Supra SL Prop RPMs and GPH

[dakota4ce]

And I am quite sure I can clear it. I know for sure you could clear it on an SL, there is like 1.75 inches of clearance if I am not mistaken.


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[Gearhead]

Yes it will be a good comparison. I’ll report my findings. Be about 2 weeks before I get to boat again

[monkey_butt]

I'm running the 2775 with the 400 and with the additional PNP (500) and the 250 (non PNP) in the front - 2 people in the boat plus 4 dogs - about 3400rpm.

Yesterday was kinda disappointing for whatever reason compared to Sunday. So we put the 540 bag I still have with me back into the center … and it was money … and oddly enough RPM stayed the same … will post pics after tonight for comparison purposes.

[Gearhead]

what speed and pitch where you running?

[monkey_butt]

11.2 and 8.0 - sorry that is obviously an important factor

[Gearhead]

yes that makes sense then.

I"m running pitch 10-11 speed 12. I"m 4k RPM

[shockthis]

i noticed as soon as the pitch goes up over 9.5 the rpms really climb. I f you keep it around 8.5 - 9 then the rpms will stay lower even with extra weight. One day we put a 750 on the floor and 600lbs (300 each side in the coffin seats) and the rpms stayed around 3600.

[dakota4ce]

i noticed as soon as the pitch goes up over 9.5 the rpms really climb. I f you keep it around 8.5 - 9 then the rpms will stay lower even with extra weight. One day we put a 750 on the floor and 600lbs (300 each side in the coffin seats) and the rpms stayed around 3600.

BUT....there are a few gurus suggesting higher is better for the wave. Wake 9 is influencing this a bit I suspect.


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[Gearhead]

you get a taller wave with more pitch, for sure.. I will have to try a pitch of 9. althought I dont see how that will work with out using some smart plate or dropping rear ballast. the boat wants to sit at about 10 -10.5 on pitch

[Broke Pilot]

We were playing with the wave on the SA the other day and were surprised that 10.5-11° pitch was working great. Anxious to get it on some smoother water and really play around with it.