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Bomb proof board from XPs insulation foam

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TomW
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Re: Bomb proof board from XPs insulation foam

Postby TomW » Thu Feb 02, 2017 4:52 pm

looks pretty good man! Nice paint job

borist
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Re: Bomb proof board from XPs insulation foam

Postby borist » Fri Feb 03, 2017 12:25 am

omg wrote:borist, looks nice. How stiff is the board, I mean if you press down the nose of the board or more realistically the front foot strap, does it flex? How many layers of glass on top and bottom did you put? Any wood patches etc?
2 layers of glass (not sure of weight) each side with rail overlap, so rails get 4 layers of glass. No wood, carbon patches sandwiched between glass layers (see below).
Board feels quite stiff, possibly due to carbon strips that overlap around the nose. I'll check for flex when I go out. Wind was no show this week so far.

Image

max
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Re: Bomb proof board from XPs insulation foam

Postby max » Sat Feb 04, 2017 9:28 am

TomW wrote:looks pretty good man! Nice paint job

exactly my thoughts when I saw the pic.

unfortunately did not take any pics of the glassing and placement of the veneer. Next time.

Two pics of it on the rocker table under vacuum. Running on 25" of mercury by gauge. Foam rated at 350kpa so should not have any issues with compressing the foam.

Setup should produce around 6cm of rocker . . . starting around the centre of the board.
Attachments
IMG_1063.JPG
IMG_1063.JPG (105.35 KiB) Viewed 2390 times
IMG_1064.JPG
IMG_1064.JPG (125.24 KiB) Viewed 2390 times

TomW
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Re: Bomb proof board from XPs insulation foam

Postby TomW » Sat Feb 04, 2017 11:10 pm

Clean set up. It's going to turn out great.

max
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Re: Bomb proof board from XPs insulation foam

Postby max » Sun Feb 12, 2017 9:34 am

some progress.

25mm diam plugs through from bottom to deck.
IMG_1068.JPG
IMG_1068.JPG (73.03 KiB) Viewed 2219 times
bottom view
IMG_1075.JPG
IMG_1075.JPG (81.46 KiB) Viewed 2219 times

Top view
IMG_1070.JPG
IMG_1070.JPG (96.3 KiB) Viewed 2219 times

Inserts routed and glued in and edge tidied up
IMG_1085.JPG
IMG_1085.JPG (110.65 KiB) Viewed 2219 times
IMG_1095.JPG
IMG_1095.JPG (101.8 KiB) Viewed 2219 times

A bit more rail and underside shaping and ready for glassing.

plummet
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Re: Bomb proof board from XPs insulation foam

Postby plummet » Sun Feb 12, 2017 7:32 pm

max wrote:some progress.

25mm diam plugs through from bottom to deck.

IMG_1068.JPG

bottom view

IMG_1075.JPG


Top view

IMG_1070.JPG


Inserts routed and glued in and edge tidied up

IMG_1085.JPG

IMG_1095.JPG


A bit more rail and underside shaping and ready for glassing.
looks real nice

BWD
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Re: Bomb proof board from XPs insulation foam

Postby BWD » Sun Feb 12, 2017 8:18 pm

8) cool :thumb:

DartBoard
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Re: Bomb proof board from XPs insulation foam

Postby DartBoard » Sat Feb 18, 2017 1:02 am

Lookin good!

Great rocker table too. What plastic are you using for your vac bag??

max
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Re: Bomb proof board from XPs insulation foam

Postby max » Sat Feb 18, 2017 2:00 pm

DartBoard wrote:Lookin good!

Great rocker table too. What plastic are you using for your vac bag??

really special stuff I got from the hardware store :)

I think it the same as the plastic they put under slabs only it is clear instead of black.

bottom tidied up and ready for glassing
IMG_1102.JPG
IMG_1102.JPG (87.77 KiB) Viewed 1959 times
two closeups of the glass job. 3 x 200g (6 onz) E glass plus one patch over the strut mount

decided to go without vac bag. Had shaped the last bit of rocker into the blank and it was sitting cleanly on the table at 6cm which is what i was after so no need to bag it. Rounded off all the rails to allow an easy wrap job. Rails wrapped with 3 layers up to top veneer. Will glass top with 2 layers of 200g wrapped to bottom edge (so will be 5 layers 200gm on the rails).
IMG_1108.JPG
IMG_1108.JPG (78.15 KiB) Viewed 1959 times
IMG_1116.JPG
IMG_1116.JPG (81.8 KiB) Viewed 1959 times

DartBoard
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Re: Bomb proof board from XPs insulation foam

Postby DartBoard » Sun Feb 19, 2017 2:16 pm

:) grunt 100um plastic?. Is there nothing Bunnings can provide!!!

Board looks great! Can wait to see it in action.


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