The BOARDWORLD Forums ran from 2009 to 2021 and are now closed and viewable here as an archive
This is an interesting test
[youtube]http://www.youtube.com/watch?v=IRIt2rna2Pk&feature=plcp&context=C351487dUDOEgsToPDskJvPjd9_hyaiTU5nYgCJbf_[/youtube]
summary: basically it doesn’t matter what profile or edge tech, the main factor is having clean sharp edges at 90 degrees with no detuning.