthetics.

The only reason I use stainless is that all the internals on my machine are stainless so it makes sense to me to keep it all the same.

Oh shoot, you making a Pavoni version Gabor? Please let me know what it would cost if you are getting more than one..., though I might not be able to swing it I would want to try.

as to the pressure gauge, while my research has led me to understand that the brass is not rated for the higher parts, that brass is wicked and well worth ignoring the supposed stainless benefits for such a sharp look over the stainless.

naked-portfilter wrote:@pcroque, Double Shot, vberch, arcus: thanks for your comments. I hope I can show you our Pavoni version soon .

Hi Andre,

Thanks for the pictures. It's practically the same gauge as mine. I don't really understand this distinction between brass and ss bourdon tube. I'm kind of puzzled because these are the pressure gauges for the Strada MP (made of brass). They are working just fine. They seem to be easily handling the piping hot temps of the brewing water.

Polished slightly and added markings in Sharpie for 0-2-4-6-8-10 bar along the tube, with 10 bar on the case near the 3 o'clock position.

I'm planning to use this and see how long it lasts without the case.

EspressoForge wrote:I'm planning to use this and see how long it lasts without the case.
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I think it will work just fine (and long). Exactly as my naked gauge.

Just a bit delay in that Cremina and Pavoni pressure gauge project. We need a custom made fork for the Group also for everyday use. I will get them in the second week of March. In the mean time I will try to prepare the Olympia Express Club for the same 'xtra.



It wasn't easy to unscrew the piston from the rod

No time for such silly things (pressure add on for the Olympia Club) in the machine workshop . We have finished a short movie instead:

Love it. How do the shots compare on the Oly Club? And which machine do you use most often, and which the least?

I'd say the shots are equal. But the Club is more for parties. The brown one was in service in a disco in the former Yugoslavia . Warming up takes a lot of time.

I use the Cremina on daily basis but I fell
In love with my Caravel during our ski holiday.