edmonton66 Senior Member Joined: 25 Apr 2012 Posts: 10 Location: Edmonton, AB Expertise: I love coffee
Posted Sun May 13, 2012, 5:58pm Subject: Rocket V2
Anyone know why Rocket decided to abandon the nickel plated boilers for the V2 Giotto/Cellini lines? I read a post from one user who bought a used Giotto in rough shape who had flecks of silver stuff coming out when he cleaned/descaled the machine and he figured it was nickel coming off the inside of the boiler. I'm trying to decide whether I should jump on the sales being offered on the V1 here in Canada or wait for the V2. Also not sure whether the extra manometer is worth the wait. Anyone?
dman777 Senior Member Joined: 26 Dec 2011 Posts: 237 Location: austin Expertise: I like coffee
Espresso: Silvia- No PID Grinder: Compak k3 touch Drip: french press
Posted Sun May 13, 2012, 11:29pm Subject: Re: Rocket V2
I emailed one of the co-owners on this. There is a big misconception on this. The boiler was only nickel plated on the outside for insulation, not inside. However, I was told that a very small amount of nickel MAY enter the internal faces of the boiler in this process. They said they had no issues in the 4 years of using it. Perhaps the nickel your friend is finding is from the E61 head? I don't know much about those heads, so I don't know if it is possible.
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 8,038 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Vene. A1, La Cimbali M32 Grinder: Azkoyen Capriccio, Major Vac Pot: 40s era Silex Drip: Msl. Com. brewers Roaster: gave it a try, decided no
Posted Mon May 14, 2012, 5:12am Subject: Re: Rocket V2
I personally do not see an issue. The descaling chemicals can be a bit hard on chrome surfaces so I see the non lining of a boiler as natural.
If you like the machine, buy it. If it worries you a lot, then don't. As I said, I see it as a non issue but it is your money so you need to spend it according to what will fit your needs and feelings best.
In real life, my name is Wayne P. Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!
Feed the newbs, starve the trolls and above all enjoy what you drink!
Posted Mon May 14, 2012, 5:29am Subject: Re: Rocket V2
I can't see a V2 anything selling big in Britain, and particularly in London. Ouch!
And that is a good call on the silver flakes from the E-61 group itself, and in particular, the mushroom. Water chemistry and backflushing chemicals can do that. Many owners just use a power wire brush or an appropriate abrasive solution and remove the rest of the chrome from the mushroom when they find that.
auxpomme Senior Member Joined: 5 Mar 2012 Posts: 93 Location: los angeles
Posted Fri Jun 8, 2012, 3:29pm Subject: Re: Rocket V2
Indeed, good catch on the name but I would imagine anytime a manufacturer can remove a step in the production process, that would lead to savings and possibly reduced quality issues. Of course, if you remove too many steps, I guess it could lead to increased quality issues.
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