http://www.brca.org/sections/subsect...ationals/24542
Lots of great information from the BRCA. guys.
what is confusing to me though is the rollouts quoted for 13.5. I would consider a rollout of around 85mm to be typical here in Canada, but the Brits seem to be using much lower gearing.
Whats going on? Any Brits care to chime in?