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Old 10-06-2011, 08:22 PM   #31
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If you let it heat like that (while you are giving the pot hell via your drill) you are actually hardening the work, thus making any cutting harder, and potentially ruining your drill bit (or significantly dulling it). 45minutes is insane and I am surprised you didn't break the bit. Literally no more than 5-7 minutes for a 1 1/4 inch hole with plenty of rests and cooling the bit in oil dips.

Hey at least no you know



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Old 10-06-2011, 08:28 PM   #32
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All I can really add here is this: Don't use motor oil, for the love of all things homebrew. Remember you're gonna drink what comes out of there later. Use the veggie oil cause it's easy and you can eat it. The bonus is that the smell will make you hungry.



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Old 10-06-2011, 08:57 PM   #33
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Quote:
Originally Posted by HopsJunkie View Post
All I can really add here is this: Don't use motor oil, for the love of all things homebrew. Remember you're gonna drink what comes out of there later. Use the veggie oil cause it's easy and you can eat it. The bonus is that the smell will make you hungry.
I disagree. As long as you clean it, I don't think it matters. I used motor oil and it worked great. I was sure to wash it very thoroughly before using and never had any issues.

I know lots of folks who have done the same and aside from that strange appendage growing out of my forehead.... no ill effects.
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Old 10-06-2011, 09:17 PM   #34
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Well, we'll agree to disagree, but based on my background in restaurants and kitchens, I'm going to stick with something food safe, because I don't even have to think about it.

BTW, how's that forehead arm/appendage/branch treating you? I hear those are great if you're brewing alone. Maybe hold your beer while you stir the mash?

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Old 10-06-2011, 09:22 PM   #35
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I used dish soap as a lube, as recommended by my buddy who owns a fabrication shop, and it worked perfectly.

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Old 10-20-2011, 03:38 AM   #36
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How about drilling a 7/8" hole in an aluminum pot? Is a step bit necessary for aluminum or can I get away with a hole saw or regualr drill bit, if either is made for metal?

Cheers,

Nick

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Old 10-20-2011, 03:52 AM   #37
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Aluminum is very soft so any metal drill be will be fine.

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Old 10-20-2011, 04:07 AM   #38
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Even on "soft" aluminum, I definitely wouldn't try it with a 7/8" twist bit. A hole saw or step bit at slow speed with steady hands would be much less likely to tear up the pot...

Cheers!

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Old 10-20-2011, 04:56 AM   #39
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^^ true. Two flutes on a regular drill require much more control than the single flute step bit (recommended for sheetmetal) Two flutes will tend to climb the drill and end in loss of control...not to mention a possible irregular hole shape. Hole saw or step bit would work better.

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Old 10-20-2011, 12:10 PM   #40
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with the price of the HF step bits being what they are... just grab one and hedge your bet against something that is proven to work IMO



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