another prop slip question

[tcuda499]

Originally Posted by UrbanDisturbance

First of all, I have a 1994 38 foot Cig, Non-Step.
Weight is 11500lbs plus fuel, cargo, etc.

I have 2 28 Pitch Maximus Props for sale right now in the Classified Section.

You might find this information helpful.

I have 2 4 Blade 26 Pitch Hydromotive props which created a 28% slip at 4100rpm.
I went to the 28 Pitch Maximus and now I have 13% Slip at 3100rpm
I am selling my 28 Pitch because I have too much prop.
I need 26 Pitch Maximus that are labbed.

Adding one blade decreases your MAX RPM by 400.
Adding 1 inch pitch decreases about 150-200rpm.

So, you might want to go with a Maximus and decrease pitch and maybe get them labbed to increase top end if you desire to do so.

so it seems that if I went with 28 5 blades it would almost even out in engine rpm's to what is on it now,30 4 blades. I would gain 300 to 400 rpm's going to a smaller pitch but would lose about 400 rpm's going to a 5 blade. Do you think I would lose top speed ? It should help out mid range and plaining to though...... I heard that 5 blades might put more stress on the drives??? is this true? I have the newer style '02 bravo 1's,not x or xr's.

[LAKE EFFECT]

I would give Brett at BBlades a call before buying any props, he definately knows his stuff.

That being said, my experience with Bravo ones and Maximus's is that The Bravo's are smaller then the pitch listed, and the Maximus's are on there number. Brett says that a 34p Bravo is really only 33p. I'm on my limiters @5800rpm with stock 34p Bravos, with the diffussers cut off, and could only pull 34p Maximus's to 5200, loosing 3mph. The Maximus's were borrowed and labbed, so I dont know if the pitch was tweaked up, but I'm thinking they were.

The Maximus's do hookup very well planing and at cruising. I've also been told that if you air out your boat alot, drive failure is a result, and I would tend to believe that since they really did have a lot of grab on my boat. I'm pretty sure your going to get your best top end with a 4 blade, just takes some trial and error to get the setup your happy with.

LE