On Mon, 24 Nov 2003 12:09:03 +0000, Andy Dingley
wrote:

On Mon, 24 Nov 2003 01:56:13 GMT, "Bob Davis"
wrote:

I had a course
in fluid mechanics in college and its slowly coming back to me.

I had a course in it too. Do you still get the nightmares ? 8-)


Me too. I also designed hydrocyclones used in the paper/pulp
industry. The knowledge and experience helped me to build my shop
cyclone for cheap. With pipes, the smoother, the less turbulance and
better flow.