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Chine walking

nickhedstrom

nickhedstrom

Member
I got 93 starflite and just upgraded my motor from a 95 200 mercury to a 07 250xs. I had hydromotive make me a 27p 4 blade. I also have a 5.5" hydro jack plate. I ran the boat and couldn't get to much past 65mph without alot of chine. I read some post of other people having chine problems and one of them said more set back. So i put on a 6" setback bracket and got to 70-75 mph before i had to back off the throttle cause of chine. One thing i noticed was if i turn the boat just a fuzz it took it longer to chine then dead straight. I have hydro steering. Anybody got any ideas to get rid of chine?
 
Solid motor mounts will help a little. Making sure the weight is balanced side to side onboard will help.

More seat time is the biggest thing, though. When you are turning gently, the boat is leaning over and not balanced directly on the point of the v, so it will ride that way longer without starting to bouce side to side... or chine to chine. Biggest thing is seat time to get that feel and be able to balance the boat on a point. You will have to learn to drive the thing to run fast.. constant steering input to keep her on the keel... no getting around it and that comes with seat time.

I don't believe in driving thru it.. recipe for disaster. If you can't balance it, you shouldn't be driving it above those speeds, imo.
 
It has solid mounts and dont beileve in driving through it, it seems to slow it down when it starts. Dont hear of pulsares having this trouble. Could wet foam in the floor cause it?
 
Don't over trim. That makes it worse. Trim a little to start and hold it wide open with it trimmed down. Slowly bump the trim up as you get comfortable with the chinewalk.
 
Yep Wildman thats what i did, i tucked the motor in got the rpms up and then trimmed, when she started to dance i would trim it in, the boat loves to be trimmed out, way out but the chine is too much. When i was testing the boat out i did have a passanger that was the same weight as i am so it was balanced out pretty good. RPMs are only 5500 could too much pitch be a prob? The 6" setback bracket definetly did help.
 
Pulsares have a pad, the Flites don't.

Some props chine walk worse than others.. it'd be worth trying every prop you can get your hands on too to see what works best. Which hydromotive do you have and what was done with it?
 
if you're not going to drive through it and balance the boat what the hell ya gonna do? motor mounts, setback, prop, whatever... the boat is not going to balance itself when ur flyin!
 
BADBK said:
if you're not going to drive through it and balance the boat what the hell ya gonna do? motor mounts, setback, prop, whatever... the boat is not going to balance itself when ur flyin!
Click to expand...

We are on the same page... its just when I hear people say "drive thru it" I always get the image of just trying and power thru the chinewalk uncontrolled, not balanced, and hopeing for the best.. like they think they can just accelerate thru it or something.
 
Bleed out your hydraulic system, might have some air bubbles in there
 
The boat is balanced, as far as i can see thats y i said something bout the foam in the floor and if anyone has had water logged foam and removed it and it helped.
 
nickhedstrom said:
And BTW if i wanted to fly id buy a plane not a boat.:poke:
Click to expand...

then buy a gayliner :poke:

the boat is "balanced"... hmmmm, what do you have counteracting the prop torque? I'd guess with one or even two ppl in the boat it is not perfectly balanced.

Small steering inputs will help you "drive through" the chine.
 
Prop torque is consistant not variable, this is a teeter totter effect cause of the little part of the vee in the water. Maybe i should get out my chain saw and cut a pad in the bottom of the dam thing.
 
Try raising you motor a little and see if it gets better. The reason it got a little better when you put the jack plate on is you probably changed your prop height some. On bass boats we always take the motor up in 1/4 of an inch increments till the boat stops chine walking.
 
Anybody who says a pulsare has "no chine walk" is a little off base. When you get into higher speeds like you are, the walk is there in the small light boats. 90% of the people on here have had so much seat time that they don't even think about chine walk. They have become so good at driving these boats that they don't realize that it's still there. By balancing the boat, we are referring to your ability to balance the boat on the keel. This will only happen with lots of practice. You may not want an airplane, but when you get one of these boats above 70, like it or not, you are flying it! There is nothing wrong with you boat, just learn how to drive it. I would be willing to bet $500 that there are atleast 50 people on here that could drive you boat at 75mph and never bobble the first time.
 
Muskoka.jpg


Flying.
 
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