Prince de Bretagne Maxi 80, Interview with Lionel Lemanchois on Voiles et voiliers goes into more detail on the mast canting system

The Voiles et Voiliers interview (in French) is here:

http://www.voilesetvoiliers.com/course-regate/route-du-rhum-2014-lionel-lemonchois-explique-son-nouveau-greement/

I found that Google or Bing translate did a tolerable job.

and a video of the Prince de Bretagne maxi in action during the 2013 Fastnet Race.