Gear ratio was 1.87 with your Optis, and 1.92 with the new 150's.
Running the same props, the 4 strokes "should" be 1 to 2 MPH...
ken2
Last Activity: Today, 08:12 AM
Joined: 11-21-2014
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5200 RPM at 41 KTS (47 mph) is 2% slip, so those things are hooking up really well. Or maybe the have a little extra cup or something.
How...Leave a comment:
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Well, your turning 5250 at 52 MPH with the 21. thats 7% slip, very low.
theoretically, the Tempest 19 would turn 5780 at the same speed. and accelerate...Leave a comment:
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yeah, 19 Tempest is what I'd try.
various 4 blades would do well too, but I don't know if they would keep up with the Tempest.
The...Leave a comment:
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What RPM and GPS speed did you get with your 150 Optimax motors?
I'd run the Mirages and break the motors in just to see how they run....Leave a comment:
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This guy called, and we went with a 15 3/4 X 15 Quicksilver Thunderbolt.
Hopefully he will let us know what happens.
Here is more info...Leave a comment:
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When someone has "bad holeshot" or trouble getting on plane. it can be for opposite reasons.
1. motor has plenty power, but can't...Leave a comment:
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Got your email, but you can answer here, whatever is more convenient.
When you full of people and gear and having a hard time getting on plane....Leave a comment:
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Just give me a call for the test prop.
I'll get your payment and shipping info then.
Ken Reeves
KR@Propgods.com
941 735...Leave a comment:
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Do you have the performance report with the older model DF140 ?
If so, what RPM and GPS speed were they seeing with it?
Its $30 plus...Leave a comment:
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Whatever they ran with the 22 pitch and the 2.38 gear ratio, you would theoretically have to run higher pitch to get the same numbers with your 2.59 gear...Leave a comment:
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here was the performance report on the boat. Or a really similar one anyways.
http://www.suzukimarine.com/~/media/...ders/TestResul...Leave a comment:
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I would probably start with the #3 hole.
Tried to look through and find some of Scarab Chris post when they changed the height, and all I...Leave a comment:
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Well, I would test some 21 pitch Quicksilver Thunderbolts.
Or if you can get your hands on a set of 21 Rebels, that would be a good set to try as...Leave a comment:
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Maybe the previous owner modified the props or something.
Its not a bad thing, your just going faster then theoretically possible with 19 pitch...Leave a comment:
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The Verado has a 1.85 gear ratio.
He was at 9% slip, which is about what I'd expect out of a Q4 or Revolution 4.
So, yes, you are absolutely...Leave a comment:
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If you went ECO, you'd probably need an 18 pitch.
I would try a 19 pitch Quicksilver Q4. same prop as the Mercury Revolution 4.
I have...Leave a comment:
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this link explains a lot on what chine walking is.
http://www.screamandfly.com/content....ing-Why-It-Hap...Leave a comment:
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Have the props been modified before?
Are you getting your speed from GPS or speedometer? If speedo, I'd get the GPS numbers before starting with...Leave a comment:
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