charging the ac

Why not just use ammonia? It is effective, poisonous, and will strip off that waxy buildup on your paint.

Say waht??? CO2 lethal at 2% concentration??? Man, that's gonna play hell with fire extinguishers and I ain't even gonna consider using dry ice again. Now what am I supposed to use to flash cool my brews?

I can believe the claim aga> As I mentioned R-152 is flammable and R744 is poisonous...If either vents to

I think they are all still doing it under license to DuPont. It will be interesting to see what happens when the patent for 134A runs out.

I didn't used to be so cynical... but then I started paying attention.

Jeff DeWitt

Nathan W. Collier wrote:

Back in the old days they did just that in big (and maybe not so big) refrigeration plants. I remember my grandfather taking about when a compressor at a refrigeration plant blew up, if I remember right several people died.

Check out the International Institute of Ammonia Refrigeration...

Jeff DeWitt

billy ray wrote:

Yes, I used the low range of toxicity. 10% is fatal

excerpt from MSDS: "...Carbon Dioxide is a powerful cerebral dilator. At concentrations between

I don't think they recommend huffing fire extinguishers of any type.

As for chilling brews..... dry ice in alcohol works well

Perhaps we should just carry around huge blocks of ice.

If you bore a few holes of appropriate size you will have ice chips and good cupholders!

ammonia is still alive and well in refrigeration applications. i work with it semi-regularly at an ice skating rink.

You could carry around a huge block of dry ice. You wouldn't have to mop that off the floor. ;^)

Earle

billy ray wrote:

Here we go again ;)

William Pughe wrote: