This is awesome! Amazon lists the hammock dimensions as 156 x 55 x 2 inches. Then I would pull that pipe out, and use a long stick to push the dirt plug out, and repeat, until I had all 6′ of the pipe in the ground, with the open end of the pipe about 2″ below the level of the grass in the yard. Question: Does it matter what hammock you are using when estimating hang height with the calculator? Again, if the weight is 100: 50 (50% of occupant weight) + 50 (horz. Length of the hammock only since the ridge line is typically connected from these two points. The problem is that a hammock stand has a fixed height and length. Anyway thought maybe I could make the shorter one work with the setup for the larger one. Was there something else you wanted to know? Making a progressive Web app wouldn’t be very much more than cleaning up the existing Web app to work well on mobile screens out of box. I’ll post an update when I hear back. But there is also horizontal force, based on the angle of the hang. The walls are brick on one side, and sandstone on the other. The formula for the horizontal shear is S = W / (2 tan A). Check out this handy hammock-hanging calculator that’ll help you get the right angle the first […]. if I understand it right, the only thing that would change is that I might have a non-negative suspension length with a shorter hammock. Smaller hammocks that are about 9 ft long will probably work but the attachment point will be right at the limit. The minimum hang distance between anchor points is roughly 1 foot shorter than the hammock is long. I need to check to see if there are any bugs here. When I entered these values into the calculator, it gave me a negative suspension length (-17.1 inches for the 8 foot distance and -10.1 for the 9 foot disance). Thanks again Derek for the app and for taking the time to reply to everyone. I don’t believe it had the same tensile forces, but I’ll check in to it. Hej, there is an error in the JS code of this calculator. This is why the “magic” 30-degree angle is recommended beyond making it easier to sleep on the diagonal. You’re missing this last part. I would appreciate any guidance! Nice work! I’m checking with the developer. The numbers check out. The wall also exerts force in the opposite direction in equal amounts. Its a good tool thanks. I’ll forward this to the developer. Has it been added back? Do you think this is possible? Now we are dealing with the angles from the suspension height affecting the load that is occurring from the hammock now a fixed angle with the ridgeline. Yeah, those numbers aren’t adding up. Suspension length on APP is 35.8 inches, Online Hang point 68.2 inches And sometimes, if you are not 6.5 ft tall, your reach is limited beyond 6ft. The expression for the weight force in line 172 seems to be correct but isn’t executed because of the prior error. 4 comments. The calculator is incorrect. You may not need any suspension depending on the length of the hammock. Here’s another hypothetical situation. I’m not sure. When I put in 15ft distance between anchors, Ridgeline and hammock length 100, preferred sit height 18, weight in hammock 170 lbs, thehang point says 41.1 inches. If the hardware or soft good you purchase is “safety rated” at 300 lbs, than you should be fine. Do I need to have the longer rope strung higher in the tree to still achieve a comfortable level ? […] To see Derek’s guide, CLICK HERE. You don’t have to have a lot of weight in the hammock; just enough to pull the fabric straight. You can often squeeze or stretch a hammock into places the calculator say won’t work. Derek Hansen is a lightweight backpacker, former Scoutmaster, and “hammock enthusiast” who enjoyed his first hammock hang at age 14 at a Boy Scout high adventure base. S = Sit height The other problem is that the stand flexes so the width shortens, which will also lower the sit height. Thank you for responding. I don’t think you have to add the force and its counterforce. First of, so glad I found you Youtube channel and website! Ridgeline length 274.3 cm A lot of folks inaccurately assume that the weight (say 100 lbs) is equally divided between the two sides, which is in _part_ true, but only if the suspension was hanging straight down. I am new to hammocks so been playing with the app a lot, plus I am 70 and hope a hammock will help us get back to camping this year. If you are talking about having a fixed hang point already and are using the calculator to return the other variables, than I totally agree — this is a common feature request that I have forwarded to the developer. 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