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venetrex
01-30-2010, 08:47 AM
I have a 2007 X2 MCX with the additional fly high ballast setup. It came with a 14.50 X 14.25 that was wasted when I got the boat, I purchased a 13.5 X 17 which I was running, except I dinged it. I sent the 14.5 X 14.25 back and unfortunately for me it was unrepairable :(. So now I don't know what I want to do. I mainly hydrofoil(air chair) fully ballasted between 23 and 25.5 mph. I also wakesurf and mess around with some wakeboarding too. I slalom too, but rarely. So the question is do I fix the 13.5 x 17, buy a new or rebuilt 14.5 x 14.25 or go for the 14.75 x 15.5 (the steep price is a killer on this one).

Thrall
01-30-2010, 09:11 AM
I wouldn't spend 5cents on the 13.5x17 since you're not looking for top speed. Plus if you want a new one, people are giving them away. Mine's getting propped down before it hits the water again. It's a slug with the high pitched prop.

TMCNo1
01-30-2010, 09:12 AM
I have a 2007 X2 MCX with the additional fly high ballast setup. It came with a 14.50 X 14.25 that was wasted when I got the boat, I purchased a 13.5 X 17 which I was running, except I dinged it. I sent the 14.5 X 14.25 back and unfortunately for me it was unrepairable :(. So now I don't know what I want to do. I mainly hydrofoil(air chair) fully ballasted between 23 and 25.5 mph. I also wakesurf and mess around with some wakeboarding too. I slalom too, but rarely. So the question is do I fix the 13.5 x 17, buy a new or rebuilt 14.5 x 14.25 or go for the 14.75 x 15.5 (the steep price is a killer on this one).
Go directly to the man that knows, Eric Johnson @ http://www.ojprops.com/contact_us or contact him by pm, EJ OJPROP, http://www.mastercraft.com/teamtalk/member.php?u=1537
Be prepared to give him any info he may need like, current prop info off the hub, the current altitude you use the boat at, baseline numbers of the speeds and RPM's for the current prop, boat model and year, engine size, transmission ratio, function (skiing, barefooting, surfing, boarding, tubing, etc.), ballast use, fuel load, gear, nominal # of passengers, etc. He will need it to determine the best prop for your application.

Jerseydave
01-30-2010, 11:39 AM
I have a 2007 X2 MCX with the additional fly high ballast setup. It came with a 14.50 X 14.25 that was wasted when I got the boat, I purchased a 13.5 X 17 which I was running, except I dinged it. I sent the 14.5 X 14.25 back and unfortunately for me it was unrepairable :(. So now I don't know what I want to do. I mainly hydrofoil(air chair) fully ballasted between 23 and 25.5 mph. I also wakesurf and mess around with some wakeboarding too. I slalom too, but rarely. So the question is do I fix the 13.5 x 17, buy a new or rebuilt 14.5 x 14.25 or go for the 14.75 x 15.5 (the steep price is a killer on this one).

On my '05 X-star MCX powered I now run the 14.75 X 15.5 OJ prop and have never been happier. Top speed is 41-42 mph, and it still pulls nice at wakeboard speed with over 2500 lbs. of ballast. Your smaller, lighter boat should perform even better than mine does. The 14.25 X 14.5 prop is great for pulling too, but for me I lost too much top speed and cruising capability.

PS, can't wait until spring to do some FOILING! :)

JohnE
01-30-2010, 11:58 AM
Do yourself the favor of calling Eric at the contact info Harold provided. Not doubting what others are running, but nobody knows props better than Eric. And he is so willing to assist.

tr6coug
01-30-2010, 01:37 PM
I wouldn't spend 5cents on the 13.5x17 since you're not looking for top speed.

I suggest getting the 13.7x17 fixed and keeping it in the boat (along with a prop nut and cotter-pin, and wrench). Then get the lower pitched prop for performance.