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#12572031 - 01/10/18 08:26 AM Fishtailing
young gun 12 Offline
Angler

Registered: 10/27/14
Posts: 414
Loc: Aubrey and Wylie Tx
last couple times I have taken the boat out, it seems to fish tail a little bit while on pad. scares me. Anyone know what may be causing this?
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#12572056 - 01/10/18 08:35 AM Re: Fishtailing [Re: young gun 12]
texasAUtiger Offline
Outdoorsman

Registered: 04/13/16
Posts: 204
Loc: Waco, TX
Have you played with the trim? Lowered it some?

Prop look ok?

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#12572063 - 01/10/18 08:40 AM Re: Fishtailing [Re: young gun 12]
buda13 Offline


Registered: 07/02/04
Posts: 17902
Loc: NRH, TX
Could be a steering issue... ive seen it once before. You need to get it checked out asap before the boat snaps around and ejects you.
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#12572075 - 01/10/18 08:51 AM Re: Fishtailing [Re: young gun 12]
Bigron119 Offline
TFF Team Angler

Registered: 06/28/07
Posts: 4256
Loc: Lufkin, TX
Also check your motor mount bolts.

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#12572088 - 01/10/18 09:04 AM Re: Fishtailing [Re: young gun 12]
the skipper Offline
TFF Team Angler

Registered: 07/04/11
Posts: 3244
Loc: nederland, TX
Hydraulic steering might have air in, motor bolts could be loose. My last boat did it once and it was air the steering system. Easy fix

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#12572555 - 01/10/18 01:45 PM Re: Fishtailing [Re: young gun 12]
Ripinlip Offline
Outdoorsman

Registered: 06/22/17
Posts: 69
Chine walking I believe is what you describe definitely check transom bolts and possibly trim down a touch should help
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#12572581 - 01/10/18 01:59 PM Re: Fishtailing [Re: young gun 12]
SteezMacQueen Offline
TFF Team Angler

Registered: 11/02/14
Posts: 4844
Loc: Red Oak, Galveston, and Pagosa...
Your boat is a little faster in the cooler air and water....probably just a little chine walk.
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#12572589 - 01/10/18 02:14 PM Re: Fishtailing [Re: young gun 12]
Chasin Hogs Online   content
Extreme Angler

Registered: 10/22/08
Posts: 2764
Loc: Earth
Whatever it is- make sure you got your seat belt on. roflmao

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#12572608 - 01/10/18 02:27 PM Re: Fishtailing [Re: young gun 12]
Billy Blazer 300 HPDI Offline
TFF Team Angler

Registered: 08/16/08
Posts: 3177
Loc: League City, Tx/Rayburn Countr...
I just turn the radio up that happens.
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#12572618 - 01/10/18 02:33 PM Re: Fishtailing [Re: young gun 12]
GIG'EM AGGIES Offline
Extreme Angler

Registered: 05/14/14
Posts: 2499
Loc: texas
I had a Stratos boat one time that chine walked so bad that when trimmed up you couldn't steer it period. If it's not the boat then I think it's steering related.
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#12572633 - 01/10/18 02:40 PM Re: Fishtailing [Re: GIG'EM AGGIES]
senko9S Offline
TFF Guru

Registered: 10/15/03
Posts: 22064
Loc: Bedford, TX
what about a seat belt gig?
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#12572752 - 01/10/18 04:10 PM Re: Fishtailing [Re: young gun 12]
Travis@BorisMarine Offline
Extreme Angler

Registered: 04/07/12
Posts: 1205
Loc: Lake Worth
my boat fish tailed on my Saturday. Its a steering issue, not sure what it is yet. Its at charlies outboards in Alvarado right now.
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#12572794 - 01/10/18 04:44 PM Re: Fishtailing [Re: young gun 12]
Ken A. Offline
TFF Celebrity

Registered: 10/02/06
Posts: 8821
Loc: Trophy Club, TX
Originally Posted By: young gun 12
last couple times I have taken the boat out, it seems to fish tail a little bit while on pad. scares me. Anyone know what may be causing this?


What boat & motor is it? I would bet it is chine-walking. The guys above are correct when they say your boat will run faster in the cooler air and colder water. When the hull gets "freed up" from the water, you are basically balancing the boat on the pad. The torque from the propeller is trying to knock you off the balancing point.

You definitely want to make sure you have no slack in the steering system and that your motor mounts are intact. Even the newer hydraulic steering can develop slop if you have air bubbles in the system. With the boat on the trailer, turn the wheel slightly from side to side. The motor should respond to the movements. If it does not, you have some air in the system or you have some loose bolts in the steering column. This can lead to Disaster if left unchecked.

Watch this to see what can happen if the steering fails. The boat can do a 180 degree turn at high speed and eject you & your passengers. It was discovered that the lock nut on the steering arm from the steering system to the motor tiller arm had vibrated loose and came off causing this accident. These two young men were definitely very fortunate. The Good Lord had His hand over them that day.

https://www.youtube.com/watch?v=1AkgjPkCQXc

The hull will begin to oscillate side to side in what is called chine-walking and is common with lighter high performance hulls like Bullets & Allisons. Older Tritons are also known to do this as will some BassCats. This is completely normal at high trim angles. You can trim down to lessen the effect as one guy suggested.

The trade-off is, more wetted hull surface, more drag, less top speed. Very small corrections can be made to the steering wheel to offset this oscillation but it takes lots of seat time & practice. The best thing to do is simply trim the motor down a bit to minimize the chine walk.


Edited by Ken A. (01/10/18 04:51 PM)

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#12572802 - 01/10/18 04:52 PM Re: Fishtailing [Re: young gun 12]
Cast Offline
TFF Celebrity

Registered: 07/31/12
Posts: 7299
Loc: North Texas - God's Country
Mine did that if I trimmed it up too high. Knock the bow down a little.
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#12572957 - 01/10/18 06:37 PM Re: Fishtailing [Re: young gun 12]
Dubee Offline
Extreme Angler

Registered: 07/17/11
Posts: 1533
Loc: Godley Tx
Depends if it is sliding sideways or chine walking. Sliding is a problem. Walking, learn to drive it. If he has had the boat more than a year. I assume he has drove it in cool weather before. He said this just started

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