Just read about the "Worker Bee" in Farm Show (vol 35, no 4, 2011). First of all, here is the website: Worker Bee.
It takes less than $1000 to build it yourself, and "is a good off-season project) as it takes about 50 hours. It requires no fuel, is quiet, easy-to-handle, and facilitates a lot of things on the typcal homestead.
www.thehappypermaculturalist.wordpress.com
We kept yelling "heart attack" and he kept shaking his head. Charades was the tiny ad's idea.
grow your own garden and build your own home, in Montana, for free-ish