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Why are bumpkey.us pins enlarged at the tip?
Posted 23 February 2008 - 12:59 AM
This isn't an issue of needing to be filed to make a minimal motion key. I just want to use the pullout method with an unmodified key. But I don't see the purpose of the extra-large tip.
Posted 25 February 2008 - 11:20 PM
Posted 27 February 2008 - 09:57 PM
If you file the tip and shoulder to make a minimal movement key, then the large hill at the tip of the key wouldn't matter, since it would be out of the way beyond the last pin. But if you want to use the key with the pullout method, then the large hill is between the second to last pin and the last pin. Doesn't it make the key useless for the pullout method unless you file down the large hill to the same height as the rest of the hills?
I'm fairly sure that it simply has to do with the fact that there is not another cut on the other side of the 'hill'. If you continued the spacing and cut another cut past the tip of the key you would get all the same hight 'hills'. I'll try it out at school tomorrow.
Another way to ask this is, has anybody bought a bump key from bumpkey.us and successfully bumped open a lock using the pullout method without first filing the key?
Posted 28 February 2008 - 04:07 AM
So yes, its possible without filing. Filing supposedly makes it MUCH easier tho. Ill be very happy when i finally get the filing done right...its pretty hard without pics to go by.
Posted 14 March 2008 - 03:29 AM
Schlage keys are cut referenced to the shoulder. 0+n+x+x+x+x+x n is the shoulder to first cut, then x is the spacing between each cuts and I don't exactly remember what that is off top of my head.