Calculator Culture YouTube Video on the HP-48GX

[johnb]

(03-25-2024 09:00 PM)John Keith Wrote:  

(03-25-2024 06:55 PM)johnb Wrote:  I would think a very low-viscosity nonconductive oil would make a good coolant, though I can imagine that it will never achieve as many BTU-transferred per unit volume as water does.

Actually, most high-voltage transformers and switchgear are filled with mineral oil which provides both cooling and electrical insulation.

LOL! I can tell I'm getting older. Back in the depths of my mental archives, I knew that, but it wasn't directly accessible to my conscious mind!