That was my first thought. These were great lights for weight/output, but unfortunately they have a few weak points in the design.

For various reasons, there has not been much activity in Redhouse for a few weeks. In the meantime, progress has been made elsewhere in the wider system, that will doubtless connect one day. More on that later but we're hopefully close to another big breakthrough (but certainly not one for big...

Why is it that your nose runs, but your feet smell?

For anyone who's helped a diver carry cylinders into a cave...

It's not Redhouse, but it will almost certainly connect one day...

I shouldn't advocate theft, but that sign belongs in a caving hut!

Have you ever wondered how to tell the sex of an ant? Drop it in water, if it sinks, girl ant. If it floats...

I hadn't realised he was so young 🤣

The OP said: So I assumed evening dig, not full day dig. But perhaps I should rewatch the "three Yorkshiremen" sketch. Perhaps they are just that tough in Yorkshire that 6 hours at the dig face on an evening, after working 26 hours a day down the pit and walking barefoot over the moors, is...

If it's an evening, there are usually two main limiting factors on dig duration: What time do you meet? What time does the pub shut? 2.5 - 3 hours is probably typical. Certainly no tea breaks on an evening dig! Personally, I only dig for one hour at my usual project, but that is because I am...

All in good time 😉