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7

The strength is dependent mainly on the angle between the two ropes form, on which the hammock is hung, and the weight you want the hammock to support. For a traditional hammock the angles of the ropes (measured to the horizontal) are about A=30° (just an estimate). Lets assume we want to design the system for a person weighing W=200lbs. Then we can derive ...


5

I've recently got into hammock camping and roping it to a tree is a bit more complicated than it first sounds so please bear with me You need something to wrap around the tree to protect it from holding your weight, these are unsurprisingly called tree straps - mine are made out of seat belt material. You need something adjustable from the tree straps to ...


4

Assuming you can avoid rope abrasion, do swings like this damage climbing ropes? Swing goes straight into a pendulum with no/limited free fall. I can't see it doing any special damage to the rope that wouldn't occur through climbing. I would make regular inspections of the rope and retire/replace equipment when necessary. The fall factors involved are ...


4

should I be untying the fisherman's knot between uses? Typically it's simply not possible to untie a fisherman's knot, especially after it's been loaded, so that wouldn't even be an option. This is actually a good reason to tie your Prusik cords with an offset overhand (EDK), because then if you ever need to untie the loop and use it for something else, ...


3

I come form a coal mining town, in the mines they call the change rooms the 'dry', because mines can be very wet places and the 'dry' is where you'd dry out your clothes. Before they started putting ventilated lockers in the drys, they used to hang their clothes on hooks under baskets that they'd raise up to the ceiling with a rope and pulley system to where ...


3

I can think of multiple options for solving this problem. Tensionless Hitch i.e. wrap the rope around the beam enough times that it doesn't slip and unwrap to lower. Loop a sling over the beam, connect the ends with a carabiner and then counterbalance the items. Tie one strand of parachute cord to the beam, and then attach the items to that strand with ...



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