Hand Rope pumps
The "down the hole" part of a Rope pump consists of a guide box,
PVC tubes and a rope with pistons. Model A has an upper part which consists of a wheel, a handle, and a
structure or frame to support the handle. Model P has a handle which is mounted on poles. Materials used are angle iron, tubes and round bar. "User made" Rope pumps are often made of wood. The
A model has two options:
|
| AH for hand dug wells |
|
| AB for boreholes |
| Specifications Pump capacities: |
40 liters/minute 10 liters/minute 7 liters/minute |
10 m. head 35 m. head 60 m. head (double handle) |
 |
Model AB
as installed by the Humana organisation, India |
 | |  | |
| |
Model P
Handle supported by poles of wood or metal.
Cost US$ 15-50 . (depending material and labour cost)
(More information models P **)
|
 |
| |  | |  |
Advantages of model P over model A:
- Easy installation on existing wells. If a pulley and bucket was used, the same poles can be used to mount the handle.
- Fits on any size of well.
- Easy to combine with a low cost well cover (made in 2 parts to allow access to well).
- Less material, less corrosion, cheaper.
- Easy to mount a second handle (for deep wells) or make it pedal or motor driven.
- Easy transport, less voluminous.
- Discharge can be at 1 to 1.5 meter above ground level so useful for irrigation (see Low-cost irrigation).
Disadvantages of model P over model A:
- Less attractive as a compact "off the shelve" product.
- Has to be combined with a well cover or other support to fix the discharge tubing.
|
 |