Hydromotive QIV Vs Bravo 1 Q"s
#1
Just curious about the performance difference between these two props. I have a set of Hydro QIV 25's and a set of Quicksilver 25's. I noticed the 3 blades raise the bow higher, harder to get on plane, is a little looser, and a lot faster. The QIV's lift the stern, quick planing, feels that it is plowing water, tighter turning a little more in control feel, and alot slower.
Would it be worth it to try a set of Bravo 1's, or would they be very comparable to the QIV's.
Would it be worth it to try a set of Bravo 1's, or would they be very comparable to the QIV's.
#2
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Joined: Nov 2003
Posts: 272
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From: Ottawa Ontario
I just tried out a QIV and QIV-X on my single engine application after having run a stock bravo one. The QIV was a full 5 mph slower than the Bravo, and I experienced all the same ride characteristics that you've described - the boat was glued to the water. Went with the QIV-X on the rec. of Hydromotive. It is much more of a bow-lifting prop. Worked better, but still 2 mph slower at all rpms than the Bravo One. On top of that, I don't think the hydros are great candidates for labbing, since the blades are already pretty thin. So, when I take the Bravo and get it labbed, I'll end up a good 3-4 mph faster than the QIV-X. That said, the QIV-X might be worth a try, a fellow boater with a the same make of boat, only longer and heavier, picked up 2 mph over the Bravo One. You never want to leave the speed on the table so you might as well try it. Good luck.
#3
Check your RPM's also when compairing the two. It has been my experiance that they do not measure pitch the same. Generally I go up in pitch when using Bravo's vs. Hydro's. Just my 2 cents....
#5
dblcheckmate,
You are absolutely right on the differences in pitch. The Bravo I are 1 inch less in pitch. Not all boats do well with the sternlifting propellers in which the Bravo I and Hydromotive X props work better as bow lifting propellers.
Julie
You are absolutely right on the differences in pitch. The Bravo I are 1 inch less in pitch. Not all boats do well with the sternlifting propellers in which the Bravo I and Hydromotive X props work better as bow lifting propellers.
Julie





