Home High Security and Challenge Locks (774) Japanese BL-10 Bar Lock

(774) Japanese BL-10 Bar Lock

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My vises are made by Panavise, a U.S. Company.  The one with the wide jaws is the model 350.  The smaller one is the model 301. Both have the 312 Base mount – www.panavise.com

 

Comment(28)

  1. I just love this destructive testing part. I would like to see what would happen if you used hydraulic pressure, which is quiet, to jack up the shackle.

  2. put one of those bars in the vice on edge with the pin near the vices jaw, then throw a monkey wrench on the next bar to it and throw your weight on it. if that don't get it get ya a cheater pipe for more leverage; i bet that'll separate that joint.

  3. I wonder, does no1 carry a blowtorch? all you need is 1800 degrees celsius for any kind of steel. Little propane or acetylene and pure oxygen makes short work of anything iron related. The only thing that can stop this is pure mass and thickness. I´d heat the joints with a blowtorch, and whack them once, soon as they are orange red. (coming from someone working with hardened steel on a daily basis)

    1. That made me feel wonderful the first of many times during this ongoing project. A few days later I received a call from another volunteer who simply wanted to thank me for getting involved and offering my services. I told her that I could help out in many ways, both with aditvistramine tasks and website tasks. Well, it just so happens that the current Webmaster was overloaded with the site (along with other aspects of his life) and they were having problems finding someone to help him.

  4. Seems to me a simple solution that allows for easy use for the customer and protect that pin. They just needed to shape the end of the lock that goes in the hole, so that while it's locked in place, it shields the opening so you can't easily shim it.
    if you had a welder, could probably weld something to the end of the shackle and fix it yourself.

  5. Bill all you need from the looks of it out in public would be a propane torch and a piece of sharp pointed tin,  Not that id ever do it but that exploit is nearly as fast as the key with a torch and a pointy piece of metal,  The links look more like miniature ball joints covered by frost caps,  I went with a  torch because a miniature mechanics one would be easily concealed including the burn,  Id never lock anything I cared about up with this lock

  6. use a triangle wedge close to the point where it hinges, then stomp on it to see if the wedge will separate the hinge. (Instead of trying to knock it out with a punch)

  7. Could you try a bolt cutter on the links? If they're case hardened, I'm thinking they may crack and then the rest will be soft enough to cut.

  8. Wait until Japanese guy walks up to motorcycle. Pull out handgun and gesture for him to unlock his gear. Hand guns are banned in Japan so you win every time.

  9. wouldnt the lock be more fail safe by thickening the area where he slid the pick in so after the plastic came off you couldnt shim it? id like to see bill shim it before the plastic came off to try and prove my point. maybe if they put a thick rim of metal on each side of the chain ends you wouldnt be able to get the shim in even when the plastic was removed. not sure why they didnt think of it.

  10. you said that they require people to return the locks and replace them every year, could this perhaps be a (very) old iteration of the lock?.. The shimmy vulnerability seems kinda stupid weakness for what appears to be otherwise a pretty decent lock.

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