On 25 Apr 2004 18:49:31 GMT, Wilmoe wrote:
figure it should have some agitation so it can sift while I shovel.
Whenever I put my pencil to paper I wind up designing the Hummer of all
sifters because I get concerned with sturdiness and flexibility. I'ts a mental
thing.

I'd suggest Ye Olde Archeologist's model: http://www.nps.gov/rap/tools.htm
Even better is to hang it from a tripod:
http://www.harding.edu/nursing/heifer.htm