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31 Ryborunner Build

Old 04-30-2017, 07:47 AM
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Default 31 Ryborunner Build - Back Outta the water

I have always loved the lines of the Ocean Master 31 but they never came up for sale with a bracket so when a 31 Rybo came popped up for sale on CL I jumped on the chance to get a new project.

Hull yr is 1985 but in pretty damn good shape. There has been a ton of hack job additions, including the worst gas tank install I have ever seen. But it is all coming out and starting a new.

Plan is -

White Hull
Black bottom
Awlcraft2000 Interior - Matterhorn White
Twin 300 Verados (350's if I can somehow come across the greatest deal of all time)
Hard top with second station
Twin Simrad Evos 12" & 9" for gauges

I'll keep a decent amount of pictures coming, hope to get all the feedback as possible

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Yesterday I started the teardown. Every single hose, pump, electrical component will be new. The console is huge, I can stand up in there & I am 6' 3".

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This is the WORST, most dangerous fuel tank install I have ever seen
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Can see why these boats sunk at the dock. I am going to have to find a better solution to the scuppers.
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The previous owner had been screwed over by an apparent crook, he had paid to get his boat refurbished but he was left with where it is now. Including two "fishboxes"... Cutting up a huge portion of the floor. So I will make them into fairly large fishboxes / storage on macerators and glass in the two original small boxes in the stern.
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Last edited by Castrohasanafro; 04-19-2019 at 06:44 AM.
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Old 04-30-2017, 08:25 AM
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Sub'd
Old 04-30-2017, 08:31 AM
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Default Nice project.

Gonna be sweet.
Old 04-30-2017, 08:32 AM
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Nice, good job, will look awesome when finished, keep posting pics we all love them
Old 04-30-2017, 08:44 AM
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Default Some things to look at

Watch out for the vent boxes coming loose causing a sink. Mighty want to reinforce thebjoints using glass and epoxy. Cal Connell built me a nice flotation bracket that raised the scuppers.Pm me for any questions.
Old 04-30-2017, 08:46 AM
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Boat has some beautiful lines, but boy you have same work to do.
Old 04-30-2017, 10:38 AM
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Saw one sitting/gutted in pompano last week...
Definitely change out the underwater fittings, had one drop at my dock in '94
Old 04-30-2017, 12:07 PM
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Darwin Award winner right here...



Old 04-30-2017, 12:13 PM
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For the keyboard engineer's I have a question.

The boat came with three fuel tanks.
1 Fuel tank up front right behind the forward fish box (removed the tank in photos above ^)
1 Large tank behind console
1 smaller tank behind the large tank, in front of the bilge

I have never owned a step hull boat so I do not want to mess with any potential balance problem's down the road. So the question is what do I do with the placement of these tanks? I know I have to leave the large center tank but the smaller tank right behind it can be removed and replaced with two saddle tanks I would install to the left and right of the console putting more weight forward.

I have never been on this boat in the water, or any other for that matter so I have no idea the riding characteristics of the hull? What would be the general consensus? Leave the tanks as they are or look into putting saddles?
Old 04-30-2017, 01:48 PM
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Can't wait to see the progress.
Old 05-02-2017, 02:34 PM
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Tanks are pulled and they look to be in great shape and already coated in either tar or another protective covering. To my best approximation: Main Tank - 275 Gall & Smaller Tank is 75. That is plenty fuel, if I can average close to 1.5mpg long keys & bahamas runs wont be an issue anymore.

Starting to make the molds for the fish boxes and splashguards but I need help with molding bends. Is there a plastic that can be heated, applied to the surface of what you would like to copy then harden?

I.E - The speaker enclosure / support for the gunnels are only in the rear when I would like another set forward of the console on both sides to support the gunnel (and hold speakers) but the curvature of the hull outward is very hard to replicate for a mold... Any suggestions?
Old 05-02-2017, 04:06 PM
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very cool, sub'd. You keeping or replacing the Mako?
Old 05-02-2017, 04:33 PM
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I restored one of these a few years ago, great boat, beautiful line. Worth the effort.
Old 05-02-2017, 05:58 PM
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I am really impressed with the build of this boat. Its a 1985 and there are almost no stress cracks, sure there are a few in some corners but compared to Mako its like night and day. The removable flooring for the fuel tanks are easily 100 & 200lbs and 1 1/4 thick. I have am going to be re-coring them with coosa probably or other light weight composite material to drop the weight

very cool, sub'd. You keeping or replacing the Mako?
Going to put it up for sale in the beginning of next month to finance the motors, depending on finances I might go new. G'2's would be awesome but heavily leaning towards verado's.

I restored one of these a few years ago, great boat, beautiful line. Worth the effort.
I have a few questions if you don't mind me picking your brain? It's kind of like putting together a puzzle... with no picture... or corners
Old 05-09-2017, 07:33 PM
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Sooo... I need some help here.

Previous owner wanted to have fish boxes installed and cut up the floor then someshit went bad with the builder and now im here with a pretty poorly placed floor to reglass. How on earth do I properly build up the glass on the left corner to have enough strength?
[IMG]20170508_183347 by [url=https://www.flickr.com/photos/97133128@N08/[/url], on Flickr[/IMG]
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Old 05-09-2017, 07:37 PM
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On a much more fun note.. I purchased two Simrad NSS 16's because why in the hell not and through my friends peer pressure and a few beers I said f it and bought em.

Also going to put a 7" to use as gauges with the vrods..Its going to be a killer set up!!

[IMG]20170509_195939 by , on Flickr[/IMG]
Old 05-09-2017, 08:08 PM
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This will be fun to watch
Old 05-09-2017, 08:13 PM
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Great candidate you found there for a rebuild. Looking forward to seeing it come together.
Old 05-10-2017, 06:46 AM
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"Previous owner wanted to have fish boxes installed and cut up the floor then someshit went bad with the builder and now im here with a pretty poorly placed floor to reglass. How on earth do I properly build up the glass on the left corner to have enough strength?"

I'm no expert, but I think you need to shorten your boxes enough to have some solid corner. Whoever did that, should be only building 3 parts legos blocks.

Boat will look really nice when finished!
Old 05-10-2017, 02:54 PM
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Originally Posted by Castrohasanafro View Post
Sooo... I need some help here.

Previous owner wanted to have fish boxes installed and cut up the floor then some shit went bad with the builder and now i'm here with a pretty poorly placed floor to reglass. How on earth do I properly build up the glass on the left corner to have enough strength?
Are you planning to abandon the "fish boxes"? I guess either way you have to deal with it. You may need to glass in a smaller patch, rather than the whole piece so that you can glass on the underside to gain some lost strength. You'll need to grind the top side down into the hatch rim (inside, not just the top) to get some thickness on the top.

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