gfs - I run an older smaller diameter 17p enertia . . . The newer eco enertias are HUGE 16" diameter props meant for BIG hp motors.
This is a 17P enertia on my 23 into the wind, light chop, full fuel, slack tide. It's the fastest prop I've run so far.
https://www.youtube.com/watch?v=jg7cdv1w1vE