Author Topic: Fixing up and old SUP.  (Read 13344 times)

clinto

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Re: Fixing up and old SUP.
« Reply #15 on: February 22, 2017, 07:15:59 AM »
I have successfully finished the repairs. There were a lot more than i anticipated, but i have am happy to say i did it right. Even though it is a spare board i know everything is very tight and solid. The new traction pad is great looking and was only $54 from amazon. Its made by Thurso Surf. Good solid pad with 3M adhesive. Now for some waves so i can get out and try it. Thanks for everyone's advice. a few pics showing before and after. A new pad really changes the look and makes it feel new again.

eDUBz

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Re: Fixing up and old SUP.
« Reply #16 on: February 25, 2017, 08:38:54 PM »
well done!
@rf.boardworks

Dusk Patrol

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Re: Fixing up and old SUP.
« Reply #17 on: February 25, 2017, 08:53:28 PM »
Very nice! You can be proud of that work for sure.
RS 14x26; JL Destroyers 9'8 & 8'10; BluePlanet 9'4; JL Super Frank 8'6

Night Wing

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Re: Fixing up and old SUP.
« Reply #18 on: February 26, 2017, 05:05:58 AM »
Very nice repair job.

Let us know how she does when you take her out for her maiden session with you.
Blue Planet Duke: 10'5" x 32" x 4.5" @ 190 Liters (2 Dukes)
Sup Sports Hammer: 8'11" x 31" x 4" @ 140 Liters
SUP Sports One World: 11'1" x 30" x 4.5" @ 173 Liters
CJ Nelson Parallax: 9'3" x 23 1/2" x 3 3/16" @ 78.8 Liters (prone surfing longboard; Thunderbolt Technologies build in Red construction)

stoneaxe

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Re: Fixing up and old SUP.
« Reply #19 on: February 27, 2017, 06:54:01 AM »
Sweet! nice to give and old board new life.
Bob

8-4 Vec, 9-0 SouthCounty, 9-8 Starboard, 10-4 Foote Triton, 10-6 C4, 12-6 Starboard, 14-0 Vec (babysitting the 18-0 Speedboard) Ke Nalu Molokai, Ke Nalu Maliko, Ke Nalu Wiki Ke Nalu Konihi

clinto

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Re: Fixing up and old SUP.
« Reply #20 on: June 25, 2017, 06:45:15 AM »
It seems like all of my boards are needing repair at once right now. Good thing I'm figuring out how to do it better with each repair. My latest issue is on a laird Pearson I just picked up. There is a crack around the fin box on one side of the center fin. The previous owner didn't notice it so he recently took the board out. I figured it had some moisture and set it in the sun for hours to start the dry process. No moisture came out at all. I check regularly but nothing. The box is still solid and is square with the deck. It's almost like the box separated from the resin inside the board but the resin is still sealing the foam. I'm thinking about just injecting some epoxy in the crack so it over flows and sand it. Should I open it up if there is no sign of moisture?

PonoBill

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Re: Fixing up and old SUP.
« Reply #21 on: June 25, 2017, 07:14:51 AM »
Injecting epoxy does next to nothing--it's just unsupported and when the deck works it cracks. Now that you've had a board open you realize how thin the fiberglass is on a surfboard, and how close to the edge of yielding the structure is to keep the board light. Squirting some epoxy in just creates a lump for the glass the break around. If you want to keep the board it's necessary to replace the handle, but that's a good excuse to install one of the handles from Blue Planet. Beautiful job on your last project by the way. My work doesn't look like that--my boards look like those old pictures of battered war veterans.
« Last Edit: June 25, 2017, 07:21:04 AM by PonoBill »
Foote 10'4X34", SIC 17.5 V1 hollow and an EPS one in Hood River. Foote 9'0" x 31", L41 8'8", 18' Speedboard, etc. etc.

Bean

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Re: Fixing up and old SUP.
« Reply #22 on: June 25, 2017, 07:37:23 AM »
Clinto, I would install a fin and put some side pressure on it to see if the crack expands and contracts.  I bet it does, in which case PB is right, install a new fin box the right way.  It's a fun project, and you are more than capable.

