by GWiens2001 » 26 Dec 2012 10:57
There seem to be pluses and minuses to both directions of mounting.
Euro profile cylinders do mount the locks with the pins on the bottom, but typically use stronger springs to counter gravity, and likely, some light debris. However, if dirt or ice gets into the keyway, it has a greater chance of binding the pins. Also, if a spring breaks, it would be difficult to lift the key pin in order to open the lock.
Locks mounted in North American style, with the pins at the top of the keyway, typically use weaker springs which are more susceptible to breaking, but are less prone to having dirt and water go against gravity upwards into the pin channels, causing binding. And a broken spring, as another poster noted, will have much less of an effect on lock operation.
If others who are more knowledgable, of which a vast majority of members here are, have other opinions, I would love to hear them, so I can learn more.
Gordon
Just when you finally think you have learned it all, that is when you learn that you don't know anything yet.