SFIC picking question

[davesnothere11]

Is it possible to be setting some pins to the control shearline as well as some to the regular open shearline so that all pins are set but the plug won't turn becaue they are all not at the same shearline.

As I've progressed to 5 and occasionally 6 pins in my BEST locks it feels like that happens to me sometimes but it could very well be inexperience.

[xeo]

Short answer is no. Not possible.

However, what you may be experiencing is picking to the control shearline counterclockwise, where the lock WILL seize and become unpickable. Its just like turning the control key counterclockwise.

[HT4]

Short answer is no. Not possible.

Can you expand on this? I always assumed the opposite... but I also have very little SFIC experience. Thanks in advance.

[davesnothere11]

Tension is being applied clockwise. I didn't think so but I get to a point where all the pins feel set but the plugs not turning. I probably have just over set pins.

The other weird thing is when I release tension after this happens I hear 7clicks as the pins are unbound and I know this core only has 5 pins

Edit : added extra detail

[twenglish 1]

The stacks contain more than two pins, you may be hearing them release at different times, and about not being able to set some pins to each shearline, I think once you set one to either the operating or control, all the others will bind to that shearline, I am not positive that is how it works though, maybe someone else can confirm?

[Jordo-]

I have a couple of questions on the best sfic (7pin) myself, wasnt shure if i should start a new topic or not, so i decided to just ask here... Hope theirs no problem with that..

So, first (A) i was wondering what is the distance from the start of chamber 1 to the end of chamber 7.
Second (B) The diameter of pin chambers.
And third, and most important measurement im looking for (C) Spacing between pin chambers

thanks for the help guys!
take care
Jordan

[WestCoastPicks]

I have a couple of questions on the best sfic (7pin) myself, wasnt shure if i should start a new topic or not, so i decided to just ask here... Hope theirs no problem with that..

So, first (A) i was wondering what is the distance from the start of chamber 1 to the end of chamber 7.
Second (B) The diameter of pin chambers.
And third, and most important measurement im looking for (C) Spacing between pin chambers

thanks for the help guys!
take care
Jordan

If you're trying to make a peterson style sfic tension wrench, I have seen the measurements on the forums before. You could also gut one and measure it ☺

I think I saved the info, I'll take a look when I get home.

[Jordo-]

Sorry for the late reply, I was away for a few days..

id like to have the numbers to compare to other locks but mostly i wanted to try something different...

I know a lot of people will tell me this is not possible, but i wanted to make a comb.. I know it wouldent work as a normal comb pick, but i was wondering if i had the lock picked to operating sheer line, and if i had the plug in the 180 degree position, i was thinking depending on the biting or key pin length, I might, just might be able to get the rest of the pins above the control sheer line...

i have been asked my some local police and firemen to demo a sfic lock but i only have 1, and ofcouse it doesnt have any keys, and its in a mortise housing... it was given to me by a locksmith in a neighboring town... Id love to just admit defeat and buy one with keys but im in-between jobs at the moment and quite low on funds :/

again, i know most ppl will say its simpally not possible, but id like to give it a try anyway

id still like to have the measurements for the finch style tension wrench, i know the holes on the bottom of the plug are smaller so the measurements wouldent quite work for the comb i want to make, but yeah.. the sfic tension wrench i made doesnt quite match up in all the holes, so those numbers would be great to have aswell, thanks

[Riyame]

I know a lot of people will tell me this is not possible, but i wanted to make a comb.. I know it wouldent work as a normal comb pick, but i was wondering if i had the lock picked to operating sheer line, and if i had the plug in the 180 degree position, i was thinking depending on the biting or key pin length, I might, just might be able to get the rest of the pins above the control sheer line... again, i know most ppl will say its simpally not possible, but id like to give it a try anyway

It could technically be possible but you would have to be in a very specific set of circumstances for it to happen. The cuts for the control shearline can actually be lower than operating. If all the operating cuts are deep and you manage to turn the plug 180° you would then have to deal with the pins in the plug taking up roughly half of your space. If you managed to get the comb tool in it might not be long enough to lift the pins above the control shear line. If there is even a single high cut it is not possible as the pins will not be able to be pushed up high enough to clear the control shear line.

But then you run into the problem of dropping thinner master pins when you turn the plug 180° and really screwing up the lock and generally ruining the reason you would want to take the core out that way. So while it being theoretically possible something as simple as having the top caps can throw even that off. It would be a one in a million chance of actually working.

[Jordo-]

Thanks for the positive response! that's a couple of things I wasn't thinking about,

1) the fact that " The cuts for the control shear-line can actually be lower than operating." and 2) ".. then you run into the problem of dropping thinner master pins when you turn the plug 180° and really screwing up the lock and generally ruining the reason you would want to take the core out that way."

but yeah.. if i do manage to get the thing open to control, i will most likely have it re-keyed to so i can properly demo it, and to have a working sfic in my collection... however I think I'm about to admit defeat on it... I have gotten it open probably close to 500+ times but always to operating sheer line :/

thank you for pointing these things out, I was kinda looking it a certain way, and not seeing the total picture, so to speek, just want to get the dam thing outta' its housing

[spuds]

Maybe this will help

http://www.crypto.com/photos/misc/sfic/

[Jordo-]

thanks! i have came across that page before but ill defiantly give it a look over again..