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#1
07-19-2011, 05:28 AM
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Need a good trick: Drill a hole
So i screwed up, i drilled a hole 1.25" for my mixing station but i actually need a 1.75". Now is there any easy trick to make 1.25" into 1.75"?
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155 gallon bow front 
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#3
07-19-2011, 05:31 AM
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the problem is the hole is at the bottom of the barrel so i can't clam any wood to it
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155 gallon bow front
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#4
07-19-2011, 05:33 AM
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Take a piece of wood and drill a 1.75" hole in it, clamp it to the mixing tank some how so that it is centered over the 1.5" hole, slowly drill it out with lots of water. Made the same mistake and this is how I corrected it, it took long to drill the second size then the first.
EDIT: Brett beat me to it. What is the barrel made of Tai?
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Feed the bear goodies, make a new friend, don't feed the bear............... 8' - 165gal Reef DIY LED's Build 2012 Nano Contest Winner Febuary 2013 POTM Winner 300 gal + 60 gal Complete DIY Build
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#5
07-19-2011, 06:15 AM
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It should be possible using the same technique as glass drilling. Glass drill bits don't have a guide. Start by holding the whole saw bit on an angle and grooving the barrel about 1/4" from the original hole. Slowly straighten the drill using the grove as the guide.
It might work? - Brad
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#6
07-19-2011, 06:48 AM
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got it working. I drill the guide on wood and then put it against the barrel with my two feets, the barrel is against the wall for leverage and slowly drill over top of the original hole.
Awesome! Thanks for all inputs and ideas. Cheers
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155 gallon bow front
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