5" power jet orifice diameter?

[pickaxe]

This link third post down gives the math for eductor sizes.

http://www.google.com/url?sa=t&rct=j&q= ... GE&cad=rja

For pretty good prices on mandrel bent pipe, check out Columbia River Mandrel Bending. I've gotten better prices from them even adding in shipping than I could here in town. Careful, you may drool!

[russau]

thanks for posting this! ive been wanting this info!