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Old 18 July 2011, 10:06   #1
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Screwing into plastic console.

Hi

I am installing a VHF antenna that will be screwed to a plastic rigiflex console:



The antenna came with small silver screws. Would it be ok just to drill small pilot holes and then screw in through these? The plastic is about 3-4mm thick.

Thanks.
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Old 18 July 2011, 10:14   #2
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If they are self tapping screws it should be fine - make sure your pilot holes are quite a bit smaller than the screw.
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Old 18 July 2011, 10:16   #3
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If you have access to the rear it would be an idea to add a reinforcing plate (ply or similar) to screw into and to spread the load and add strength/rigidity.
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Old 18 July 2011, 10:57   #4
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If you have access to the rear it would be an idea to add a reinforcing plate (ply or similar) to screw into and to spread the load and add strength/rigidity.
Or replace the self tappers with set screws, nylocs & penny washers. All in stainless of course
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Old 18 July 2011, 11:18   #5
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Or replace the self tappers with set screws, nylocs & penny washers. All in stainless of course
Gets my vote every time. Haven't got any faith in self tappers into plastic
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Old 18 July 2011, 11:28   #6
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+1 for small through bolting
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Old 18 July 2011, 11:39   #7
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Can't get that far up the inside though.
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Old 18 July 2011, 12:00   #8
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Can't get that far up the inside though.
My worry with self tappers would be that you might end up cracking the plastic console when putting the self tappers into a too small pilot hole, or, having the self tappers pull out because the pilot hole was too big, or, having the self tappers pull out simply because of the whip of the antenna.

I'd be looking for somewhere else if you can't get access within the console
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Old 18 July 2011, 12:08   #9
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Hi

I am installing a VHF antenna that will be screwed to a plastic rigiflex console:



The antenna came with small silver screws. Would it be ok just to drill small pilot holes and then screw in through these? The plastic is about 3-4mm thick.

Thanks.
Hi,if you have a base with your antenna try to stick it down somewhere flat with silicone,save you drilling holes ,iv done that on my rib & it's solid .
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Old 18 July 2011, 12:11   #10
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Can't get that far up the inside though.
Where on the console were you installing this mount? You can reach inside from the foot opening no? The steering cable and gauge wires come down from somewhere.
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