Quote:
Originally Posted by THEFERMANATOR
For an engine like the YAMAHA, I would be looking at a mIRAGE or MIRAGE copy. They are 3 blade large diamter props that bite in HARD, give good holeshot, EXCELLENT cruise, and hold the water like nobodys business. You will sacrifice a bit on the top end, but the MIRAGE style large diamter props are just great all round performers offshore on bigger boats.
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what he said, its hard to beat. The new mercury enertia series is supposed to be the ticket for four strokes, I haven't played with them or seen them on anyones boat yet. The Mirage is always my go to on everyday use boats, if nothing else,it gives me a good starting point to go with when reproping as they are very consistent on their performance. I just went thru reproping a 25 Intrepid(twin 150 Opti's) for one of my customers, we started with 21 Tempest and it wouldn't tune any rpm(5000). I told him he needed somewhere between a 17 and 19 Mirage as my first guess. I changed the motor height and four different sets of props he brought me(17 mirage, 19 mirage, 19 revo, 17 protech). Ended up with 19P Mirage cut down a little to get the rpms up. The revo had the best midrange but lost 5 mph at top end and wouldn't turn over 4800, the protech worked real good, but the 17p number was a lie as it wouldn't turn as much as the 19 Revo. The prop guy he was buying the props from said the 15 protech sucked and he didn't stock them. WE were also trying to get the boat to stop porpoising. I had raised the engine height to try and get the rpms up. The boat had been rigged at Fon Du Lac by Mercury ( former WIsconsin Fish and Game boat). Intrepid swore the Tempest was the way to go(it sucked). The mirages cut his fuel burn at cruise by 6 gph, He lost 1 mph over the tempest at WOT but picked up 2 MPH at cruise. Hard to beat a Mirage