Hey wacky...
I was gone from the forum for so long I just wanted to update you on my fur tumbler....remember you sent me about 20 pages of scientific calculations on motors, reducer pullys belts rpm's etc???
Anyway, with the info ya sent i was able to make a tumbler with a 55 gal plastic barrell and have it spining at about 40 rpm's (which is still a little fast) but i fill it 1/3 full of kiln dried sawdust and tumble whole coon or fox, rats and sometimes unfortunately a possum.....i skin beaver and yotes first.....
It worked great last season....so glad i made it....saves drying time and cleans fur and just makes em look great....THANKS WACKY!!
Tim B