| Entry: Dropshaft (Drain) originally posted by ApoXX [last edit 11/8/2005 9:25 PM by Avatar-X - edited 1 times] | ||
| In a typical drainage scenario, the tunnels will follow the downward slope of the terrain, allowing the force of gravity to move the water into a river, swamp, or lake. In some drainage situations, the river is at the bottom of a steep valley, and a tunnel following the slope of the terrain would wear it's self out from the force of the flowing water. Instead, some form of controlled dropshaft is used to get the water from high to low. The attached illustration is an example of a helical dropshaft similar to those seen in the Kittsondale Helix Drains.
Big thanks to "Macgyver" for providing information and diagrams! | ||
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