PonoBill

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Re: Fixing up and old SUP.
« Reply #23 on: June 25, 2017, 07:49:44 AM »
Brain fart, I was thinking you had a handle problem again, didn't look close enough to see it was a fin box. Early Sunday morning is my excuse. Lots of stress on fins, so injecting is an even worse idea.
« Last Edit: June 25, 2017, 07:51:26 AM by PonoBill »
Foote 10'4X34", SIC 17.5 V1 hollow and an EPS one in Hood River. Foote 9'0" x 31", L41 8'8", 18' Speedboard, etc. etc.

clinto

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Re: Fixing up and old SUP.
« Reply #24 on: June 25, 2017, 08:31:52 AM »
You guys always kill my shortcut lazy plans. That's why I ask. I don't have a router but need one obviously. Should I pay a pro to router out the old box or do myself if I have never attempted it?

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clinto

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Re: Fixing up and old SUP.
« Reply #25 on: June 25, 2017, 01:33:44 PM »
So router or not I dove in head first. Taped it off around the box, multitool along the edges, multitool to cut box in half, and then hole saw on the drill for the ends. I then used pliers to rip it out in pieces while being careful not to damage the glass or foam. It's not the prettiest hole but I'm all set for a new box. I started to get nervous during the removal but it only took 45 minutes total. Should I add q cell or chopped cloth in with the epoxy when I set the new box?

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jrandy

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Re: Fixing up and old SUP.
« Reply #26 on: June 25, 2017, 02:24:14 PM »
Looking good Clinto! I would case the fin box with HD foam as long as you are 'in there' so to speak.

http://pushheretosavealife.com/
Be safe, have fun. -J

PonoBill

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Re: Fixing up and old SUP.
« Reply #27 on: June 25, 2017, 10:28:41 PM »
He pretty much needs a router to do that. Since you are attempting to do this without routing (nice job by the way) the big problem is going to be getting your fin box down far enough in the hole. A little cleanup of the bottom of the hole and some test fitting could get you close. If you're in the ballpark of flush you can grind the box down a little while you sand the paint and hotcoat off to get to bare glass so you can taper the patch. I go pretty wide on finbox repairs - 3 to 4 inches on each side, if you've got some S-glass this is a good place to use it. As JRandy says, a PVC cartridge is the best way to go, adds a lot of strenght to a critical area, but you can get away with gluing it in with chopped glass, or better yet, some chopped carbon. If you mix the carbon in really well it comes unwoven and turns into lose strands. These will actually lay thinner than chopped glass so there's less chance of having the finbox stand proud in the hole. If you use carbon don't use much. You're not trying to make a carbon paste, just some fibers to strengthen the glue.
« Last Edit: June 25, 2017, 10:30:43 PM by PonoBill »
Foote 10'4X34", SIC 17.5 V1 hollow and an EPS one in Hood River. Foote 9'0" x 31", L41 8'8", 18' Speedboard, etc. etc.

clinto

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Re: Fixing up and old SUP.
« Reply #28 on: June 26, 2017, 05:33:03 AM »
Thanks guys. All of the videos i have seen where a single fin box was installed shows a fin box with alot of extra lip on it that is sanded down or grinded down after the glass sets. Is there other options? I am heading to our local shaper shop on Weds to see what they have and plan to pick up some scrap carbon as well. Do i need a lap of of cloth on top of everything once the box is set in place? Also, any tricks to getting everything inline and straight when setting the box? i have seen where they have the fin in the box and tape over it once square.

TallDude

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Re: Fixing up and old SUP.
« Reply #29 on: June 26, 2017, 08:32:55 AM »
Also, any tricks to getting everything inline and straight when setting the box? i have seen where they have the fin in the box and tape over it once square.
You can pencil in a line right down the center with a flexible straight edge. I use a PLS laser specially on a very long board to give me the perfect center line. I then make pencil marks on the tape around the box repair area that correspond to the four corners of the fin box. Then insert a fin, use square to position the fin at a 90 deg and tape it rail to fin to rail.   
It's not overhead to me!
8'8" L-41 ST and a whole pile of boards I rarely use.

 


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