Another Tritoon Prop??

I have
New 2019 Crestliner 240 Rally DX Tritoon
27" tubes Huge Strakes on all but outer edge of outter tubes
Center tube is full length actually 16" longer than outer tubes
2019 merc 200 4stroke DTS 20" shaft set low as it will go.
Can trim boat and bring bow up a good amount before props cavitate

Tested both on same day, smooth water, low wind, approx 50 gallons of fuel
Only me on the boat no gear.

Props I have tried
Merc Black Max 15.5"x15
5600 rpm 38mph

Solas Amita 14.8x17
5500 rpm 39mph

Both props seemed to run similar though the solas felt better out of the hole.

I have a merc/quicksilver Black Diamond 14.5x19 ordered
should be here today.

Should I try to stay over 15" diameter?

Any thoughts, Id like to get prop dialed in before buying a nice stainless
Looking for a fast prop for light loads on boat to run across the larger lakes.

Based on your prop slip the black max is more efficient running about 12% vs the Solas at 19%. It could be a result of the reduced diameter.

Powertech OFS 15.25X15 is a great performer on the high horsepower pontoons at pricing well under OEM. I think you are heading the wrong way from 17 to 19.......Enertia is a good one too.

We install 15 enertia's on most we sell in that size range . It really needs a laptop connected to make sure ARO is working correct. advanced range optimization . hf...

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Originally Posted by half fast

We install 15 enertia's on most we sell in that size range . It really needs a laptop connected to make sure ARO is working correct. advanced range optimization . hf...

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This 100%

Good info thank you,
I will do some reasearch on ARO
and look around over winter for a 15p enertia

This morning I ran a Solas 14.25x17 4 blade stainless, 5250rpm at 41mph, was able to trim up enough that the bow was bouncing, also able to run more trim in tight turns.
calculated 10% prop slip
30 gallons of fuel and just me on the boat,

Likely 15p is the way to go with a load of people and coolers

Thanks for all the help.