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PhilH12

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Posts: 2,936
Reply with quote  #46 
Hi Greg,

Mine sits in fresh water too.  But you should see the "stuff" all over my pontoons, transducer, and live well pump when I pull it out.  Yeow!

Whenever I do pull it out, it comes home to a good pressure washing before splashing it back.

Good luck!

Phil

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Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
Riderfan

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Posts: 43
Reply with quote  #47 
This is just a WAG on my part but could the boat possibly be taking on water and getting heavier as the season goes on? 
PhilH12

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Reply with quote  #48 
Good point Riderfan!  It sounds like it's "in and out" of the water though, at some interval.  My guess is that it's the growth, or it wouldn't get much better by being "out" for a short while, without being cleaned off.  That water would stay in there, and still be a problem the next time it went in.  Unless it sat in the hot sun for a few months at a time...

I wonder if the waterline on the hull seems to rise or change at all, front to back, or side to side?

Phil

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Always check the Easy Stuff First!
20' Weeres fishing pontoon
90 HP E-Tec E90DPLSUM  05184332
Lake Tawakoni, TX - Catfish Capital of Texas
Riderfan

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Posts: 43
Reply with quote  #49 
Well I hope you are correct Phil. Honestly,stuff growing on the bottom of the boat is a brand new topic for me...here, there is ice on the lakes for 6 months of the year. I didn't mean to hijack the topic
GEB

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Posts: 2,054
Reply with quote  #50 
Hi H2OTOW,
I’ve reread this entire thread and so far nothing suggested has solved the problem and I noticed that way back in this discussion, about 16 days ago that Steelhead said,
Quote
“Run the boat/trailer over scales. Compare weight with spec'd hull weight and all gear onboard. Should be within 10%. Check hull bottom and transom for any impact hairline cracks, common in emergency/rescue hulls. Excessive extra weight is water in the foam”
End Quote
Was this ever done ?
I’m certainly no expert on the subject of waterlogged flotation so I’ve done a lot of research to inform myself and found that all it takes is blocked drains to add hundreds of lbs. of water.
Your latest information that the problem you’re experiencing with loss of power started last season and gradually got worse but the engine still runs smooth is what got me thinking about the water logging. I may well be wrong but considering the amount of work that’s gone into this so far it may be worthwhile either doing as Steelhead suggested or gaining access to the underfloor flotation to check for water logging.
Cheers
GEB


__________________
Stacer 389 Territory Striker
Model No.E25DTSLAFC
Serial No. 5503333
Mid North Coast
New South Wales
Australia 
The learner will not shear the rams.

H2OTOW

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Posts: 55
Reply with quote  #51 
Current Progress Made:

I gotta say this is getting old but I too think these tests were necessary.

While I had no growth on the bottom of the boat but it did not feel like freshly waxed gelcoat.
It did feel a little bit like very fine sand paper with the dried algee here and there.
I dropped the boat off and had an entire acid wash done, she is smooth now !!!

Called out a marine surveyor and had a through hull inspection done.
Meticulously checked the hull for imperfections or hairline cracks while rollin around on creepers
for almost an hour, looked good and very shiny now too.
He pulled out this meter to check for transom saturation, moisture meter he called it, the meter
showed dry as popcorn across the transom.
We checked the inside of the hull for foam and could not see any thru the inspection plates.
We used a garden hose front to back to be sure all scuppers, lockers, and bilge was draining properly.
Move the boat slam breaks, move, slam, move, slam, listen for water, nothing.
No signs of water inside the hull.


So yesterday I drug the boat to a highway truck stop with a "CAT" certified scale. (48miles)
Ran it across and got the total weight and individual axle weights too.
Drove home and put the boat in the water. (48miles)
Drove back to the scales with the truck n trailer, less boat and got the weights again. (48miles)
And finally got back to the river to load the boat up. (48miles)
Long day that was.

1989 Century, 2600, center console, 50gal fuel, 100lbs anchors and rigging, 8gal XD-30,
200lbs T-top and radar, 50lbs onboard electronics, gizmos and whatnots. 
This is the configuration I've been testing and troubleshooting with.

1st weight---> Steer axle-          4460   lbs
                      Drive axle-          4580   lbs
                      Trailer axles-       5900   lbs
                      Total weight-       14940 lbs

2nd weight---> Steer axle-         4620   lbs
                       Drive axle-         3920   lbs
                       Trailer axles-      1260   lbs
                       Total weight-      9800   lbs

Doin the math the boat weighs as rigged and tested 5140 pounds.
Not anywhere near as heavy as I thought it would be !!!

I jus can't get away from it ran excellent and hopped right on plane for years with the Y-250
and 340 hours with the E-250 and now it goes bow to the moon and plows water.

So I think I'm back to the cylinders are just not making full power ???

I'm going to call in the "Guru", this guy eats, sleeps and drinks boats, he knows boats.
I'm not going to tell him anything except lets go for a ride.
I'll answer questions but offer no opinions and see what he comes up with.
May start back at the basics again with him and see where it goes.

Maybe a fresh set of eyes could shed some new light.



CHEEERS, Greg

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If what your doing isn't working, do something different !!!
steelhead

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Reply with quote  #52 
You must be near Lake Mead.  Must be an outboard dealer around LV that has an OB dyno?
Makes all the full power tests so much easier.
H2OTOW

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Posts: 55
Reply with quote  #53 
Hi Steelhead,

You are correct, about 105 miles from Mead but yes fairly close, bout 1 1/2 hr is all.


This is a good idea!

I'll look around to see if someone has a dyno, that may help a lot.

Thanks,  Greg
 

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If what your doing isn't working, do something different !!!
redhead

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Posts: 117
Reply with quote  #54 
Is the engine getting fresh air from under the cowling? An exhaust leak under the cowling would reduce the power head's output. If water conditions permit it, you could make a trial run with the top cowling off.
GEB

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Posts: 2,054
Reply with quote  #55 
Hi H2OTOW,
I’m interested to know if you’ve found the cause of the problem.
Cheers
GEB

__________________
Stacer 389 Territory Striker
Model No.E25DTSLAFC
Serial No. 5503333
Mid North Coast
New South Wales
Australia 
The learner will not shear the rams.

gobshite

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Posts: 1
Reply with quote  #56 
Hi H2OTOW
I’m VERY interested to know if you’ve found the cause of the problem, I am experiencing what sounds like exactly the same problem!!!
kitebuz

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Posts: 203
Reply with quote  #57 
Doh, I hate it when you read an entire thread, only to get to the end & there is no follow-up as to final outcome [confused].  So what happened??
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