HomeRoast Digest


Topic: Rosto answers >was Re: you've got buyers..excellent (28 lines)
1) From: Mike McGinness
Hi Kathy,
I replied on list since there are other experienced Rosto roasters to draw
from. Oh, sorry for the late reply...
From: "Kathy Hawken" 
<Snip>
Optimum US voltage is 120v. Optimum voltage for a specific degree of roast
is hugely variable but if your voltage is too low you'll never make full
city. It also depends on the specific Caffe' Rosto, they vary. Also depends
on ambient termperature. Stock Rosto 120v ambient 70f 1/3# batch I'd expect
Full City, just hitting 2nd crack, around 10-12min.
<Snip>
Generally speaking smaller batch size equals greater air flow equals lower
max temp equals lighter maximum roast. I bought the Rosto intending to split
a pound three ways and that's what I made it do. Stock it took Rockin' Rosto
technique for bean movement early on, heater fan inputs split/fan boosted no
problem bean movement start of roast. 1/4# has better bean movement stock
Rosto (bean movement needed is just barely barely moving start of roast IMO)
MM;-) aka Kona Konnaisseur miKe mcKoffee
Dual Variable Transformer Rosto Roasting
Rocky grindin' - Miss Silvia brewin'
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