dedicated to the discussion of the chinese internal martial arts of xingyiquan, baguazhang, taijiquan, related arts, and anything else best discussed over a bottle of rum
You should read Patrick Kelleys book to see where he came up with that idea Raising and dropping is something my teachers strongly warned against as it is too easily exploited by a skilled opponent However it does make your students easy to uproot
Don't put power into the form let it naturally arise from the form