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ContinuousWave: Whaler Repairs/Mods
Bent Skeg Blues
|Author||Topic: Bent Skeg Blues|
posted 04-11-2003 04:20 PM ET (US)
I've got an Evinrude 100Hp on a 1988 17' Newport. Just bought it. The skeg is bent (soft curve) to one side. I noticed there is some type of adjustable plate with a fin on the engine just above the prop that is adjusted in the other direction. I assume to correct the pull of the bent skeg. Can skegs be straightened? If so how? If not is anyone running with a bent skeg out there? How does it affect your speed etc?
posted 04-11-2003 04:50 PM ET (US)
The skeg is easily repairable. One of my friends completely snapped off the skeg, leaving behind a small, jagged piece of aluminum. Another one bent the skeg (as you've described) when trailering the boat with the engine improperly tilted.
In both circumstances, repairs were made which were virtually unnoticeable. A skeg guard was added by one of the fellows, and the other had the repaired area sanded, primed, painted, and clear coated.
Once the skeg is repaired, the steering tab on the cavitation plate can be adjusted accordingly.
posted 04-11-2003 04:59 PM ET (US)
Last season I broke the skeg off my 225 Johnson. I replaced it with a bolt on SkegGard that I purchased from Cabela's online (thanks to a suggestion from Bigshot). Looks cool and works great. It was very easy to install and cost about $100. Just cut off the bent portion and bolt on the skeggard.
posted 04-11-2003 09:36 PM ET (US)
After hearing all this about them breaking off and cutting them off, I overcame my fear and got medieval on my skeg with a hammer! It beat out rather nicely! Thanks for the tips.
posted 04-11-2003 11:52 PM ET (US)
The "adjustable plate with fin" is most often referred to as a trim tab. The concept of the trim tab on an outboard is to create a small amount of steering offset thrust to cancel the steering offset thrust in the other direction produced by the propeller torque.
If you have No-feedback steering or hydraulic steering you probably can't feel the propeller torque.
posted 04-12-2003 12:42 AM ET (US)
As usual, all the advise is great. My only observation is that if the skeg is bent, it might have hit something hard. Check your prop and shaft in addition to fixing the skeg.
posted 04-12-2003 01:14 AM ET (US)
Will do Andy. The prop is pretty much history. It has lots of battle scars on it from the previous owner, but figured I would use till I get the hang of the boat and save up for a nice one. As far as the shaft goes, I suppose that would be somthing you would feel while underway? I am taking it for its first cruise this Sunday. I have been sanding teak, cleaning gunk, fixing trailer lights etc for the past two nights. I am very excited to say the least. This is my first boat as you might can tell from my lack of knowledge of proper part names....I sure was glad to find all of you old salts hanging out at this message board.
jimh: I don't have "no-feedback steering" or hydraulic steering. This being the case, is there a good starting point for the trim tab? Seems easy enough to adjust, guess I'll just take a socket with me on Sunday and tweak it on the lake.
posted 04-12-2003 02:58 PM ET (US)
What would happen if you dont fix it? I had the bottom 1" of my skeg bent off by another boat while I in my slip. It will cost $175 to weld a new bit on, but is it even worth it? I don't seem to have any problems with tracking. I was worried about cavitation at high speeds from the rough surface.
posted 04-14-2003 09:07 AM ET (US)
Bent or broken will not affect the hendling too much. If it bothers you get the Skeggard for $100......won't happen again.
posted 04-15-2003 05:09 PM ET (US)
About your prop. If it's stainless, you should take it to a prop shop and have it tuned up before you simply discard it.
Not sure it's worth it (or even possible) if it's aluminum (I have a SS prop).
posted 04-20-2003 12:43 PM ET (US)
torque tab is the name of the part you describe.
if you have to use a hammer on it again just make sure you have another hammer on the opposite side of the skeg as a "backing" device so not to knock entire skeg off of lower unit
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