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  1. Mark_B.

    DMM Impact Blocks

    Umm, Norm, I'd have to pass on that. If I had to guess I'd say something like 1kg for the small one and 2kg for the big one. But don't hold me to that.
  2. Mark_B.

    DMM Impact Blocks

    cbugg, we're working on the Hub Guide, we'll keep you posted.
  3. Mark_B.

    DMM Impact Blocks

    In this image, the three systems are being used to position a floating anchor, the haul bag is simulating the load, which could be a climber on an independent climbing system. Or a load you're rigging.... the possibilities are endless!
  4. Mark_B.

    DMM Impact Blocks

    Actually, you can, they've been tested in both orientations! You can rig them horizontally and they're still fully load bearing. Again, sorry for the low quality...
  5. Mark_B.

    DMM Impact Blocks

    Derail, sorry...
  6. Mark_B.

    DMM Impact Blocks

    ... and yes, that's fully load bearing!
  7. Mark_B.

    DMM Impact Blocks

    And while we're on the matter... Rigging Hubs? Ever wonder what to do with them? Well, last week I was in Cumbria for the Lyon Technical Symposium with Chris and Rich Allmond. We came up with a seasonal use you might put your Rigging Hubs to work with. All you need is four candles, some...
  8. Mark_B.

    DMM Impact Blocks

    Nope, can't really think of a reason why it should...
  9. Mark_B.

    DMM Impact Blocks

    Quality's not great, sorry... In this example you might be holding the block in place with a second line, creating a freely positionable floating anchor.
  10. Mark_B.

    DMM Impact Blocks

    Mind you, the "sexiness" does have a functional aspect too. The fact that the body of the blocks is curved allows them to roll on the stem rather than slam around onto the flat surfaces... Also the fact that they are hot forged allows the edges to be made rounded and super-rope friendly. The...
  11. Mark_B.

    DMM Impact Blocks

    And the block didn't break then, there was merely deformation on the top anchor pin. I was well impressed!
  12. Mark_B.

    DMM Impact Blocks

    Kevin, unscientific? This was not about science, it was about background info and about field testing them in a realistic environment. We spent three days dropping that 100kg test mass into the two Impact Blocks. Then the same blocks were tested at 20'000 cycles at working load limit (40kN...
  13. Mark_B.

    Tree Motion Bridge

    Sam, it's ok to remove the red whipping twine. The reason manufacturer puts it there in the first place is that in case of an issue with the stopper knots on the bridge they would be able to prove that the end user had tied the knot if the whipping twine were missing. But of course the...
  14. Mark_B.

    women with no competition

    Höllenreich, I've been mulling over whether to respond to this or not. Probably I shouldn't rise to the bait... but yes, your response has annoyed me. I've been watching the development of the womens' comp at ITCC and other event here in Europe for the past 11 years. I was thinking back to...
  15. Mark_B.

    SRT either/or FL at comps

    As in industrial rope access, i.e. a parallel backed-up system (chest ascender, hand ascender, foot ascender and ASAP for instance)
  16. Mark_B.

    SRT either/or FL at comps

    Yes, climber is belayed, regardless of technique used. The idea was to showcase the format. Where it goes from here is another question and is something that will have to be discussed further.
  17. Mark_B.

    SRT either/or FL at comps

    At ETCC we actually demoed a possible evolution of the footlock event. The concept is that time starts when the climber steps out of a circle, installs his or her system of choice on two singled lines (to be used double or single), climbs up, hits the bell (set at 15m) and converts to descent...
  18. Mark_B.

    ETCC Prague Results

    Women's and men's Masters' Challenge results
  19. Mark_B.

    ETCC Prague Results

    Here you go... Prelim results attached
  20. Mark_B.

    ETCC Prague Results

    I'll try to get my hands on them...

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