Thanks to the collaboration of Dave Grieshop and Larry Acker, this September/October issue of Home Energy Magazine illustrates (with figures!) how pump plumbing technology acts to counter the Long-Bullet Effect. This is relevant, interesting material– take a peek by following the link here (on pages 25,26, and 28!): http://www.omagdigital.com/publication/?i=&p=&l=1&m=15729&ver=&pp=