|  |
|
Spiral Pump | |
| ||||
|
This pump is easy to construct, and can raise
water to almost half the diameter of the wheel. In its ancient form, a spiral channel is sandwiched between two circular plates, as shown on the right in a cutaway view where the front plate has been removed. Another way to make a spiral pump is to use a piece of tubing in a spiral shape, attached to a single wheel.
|
|
CD-ROM -- only $59.95!
|
|
(This is a still representation and possibly also a low-resolution
image of a fully animated pump.) 
