In response to current argument of how to make an atty thread on a Reo:
There seems to be a lot of dis-information floating around about the two possible scenarios
Scenario A: atty bottoms out on the top of the Reo without making contact
Solution: if atty has an adjustable pin (Cyclone, Divo, Mephisto, anything modded with a VA pin) adjust the pin by turning the center pin from the bottom 1/2 turn counter-clockwise. Reinstal to check for progress repeat as necessary.
Scenario B: atty threads on but gets tight BEFORE making contact with the center pin (Mikelu's scenario)
Solution: lubricate the threads on the 510 cup and tighten and loosen the atty a few times checking for conductivity each time once you have conductivity STOP!! If there is ASAP between the atty and the Reo such is life. Find and O-ring or spacer that is the correct depth to take up the gap or just live with it.
Do not under any circumstances continue to turn the atty once it makes contact, this is when bad things happen! I can't stress that enough!
I nor Rob care about your OCD need to have the airhole aligned a certain way or that there is a 1mm gap between your Reo and atty. Sorry to be harsh but this is how 510s are destroyed.
In my not always humble opinion the root issue is the original installation of the 510 cup. Remeber this is a chrome plated brass insert pressed into a correctly sized hole in 6160 aluminum. There are 2 variables at work here. If the hole in the aluminum is drilled with a bit nearing the end of its useable life the hole could be slightly too small due to wear on the flutes of the bit. This will cause the brass of the 510 to squeeze more than it should to fit when pressed in initially.
Result: undersized m7 .5mm threads. Causes scenario B.
Other possibility: if the hole in the aluminum is perfect and the pressing was also perfect another issue can be with the chrome plating itself. The brass insert is threaded first and chromed afterwards, if that plating is even slightly out of spec you will find yourself in scenario B.
Attys also have differing thread tolerances some have very pronounced and sharp threads (anything made in the last year by VA) or less pronounced like the rm2 and a lot of the clones. sharp threads will ultimately give you a better connection and less voltage drop but can be a pain to deal with initially.
In conclusion when you reive a new atty before you install it on your Reo or any other
device build a small coil and install it in the deck. Second examine the threads of both the cup and the atty for debris or any other inconsistencies that may cause issues, correct them. Third step thread the atty on to the Reo feeling for tension as soon as you feel tension install the battery into your
device and hit the fire button. Did the coil light? If yes stop there and look for a spacer of some sort to take up the remaining gap DO NOT CONTINUE TO TURN THE ATTY!! 510 destruction is certain and a trip back to Reo is eminent.
If it didn't light you will need to figure out why see above which scenario applies and proceed as prescribed above.
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