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Contender 21 rebuild

Old 01-18-2020, 04:41 PM
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Default Contender 21 rebuild

Ok so I was planning to sell but we discovered the tank was bad, I actually love this boat, Its fast, seaworthy, small enough to tow with a smaller truck and looks great,

I love the flush deck, very few boats have flush decks like this nowadays, the 23just dosen't do it for me, it looks chubby compared to the sleek 21,
I did a shitload of work to it already, but I'm starting from scratch here,
New console being built for me as we speak over at competition,
New live well leaning post also from competition,
Potentially a hard t top, still thinking about it,
Ripping out the whole deck, including that stupid in deck livewell and putting a decent bilge access....
100 gal fuel tank, water tank, new hatches, electroincs, wiring, etc..

​​​​​​This is a great boat, it has a few flaws which I will go into detail below and we are going to try and make it my perfect boat,






Old 01-18-2020, 04:53 PM
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Default Deck comes off


Tester holes



Found source of a leak straight away,

The entire tank area was full of oil and water

Tank came off like a glove

The sides where pretty good, heavy corrosion on the fore and aft sides of the tank,

Foam under the tank

Foam on wings

This is the water left over after we removed the foam from the wings

Big chunk of foam was literally floating on the wing


Scrubbing bubbles is your best friend when cleaning bilges or old fiberglass
Old 01-18-2020, 05:18 PM
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Default Deck is finally all off,


I was planning on leaving the forward fishbox but the foam around it was all wet, it was a bitch to remove tho,

Cleaned up glass

Aft frames

Clean clean clean!!
I left a small stop of deck to keep some structural integrity on the liner up front,

Lessons from today,

The biggest flaw on these boats is the fact that any water that gets into the sides between the liner and the hull has nowhere to go so it literally runs right into the foam,
I'm trying to figure out how to fix this but I have a rough plan to run small stingers as far outboard as I can so any water that does make its way down between the liner and the hull will not make it all the way down and can run aft to the quarter wings and then down to the main bilge

I hate but love 2 part poly foam, it adds structural integrity and will keep your boat afloat (hooefully) if it capzises, but it has to be done right, you have to seal it in and try to do it in one pour,
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Old 01-18-2020, 07:05 PM
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I have a thread on here from when I had mine done last summer. My foam was soaked and lots of standing water. We cut limber holes in all the bulkheads so water could drain aft and put in pvc pipe cut in half with tons of holes drilled in them so there is a place at the bottom of each space fro water to go and run aft. I think the closed cell foam will stay light as long as it isn't forced to sit in water for years. Most Contenders have the tanks against the aft bulkhead in the center area but there is about 18" that mine could be moved forward and it helped a lot with moving weight forward. I kept my old console and leaning post but moved the console forward something like 2.5" and the leaning post 1.5". Thanks for sharing your project. The boat is going to be awesome when you're done.
Old 01-18-2020, 08:45 PM
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I can already tell you are going to do a great job. Looks good and clean so far.
Old 01-18-2020, 09:08 PM
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Yep, great start, and definitely a boat worthy of a rehab. Hands down the best running 21 foot boat out there for offshore, imo. I was going to mention, I would definitely move the console as far forward as you can and get away with. It would be great if you could somehow run fiberglass connecting from the liner to the hull all the way around to stop water getting in and also put in some drainage holes like stated above.
Old 01-19-2020, 04:07 AM
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Great project. Iím in.
Old 01-19-2020, 04:47 AM
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Sub
Old 01-19-2020, 06:19 AM
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Any way you could cut the liner out and make it (3 piece)?
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Old 01-19-2020, 07:27 AM
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Originally Posted by Maritime ditch View Post
Any way you could cut the liner out and make it (3 piece)?
x2 Probably easier than trying to create drainage between the liner and hull too. Or cut the liner short, extend deck and tab into to hull sides, then tab deck to liner.
Old 01-19-2020, 07:40 AM
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Originally Posted by mshugg View Post
x2 Probably easier than trying to create drainage between the liner and hull too. Or cut the liner short, extend deck and tab into to hull sides, then tab deck to liner.
You guys are right on point, this idea crossed my mind but I discarded it as being too complicated, this would truly make this the best 21 footer afloat,
So what do you think, cut the liner 8/10 inches from the top,
Add braces all the way down to support the cap,
Lay a new deck right against the hull

My issue is the bow area as that is part of the deck liner going that transition worries me a little

If anyone has any knowledge or experience doing this please chime in your advice is most welcome here
Old 01-19-2020, 07:58 AM
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Default Sunday Funday

My family is judging me, "You like to punish yourself"
but for me, winter's are for choring and summers are for whoring!! (Fishing)

Today is going to be mainly about removing hardware,
I went to speak to the guys at outboard specialties yesterday at the Popmano nautical flea market, they are beyond helpful, open and honest about what is working and what isn't.. We shook hands on a zuke 200 for this rig, which I will be mounting towards the end of the project,



All the shit that came off yesterday

Nice work platform,

The aft corner lockers on these contenders always ****ed me off, There is a huge amount of space in this compartment that you loose access to because that shelf is on the way, If you cut the shelf and put a slightly narrower one about 10 inches lower, running all the way up and down this conpartment you gain a ****-ton of room in there, plus you gain better access to everything there,

All this room lost



Old 01-19-2020, 07:59 AM
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Did you pick this boat up in the Tampa area? I think it might be one Iíve looked at. Iíve seen it at 15th ramps. Cool project looking forward to the progress.
Old 01-19-2020, 08:01 AM
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Originally Posted by kwipp View Post
Did you pick this boat up in the Tampa area? I think it might be one Iíve looked at. Iíve seen it at 15th ramps. Cool project looking forward to the progress.
Bought the boat in Miami and Im normally out of 15th St or Cooley's in FLL
Old 01-19-2020, 08:25 AM
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What about this idea.
Pour the foam to the top or close to the top.
Then shave/saw the foam at an angle towards the outer hull.
Then lay 2 layers of 1.5oz of CSM and gelcoat over the top of the 2 layers of glass.
Then drill a hole in the cross stringer to allow the water to drain back to the rear bilge.

Protection the foam from water intrusion and giving the water a place to run to the back of the boat.





Last edited by pierdude; 01-21-2020 at 07:50 AM.
Old 01-19-2020, 09:01 AM
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I’m no expert on this matter; however, I’ve been following a rebuild by a guy up in Jacksonville that sure appears to be one. Here is his link:
31 Contender "Dream Overhaul" begins!

Good Luck, looks great so far.
Old 01-19-2020, 09:04 AM
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On my Mako I removed the sides of the liner and tabbed the new deck into the hull. Built supporting bulkheads on the ends of the cut out areas and left the bow liner. Might be worth exploring, the extra space is awesome.



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Old 01-19-2020, 09:12 AM
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Looks great so far, nice work. As far as power if it was me I would put a new Mercury V8 300hp on it, 505lbs and super cool.
Old 01-19-2020, 09:13 AM
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Definitely do a 3 piece. This boat would finally be a good boat
Old 01-19-2020, 09:30 AM
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I thought long and hard about changing mine to three piece for more toe room in the bow but killed the idea when I scoped inside the liner. The deck actually touches or comes within a half inch of touching the outer hull where it makes the turn to rise to the gunnels. Making it two piece would get an additional .1-1" of toe kick which just isn't worth it. The problem with the bow on 21s is the covering boards are narrow to maximize usable space. Unfortunately the problem requires too much work to fix and would eat up a lot of space forward. I also think that no matter how the deck is built water will find a way into the foam so drainage it the real solution. That expensive closed cell foam will not hold water if the water has a place to run off too.
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