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Not so hot (literally)
on August 14, 2011
I bought this to supplement an aging Salton Hot Spot model. The Salton worked okay, but I needed a second warmer. Unfortunately, the Mr Coffee produces disappointing results. Hot coffee becomes warm coffee on this unit. Being a forensic engineer, I was prompted to do some testing to determine what might be the problem.
Both units were tested unloaded (i.e. with no cup), and then loaded with a ceramic mug filled with room temp water. Here are the stats:
Salton: 23 watts, 260 deg-F unloaded temp, 245 degree with full cup.
Mr. Coffee: 17 watts, 226 deg-F unloaded, 180 degree with full cup.
So it appears that the Mr Coffee is a bit underpowered--it has a lower (albeit safer) starting temperature that can't be maintained under load. Once loaded, the surface temp is too low for useful heat transfer. Perhaps the Salton's design was guided by an engineer, while the Mr Coffee was guided by an attorney.