J/30 Class Association Forums J/30 Forum The Boat, Sails and Equipment 3 blade max prop setting? degree / pitch

Putting on a 3 blade 14 inch max prop on my 3/4 inch shaft, for my Yanmar 2GM20F, onboard LimeLight. The manufacture reccomended a setting of 20 degrees blade angle. Want to verify that 20 degrees isn't too much.

Marty
LimeLight
Hull 51