Hard draw from my 510

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sjohnson

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Nov 12, 2009
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Yes.. but in this case, .023" (.040 vs. .063) is quite a bit! The area goes as the square of the diameter.

Remember.. all of the air that goes through those TWO side holes has to also go through that ONE center hole.

Have fun and be careful! ;)
Oops, the area goes as the square of the radius, but your point is well taken.

pi X (0.020)(0.020) = 0.00126 sq inches for the 0.040 bit

pi x (0.0315)(0.0315) = 0.00312 sq inches for the 0.063 bit, almost 2 1/2 times larger.
 

robl45

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Jan 2, 2010
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can I get some idea of exactly what I'm doing here, i just tried this and destroyed the atomizer. No big deal on that as I have others and it wasn't a good one. I did take it apart though. what am I trying to drill through? There was a plastic disc on the bottom, then it was encased in the metal mesh I guess, then under that was a rectangle of plastic that holds the coil, I'm assuming I'm not supposed to be going through the metal mesh? just open up that plastic hole on the disc on the bottom?

The correct drill for going up the center hole and opening up the insulator disk is a #52. But, a 1/16" will work just fine. Just go up through the plastic. If you go further you will get into the bottom layer of metal mesh under the ceramic coil pot.. and then into the coil pot itself. Kinda hard to do any real damage though.

A #60 would be the right drill for opening up the two small side breather holes. You only need to do that if you can see any of the center insulator (white plastic) through the holes. If you go too far, you start cutting into the center (+) pole contact... no harm done at all.
 
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