Edited 18th August 2013:
This project thread is now 33 pages long so here are some quick links to the end results...
A 39 page downloadable pdf containing most of the project research and conclusions:
A 21 page downloadable pdf of my finished E11 Replicas (with five different Power Cylinders variations): (Full acknowledgements of everyone who has contributed to the project are on the final "Credits, Thanks & Links" pages of both pdfs.)
Sales thread for screen-accurate