Boat stability issues
Submitted by Cortez474 on Tue, 2012-04-17 18:26
Hello........I have a 474 stacer with 40 horsepower johnson.......my problem is that when im going at any sort of speed it always wants to lean to one side.......my load is evenly distributed and sits level when not underway......only happens at speed.......what could be causing this???.........
dodgy
Posts: 4583
Date Joined: 01/02/10
Motor Sitting central on the
Motor Sitting central on the transom?
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Juneka
Posts: 222
Date Joined: 14/12/09
Always the same lean?
Is it leaning into the wind? I have this issue sometimes. But I haveput it down to the canopy. And I have trim tabs, so they fix the problem...
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Cortez474
Posts: 109
Date Joined: 24/01/12
Yeah it always leans to
Yeah it always leans to right side........and yeah dodgy the motor is central on the transom.......could the little trim tab on the motor have anything to do with it??
Greg Jones
Posts: 19
Date Joined: 31/12/08
I used to have the same
I used to have the same problem with a centre console that had a Merc 75 HP on the back. It was nearly impossible to get it on the plane, and then it would lean to starboard....until one day I fiddled with "that little trim tab" and it solved both problems. It was just a tiny movemnet in the end, so maybe worth a try!
hooty
Posts: 198
Date Joined: 25/05/10
Yes mate it will have a lot
Yes mate it will have a lot to do with it.
solly
Posts: 375
Date Joined: 11/09/05
spot on
yup just adjust the trim abit.might increase your top end as well.
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Faulkner Family
Posts: 18069
Date Joined: 11/03/08
could be the little keel
could be the little keel shaped anode just above the prop. give it a tweek and see how that goes. have heard of this before and that suggestion did the trick.
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Meteorite
Posts: 69
Date Joined: 30/12/10
Try raising the outboard up a
Try raising the outboard up a bit higher ? Tilt the leg up a little more and see if it still does it , does it have electric tilt ?
carnarvonite
Posts: 8673
Date Joined: 24/07/07
Anode / trim tab
Adjust the anode / trim tab just above your prop, this will solve your problem
brenno
Posts: 60
Date Joined: 17/04/12
make sure you hit it with
make sure you hit it with penetrene first before adjusting cause it really sucks if the bolt snaps there generally is a few notches on the annode itself line it up with tthe one on the leg and get the tab as straight as possible running bow to stern
Rob H
Posts: 5810
Date Joined: 18/01/12
anode/tab
purpose of the anode/tab is firstly as protection via sacrificial anode, then by off setting it to balance out the torque bias of the engine while cruising. Most obviouse by letting go of the wheel while travelling and seeing if it trys to move off course.
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pale ale
Posts: 1755
Date Joined: 02/01/10
If you have a spare 48 hours,
If you have a spare 48 hours, there is some interesting debate on your problem here:
http://www.fishnet.com.au/forums/viewtopic.php?t=107526&f=8