Author Topic: Wing Board Build 4'6" x 23" x 5.25" ~75-80L  (Read 12764 times)

JohnnyTsunami

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #30 on: June 30, 2022, 02:03:01 PM »
New board built right as the above board filled with 2+ lbs of water from the various pinholes and dings.

I did a full dcell wrap. 3oz spread tow underneath the full board. 5.7oz on top and patches on the deck and of course the bottom. 1” dcell diamond around the box as well.

I think I can say that 1lb eps needs a dcell wrap. The board is way more solid than my first, and lighter. 9.4pbs with the pad on. The volume is slightly higher by accident. Maybe 75L. 4’8” x 22.25”. Stoked. More rocker means less nosediving. Slight concave is nice. 2mm high density EVA pad feels more solid than the 1/4” NSI stuff and half the weight. Pinholes don’t matter with a full wrap!


jondrums

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #31 on: July 02, 2022, 11:02:51 AM »
looks amazing!  Thanks for the photos

What's between the 1lb EPS and the dcell wrap? 
What is the red filler you're using?

JohnnyTsunami

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #32 on: July 02, 2022, 06:14:30 PM »
2.9oz spread tow carbon. Fingers crossed it’s enough.

It’s just phenolic microballoons from fiberglass supply. I ran out of cabosil so I didn’t use any in the whole build.

Dontsink

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #33 on: July 02, 2022, 09:26:28 PM »
Wow, looks great!.
How does the PVC wrapping go?.
You shape the blank, wrap in carbon spread tow and Dcell and vacuum bag? .

JohnnyTsunami

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #34 on: July 02, 2022, 10:02:24 PM »
Pretty much every step this guy takes in his series.

https://youtu.be/KqLLLoNWoCo

 For a first timer it was tons of work. You do the carbon under and the wrap at the same time in a vacuum, then the other side. Then you reshape (and fix the bad spots). Then you carry on with glassing and putting in the inserts as normal. Basically double the glassing and bagging and fiddly shaping work.
I did a flat piece on the bottom and cut the beveled parts separately and bagged that together because I wanted a hard edge on the bevels and I wasn’t sure I could get that by just forcing the bag to do the work (still not sure). Also you can’t use much pressure until you have a layer of carbon or dcell or you may lose your rocker line.

 Then I did the top in one piece making little relief cuts. One tricky thing is making sure there are no voids in the edges and bends. I used microballoons on top of my carbon after it was wet out in a table before placing the dcell on top especially on the rails. I will look for a foaming additive for the epoxy next time and mix that on the side for the whole curved rail bit.


https://youtu.be/KqLLLoNWoCo

Dontsink

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Re: Wing Board Build 4'6" x 23" x 5.25" ~75-80L
« Reply #35 on: July 03, 2022, 04:34:38 AM »
Sounds pretty daunting,thx for the vid links!.

 


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