Using a Handle Ascender for High-rise Window Cleaning

Many window cleaners use handle ascenders, or jumars, as their rope grab while rappelling. In this video, we will perform drop tests to show why this is a bad idea.
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[@TheFillyfillyfilly]

You mentioned that 1400b is fine as long as it's on the back D-ring. Why does that make a difference. Also if you don't have a shock absorber on an ASAP, the same thing will happen (any toothed device)

[@josephthurston331]

I appreciate that video. I just had to complete a form for the insurance company and I explained that I am not one who believes it won;t happen to me. I've read the instructions on the descenders and know that they are not for fall arrest. An accident can happen to anybody anytime and when it does it happens without warning. Remember, everybody out there who has had an accident did not expect it and did not have time to avoid it. If they had they wouldn't have had the accident. Use the proper gear and clean a long life. Thx.

[@matias8260]

how to knot the rope

[@mattking3852]

What was the weight of the mass?

[@Window-cleaning-supply]

We were using a 200lb weight in this test. You can see more details here: blog.window-cleaning-supply.com/2014/10/hand-ascender-as-a-rope-grab-for-high-rise-window-cleaning/

[@mattking3852]

@@Window-cleaning-supply Ah okay thanks!