Originally Posted by Sticky
assuming newer blocks prove themselves not to fail prematurely outside staistical variations then newer blocks are without a doubt better engineered. in order to make something both lighter and suitable for the application intended requires more knowledge and better understanding of the possible operating conditions, loads in service, duty cycle etc and better understanding of mechanical properties so you dont get it wrong. you need a better understand how structures behave so that material is added in the right areas in an efficient manner. lots of stuff has been and is done by designers (non engineers) eye balling stuff, rules of thumb and that works very often but in the modern world you will never be the best at what you do with this approach
stronger does not mean better unless of course that is a design objective.
anyone can build a bridge, but to design and build something that is light, economical to proiduce and efficient is where engineering comes into it "