Apropos to my various and repeated advice not to rely on experts and professionals, here is a rather good TED talk saying the same thing, and why.
http://www.youtube.com/watch?v=WNTk29zXl4A

The Titanic was designed, built and sailed by " experts ".
Noah's Ark was built by ' Amateurs '.

That 0-6-0 you proudly proclaim to be the hogger of was probably designed and build by experts as well.

That 0-6-0 has been on the rails since June 1901. It is on it's second boiler. The tires were most recently turned in-place at it's home, Williams Grove, PA ( PRR 643 ). The moniker more proudly honors my grandfather, who retired from the PRR, having been hogger of the East Pittsburgh peddler. His was a newer model B6. It was built, maintained and operated by professionals, and now is in the hands of Railfan Hobbyists. ;-)