Originally Posted by alanbikehouston
If the "cut" lock was sitting on a workbench, I'd guess you could rotate the shackle, and open up the "gap" between the two sections. But, if the interior of the shackle was filled by the rear wheel and a beefy locking post, it would not be possible to rotate the shackle enough to pull the bike through a single "cut".
Without it being on a workbench or in a bench vise, a prybar will introduce enough play into the system to slip a frame tube out from that cut. It looks like someone hacked a section of the shackle with a sawzall. While a grinder or disc cutter would take a long time, an industrial sawzall with the right blade could do that kind of damage in under a minute.
Originally Posted by alanbikehouston
When "Cycling Plus" used power tools to open the Kryptonite New York lock, the editors pointed out that the New York Lock has dual locking bolts. The shackle is not going to open unless BOTH legs are cut. With power tools, and new cutting discs, cutting both legs is a very time consuming task.
Again, industrial sawzall. You wouldn't believe some of the things I've managed to slice like butter when using one in our shop.
Originally Posted by alanbikehouston
There are some odd things about the photo shown in this thread. If a single cut was made, using a power cutting disk, I'd expect the cut to be very thin, around 1/16th of an inch wide. Bright, shiny metal.
Instead, there is a cut of about 1/2 inch wide, badly corroded. The size of the cut is consistent with the shackle being cut twice, with each cut being located about 1/2 inch from the other. The corrosion is consistent with the cut being made several weeks or months before the photo was taken. Odd.
Not odd at all. The corrosion is consistent with about 24 hours exposure for unprotected steel. The scratch patterns are equivalent to the standard marks a reciprocating cutter makes. Additionally, the flattened protective casing on one side, and non-directionally frayed opposite side leads me to believe that a rotary cutting tool was not used.