SIMPLEX-DUPLEX PUMP

Description

Tired of trying to pump water into your live steam locomotive boiler with a balky, one-lung simplex pump? This variation on a theme provides a simple way to add a duplex linkage to greatly increase the pump's reliability. You can modify an existing pump or build this one from the ground up! Full plans, photos and text. Reprinted on CD from an article by Bob Maynard in
Modeltec
magazine. No castings required.
Adobe Acrobat format, and you can make print-outs for use in your shop.