Performance: balanced, leaning toward top speed
current blade: 11 3/4, 17" aluminum
boat: 13' inflatable Lomac (italian) with hard shallow V keel
motor: '94 40HP envinrude
speed: 30 Knots GPS
revs: 6800 WOT two persons onboard
Motor new had a 15 pitch blade (cannot remember diameter). Scraped...