u/2Drogdar2Furious

I have a current system that uses a 12v water pump and a (approximately) 1.5L water tank to cool a pad 12" x 24". The pad is made up of thin fabric and has a small diameter hose sewn into covering most of the pad. The pad sees peak temperatures of 100f when not cooled. Current cooling effect is achieved by filling the tank with ice, then with water, and the pump is ran off of a 12v power source (Dewalt battery).

This system works but is cumbersome and requires draining the tank to refill with ice/water several times a day.

I was thinking of using some cheap 60w peltier pads instead and replacing the tank with an aluminum water block. I think I could then make case (3d printed) to house the water block leaving two ends open and using 12v computer fans on either end to circulate air (over aluminum heatsinks for the peltier(s). I'm not sure how many peltiers would be needed to achieve sufficient cooling and I'm worried about power consumption. I could run a 12v 2ah battery for the pump and I think another 12v 12ah for the cooling array would be about the max amount of battery weight from a portability standpoint...

Help me Reddit-Wan Kenobi, you're my only hope.

https://www.summitracing.com/parts/PWT-2311-LR

It's either this or weld the diff IMO. I've been stuck twice on wet grass (yard is steep). Assuming this actually fits...