The Nicaraguan wheel is by far the most widely used wheel for the rope pump. It was developed in Nicaragua by Bombas de Mecate and is also promoted by Practica
Good Things
Simple
Quick to make
Cheap to make
Bad Things
Lack of a rim means that it easy for the wheel to develop a "wobble" causing the rope to rub on the pipe
Your Ideas
Please write any untested improvements that could be made
