How do canal locks work?

Question

How do canal locks work?

Answer 1

When in doubt use Wiki

http://en.wikipedia.org/wiki/Canal_lock

Answer 2

Basically, lock doors open and a boat or ship pulls into the lock, then the lock doors close and water is pumped in or out of the lock to raise or lower the boat to the water level on the other side of the lock.

Answer 3

it's just a longer story to be answered in here , so check this:

http://en.wikipedia.org/wiki/Lock_%28wat...

BTW : it's designed by Civil engineers who have a major in  irrigation works + Inland navigation

personally i knew it's capacity of transportaion from Harbours courses & how to align & design from Irrigation courses

Answer 4

A rover flows because the head waters are higher than the outlet.  Gravty returns rain water to the sea. This change in elevation causes problems when if the water is not controlled.  Locks are a devise that blocks the current effect but allows boats to transverse the system.  The lock allows the boat to enter a confined space then increases or reduces the water level to match that the vessel is joining.