He barters washers with Bob Trow, who is busy working on a water pump. These were kept cool by water circulated by a submerged water pump. An electric water pump eliminates serpentine belts. The capsule was screwed into the body of the water pump. All engines come with an electric water pump and balancer shafts. Verdant Resource holds a patent for a wind-powered water pump. Each block retained its own crankshaft, distributor, and water pump. The engine lubrication was a dry sump type, cooled by a single water pump. A water-powered pump unit is a hydraulic turbine coupled to a water pump. The engine used two heavy pistons to provide motion to a water pump. The engine lubrication is a dry sump type, cooled by a single water pump. Water pump seal lubricant is also added. The timing belt also drives the water pump. Water cooled by thermosyphon with no water pump or fan. The camshaft and water pump are driven by the timing belt.