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Old 12 May 2013, 20:37   #61
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Country: UK - England
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Originally Posted by SPR View Post
you could always drill the holed 15 mm for the 10mm bolts - and then use bathroom silcone filler to fill any voids ... if you get it wrong fit square big plate over the mess - and nobody will know...


Luckily that's about the only thing I haven't had to deal with!
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Old 12 May 2013, 20:42   #62
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Have you drilled the fecking holes yet??

We need photo proof too!

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Old 12 May 2013, 20:59   #63
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Originally Posted by Pikey Dave View Post
Funny feckers them Frenchies
Ya .. in context that is weird almost welch even ?
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Old 21 May 2013, 22:23   #64
Country: France
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I suggest the following :

- you need a bloc of hard plastic, or better metal (ali) deep enough, for instance 2 inches, to keep the bit straight while you drill. It must be large enough to allow it to be safely clamped to the transom
- you drill one perpendicular hole (or more) , with a static drilling machine, router or equivalent. The diameter of the bit must be that of the hole you want into your transom - say 10mm
- you punch the holes centre on the transom, and pre-drill them @ 5mm for instance, 5mm deep, to get a pre-centering hole
- now you drill them @10mm, 5mm deep
- you set the metal block in place, using the bit as a centering tool, and clamp it in place

Now you can drill the 1st hole through the transom.
When this is done, just do the same for the other ones.

I would suggest to add a plywood clamped together with the block, on the other side of the transom to get a clean hole.
Other suggestion : use an old 10mm bit first, because a new one will be ruined after a few holes due to GRP abrasion ...

I have a block specially done with 2x10mm holes, I used it to drill U-bolts holes into transom.

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