Drilling horror stories?

[chesterthehero]

this explains the pvc overflow.. if you have questions.. watch it again..

(img is also linked so you dont have to wait for it to start over)

 

[keiths]

Interesting so the drain would be right at water level. Seems to make sense. I think I read that with a 1" pipe it would do about 600 gph. So does anyone have any design of this where it has 3 intakes?

 

[chesterthehero]

Interesting so the drain would be right at water level. Seems to make sense. I think I read that with a 1" pipe it would do about 600 gph. So does anyone have any design of this where it has 3 intakes?

1" might do 600gph as a syphon.. but not as a gravity drain.. someone around here will have a link to a gravity flow chart.. i use to have one bookmarked but i dont know what i did with it... for 1800 gph my guess is you would need 2-4 2" pvc overflows maybe more...

 

[keiths]

I found this, I don't know how accurate it is:

3/4" 330 gph
1" 600 gph
1 1/4" 910 gph
1 1/2" 1300 gph
1 3/4" 1800 gph
2" 2350 gph
2 1/4" 2960 gph
2 1/2" 3650 gph
2 3/4" 4450 gph
3" 5280 gph

 

[crowconor]

yeah im kinda interested in doing it too im going to hear some horror stories first

 

[keiths]

yeah im kinda interested in doing it too im going to hear some horror stories first

I haven't been able to find too much. On another forum some dude cracked his tank I guess. If you search youtube you can also see what happens when you try to drill a tempered glass tank

 

[chesterthehero]

i have not horror stories of my own.. but generaly theres only 6 ways to screw it up

-trying to use a wood/metal hole saw
-pushing too hard and just flatout smashing the glass
-pushing too hard as you go through the glass and smashing it with the drill
-not putting "padding" on the other end of the tank and the falling piece of glass smashes the other side
-trying to drill tempered glass
-drilling in the wrong place cuz you were not paying attention

 

[Dr Joe]

Makes sense. Is it just as easy to drill the tank when it is standing up? The tank weighs like 600-700 lbs empty and I don't want to have to try to lay it on its side.

As long as you can keep water running on the cut to keep the cutter cool and cut cleaned out and can keep your balance and a steady hand you'll be ok.

CHOMPERS eloquently displayed his endeavors well in a past thread. His use of a guide is mandatory for hand drilling. And a variable speed drill is a must.

Dr Joe

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