Also the whole thing is made of something like boron steel. A disc cutter is going to find it hard work on the lock too.
It's an Ingersoll padlock, as in the second smaller photo on this page:http://emorlands.com/ingersollpadlock.htmlAs you'll see the key has got notches down both sides which are gripped on both sides by the springy bits inside the lock. Just tapping the lock with a hammer or poking it with a bent paperclip isn't going to do very much.Also the whole thing is made of something like boron steel. A disc cutter is going to find it hard work on the lock too.I have no idea what the management committee is going to do now. Someone went to look at the problem yesterday and I think a return visit is planned this coming weekend...Incidentally, the Courtesan formation mentioned above is a couple of hours travel in from the entrance, with lots of massive and small passages in between, and won't be affected by draughts in the entrance series. For those of you that have not seen it, take a look at the photo top left in the montage here.http://dev.chelseaspelaeo.org/about.htmStuart FranceCambrian Caving Council
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