This detailed casting process demonstrates the skill and precision required to shape durable brass parts. From preparing ... to produce a high-quality water pump impeller. German Chancellor ...

Water pumps are used in both domestic and industrial applications to move the liquid from one point to another.

This is the case with [Penguin DIY]’s tiny centrifugal water pump built from 5 ml syringes ... used for small toy-grade quadcopters. The tiny impeller is a section of the syringe’s original ...