1964 Corvair Monza EV

Catch Up / Cooling the Controller
Jun 07, 2022

It's been a long time since I've updated this site so I am going to play some catch-up.

Last fall in my test drives I would suddenly lose power. It didn't take me long to realize the Curtis controller was overheating and shutting things down to protect itself. In fact, the controller's gauge allowed me to see the temperature of the controller and it was pushing 65-70 degrees Celsius! I had to figure out how to fix this.

Fortunately, the Curtis controller was already mounted on an aluminum chill plate with threaded holes for hoses and I just had to run some cooling lines to it. So pictured above is my solution for now - a windshield wiper tank, a PC radiator with dual fans, and a 12 volt water pump. I am now circulating water through the chill place and so far I can keep the temperature (while driving) under 50 degrees Celsius.

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