melodiousdirge wrote:Well, being something of a challenge seeker... I think I could make one that compares to the commercial ones - probably would wind up costing more in the end though.
What I was really thinking about was a big mother that wouldn't leave the confines of the utility trailer, it would be big and bulky for sure, but I could cram a ton of dry ice or and regular ice inside and never have to make an ice run!
Probably more effective to just use a regular cooler and replenish ice from center camp hmm.
gyre wrote:They start at about $100 and go up.
ygmir wrote:I did just that two years ago, as an experiment. super insulated with 4" rigid, foil faced foam, all 6 sides. Foil faced mylar bubble wrap stuff on the outside.
9 days later, the icecream was still frozen, the dry ice was gone, but, the regular ice was still solid.
phatChance wrote:Obviously I'm late on this thread. I was searching the internet to figure out the best methods for insulation. Not sure if insulation in addition to an air chamber is the best. I guess I can find out, I think it's called the R coefficient, of air and other materials.
Anyway, to add to this thread, you may want to consider using fiberglass for your shell instead of wood. That would be the ideal kind of material to use. It's quite easy to fiberglass things. Sort of like paper mache, but with a respirator…
phatChance wrote:Here we go. Build a fiberglass container with an air chamber then figure out how to vacuum out all the atmosphere and seal it. Gives you a theoretical R Value of 30, compared to an R value of 7 from the home insulation.
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