don't see what the big deal is with the model 13 in post #18. Go look at a new ruger double action. They look like that from the factory. Ok maybe not quite that bad.
Bob, the front of the Colt latch will be scored by the ratchet when the cylinder is closed no matter how fast or slow that is done. Your "correct procedure" will prevent it, but that just isn't done in the real world, and I don't recall Colt ever recommending it.
I guess being an engineer for the past 40 years has caused me to forget my physics.