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Stepladder
Nick Maclaren wrote:
You're missing the point. For a given leg separation, the distance from the centre (at ground level) to the closest point outside the triangle is much less than it is for the quadrilateral. Therefore, the ladder will fall over for a much lower imbalance in the weight or sideways force. Isn't the whole point that the design under consideration doesn't have the same leg separation as a conventional ladder. For instance, the 3 m ladder is 1.45 m wide at the base. https://www.niwaki.com/store/niwaki-tripod-ladder/ Chris -- Chris J Dixon Nottingham UK Plant amazing Acers. |
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