Theoretically speaking the stock 30 B1 will run 100 rpm faster than the standard Merc Labbed 32.
Stock 30's are not more efficient than stock 32's but, because of the larger angle of attack the 32's could have a very slightly lower slip%. (or not)

There are so many variable that it is impossible to make catch all phrases. Even every Labbed Merc Racing standard template can vary slightly because there are 7 different guys currently doing them.
When I was in charge there we had 13 technician's. We would build Lab Props to a certain formula and put them on the shelf for sale. Therefore 2 different guys could build 1 boats set of props. (at BBLADES 1 guy always builds matching sets. And replacements are done by the same guy too) My old boss's wanted us to write computer programs that allowed a monkey to insert the boat, engine package, drive and x dimension. Push enter and the correct prop and recipe would print out. Ha, I tried to explain it doesn't work that way. Eventually they got it but didn't like it. Experience determines recipes.
I knew the idiosyncrasies of each tech so that if a blade was on the thin side or thick side of the tolerances I could guess who did it. Even stock props vary due to production processes. People think CNC'd props are perfect and identical. Not hardly.

Yes, we are very good at matching specs. but there can be finite differences in props. More importantly, there are differences in "identical" boats. No such thing as identical boats. Very similar, yes. Identical, no.
Because of these differences, BBLADES began Labbing specific to each hull about 8 year ago. It really made a difference. Today, most shops claim to do that as well........
Because there are so many variables on each boat, it can take a try or two at times to get the propeller just right. Worse case scenario, the boat won't react to the Labbing process. It is rare but it does happen. This is when my job becomes the hardest. Most every propeller adjustment has give and take. Often we get only the give. That is a good day!

Sorry for babbling.

Brett

They where sent in from the Bravo Shop in May of this year.

Ok, as I stated earlier, it is not unusual to see cruise speeds decrease with a standard Merc Lab job.
Your propellers came to us as one standard Mer Lab done at Merc Racing in Nov. of 2000 with slight leading edge damage.
The other prop was stock with a few nicks.
The instructions were to match the stock propeller to the Labbed Mercury propeller. This is what you have. A set of standard Mercury Racing Labs.
Indeed that recipe is not helping you in cruise speeds. This can be remedied with pitch progression or cup changes (or blade area addition but we don't like to do that). Of course these options "can" reduce rpm.

Brett

Brett

That is correct. Basically what you are saying is this is the best all around recipe that I can get with this boat?

No, what I'm saying is, John at the Bravo shop told us to match the props. We have dealers, OEM's and clients around the world that give us instructions and we follow through on them.

Your boat may perform better with a different recipe or even a different propeller casting. We would need to discuss the specifics. Firstly, you will need to have a desired goal. In other words you may want best top speed, best cruise speed, hole shot, etc. There are give and take with all of these. Then discussing the current performance will help us get to the end decision of which way to go.

I think we spoke briefly on the phone after the props were done and I told you we matched the props to the Labbed propeller per the Bravo shops request.
Call us if we can answer more question in depth.

Brett