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Old 22 January 2014, 09:43   #11
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I have taken deliver of my deck matrix

I have as of today taken delivery of my deck matrix. Now it is time to start how to drill a hole thread. The plan is to drill out deck to recess the nuts, Screw and sika flex to the deck. The glass the unit in place and then flow coat the deck.
TSM
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Old 27 January 2014, 04:28   #12
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Drilled out the deck to accept the matrix

Drilled out the deck to accept the deck matrix this weekend. No going back now. This is turning out to be a bigger job than I though
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Old 10 February 2014, 10:07   #13
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Sanded the deck, cleased with thinners used a tuble of sikaflex 291 i in the cold. Then screwed the deck matrix into place. Next job to glass over the stainless unit and flow coat the deck. Belt and braces job.
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Old 10 February 2014, 13:21   #14
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looking good, though youre giving me ideas i could well do without!
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Old 10 February 2014, 16:40   #15
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Sanded the deck, cleased with thinners used a tuble of sikaflex 291 i in the cold. Then screwed the deck matrix into place. Next job to glass over the stainless unit and flow coat the deck. Belt and braces job.
How are you going to protect the threaded holes from the GRP/flowcoat?
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Old 11 February 2014, 04:25   #16
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I plan to use 8mm treaded bar. cut into 50mm lenghts. Screw in the treathed bar and glass around the treathed bar. When finished use visegrip to get purchase on the bar and tread the bar out. I dont know if it will work. I will tell you in a few weeks time.

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Old 11 February 2014, 05:59   #17
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Pikey

I plan to use 8mm treaded bar. cut into 50mm lenghts. Screw in the treathed bar and glass around the treathed bar. When finished use visegrip to get purchase on the bar and tread the bar out. I dont know if it will work. I will tell you in a few weeks time.

TSM
Why not use a long bolt instead of threaded bar? Surely something wih a head on it would give you better purchase to extract it using a socket set or driver , when you have finished glassing.
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Old 11 February 2014, 07:32   #18
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socket head cap screw will have a relatively small head, but you can use a allen key to make removal easy afterwards
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Old 11 February 2014, 11:45   #19
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socket head cap screw will have a relatively small head, but you can use a allen key to make removal easy afterwards
+1, put some Copperslip on the threads too, if one picks up you're shagged. I'm guessing that the GRP will need a bit of fettling around the holes when you unscrew whatever you use to protect the holes.
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Old 11 February 2014, 15:27   #20
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+1, put some Copperslip on the threads too, if one picks up you're shagged. I'm guessing that the GRP will need a bit of fettling around the holes when you unscrew whatever you use to protect the holes.
would vaseline or silicone grease be better than copper-slip? - in that cleaning copper-slip off the internal threads will be a PITA but you don't want to leave a smear on there to accelerate dissimilar metal corrosion when the final assembly is done?
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