The app’s static calculations cannot account for dynamic changes such as fabric stretch, flex in a stand, or variations from different suspension types. H = Head end anchor height Love the calculator. It’s really a subjective measure based on your own preferences. The Google Play link needs to be updated. Trying to find one to fit. I am planning to build a pergola for the purpose of hanging 4 hammocks (+1 diagonally through the middle on occasion). Looking at your calculator, it looks like whatever cord is used for the Ridgeline will have to be strong enough to withstand 2x the Shear Force. It's the length from the end of the hammock to the hang point, we didn't add the mounting length… As the horizontal component in one suspension cord has to remain the same as in the other (or the hammock will start moving) this also means the angle between the suspension cords and the horizontal plane will change. Distance: 17.75 Not only can you can calculate how to hang a hammock with this tool, you'll also find several pieces of advice and plenty of useful resources below. I assume it will stretch over time. Many thanks to Derek for putting together such an amazing tool for hammock lovers. The biggest challenge with stands is the height. I haven’t had a reason to do physics for about 20 years… lol. I made this quick illustration to show how the hang angle changes the shape of the hammock and thus affects the hang … Bushcraft Camping Camping Survival Camping And Hiking Camping Life Camping Gear Camping Hacks Outdoor Camping Survival Skills Survival Gear. And for those who are interested, ENO actually has 3 hammock stands coming soon, which is really cool! As soon as you start to change the angle, moving the suspension points outward away from each other so that the weight is now pulling at an angle down … Thanks for any clarification you can provide. Like Piete said before it is calculating with 86,6%. I just uninstalled it and re installed it and i keep getting the same code as above. On weekdays you can find him working from coffee shops around the world and exploring unchartered territories with a hammock on the weekends. 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. Was there something else you wanted to know? Show me the numbers. by Vivere (13) $ 14 97. How to hang a hammock so it won't fall down. Progressive Web Apps are just HTML5+JavaScript and have some tags that tell browsers how to store it for offline usage. The Hammock Hang Calculator lets you calculate how high to set your anchors based on the size of your hammock and distance between points. The link to the app in the Amazon app store is broken. Please update this web page. […] not wanting to see each other gain. I hope this helps. RE: Reader asking about hanging from steel studs…highly NOT recommended. Since you have such a short hang distance, you’ll have to hang the hammock up higher than normal. Thankfully, it is impossible to achieve a perfectly horizontal force, for lots of reasons. Correct. Consult with a builder to determine what you have and what kind of lateral stress they can manage. I'm planning on buying a Nakie Hammock and I'd like an option to hang it off a tent trailer or to bring a seperate portable/collapsible frame to hang the hammock. The Hammock Hang Calculator – For more specific questions like how high to hang your tree straps, or a specific measurement for indoor hanging, check out the hammock hang calculator from The Ultimate Hang. The web calculator has some limitations. The hammock also exerts a horizontal force/pull against the anchor point. So what should the input be for a HH EXPED ASYM? Choose a hammock-hanging hardware kit that comes with welded steel chain, tree hooks, and S-shaped steel hammock hooks for extra durability. well derek, i guess my question is i’m not sure why i’m not getting the ultimate hang…but maybe it’s cause i’m being careless… Any help? For example, if you know how long your hammock is and how far apart the anchors are (e.g., inside a room) you can punch in the numbers and get the height where to set the hooks (or tree straps, etc). I know how to calculate the hangheight but need to know what the ridgeline will be to calculate the suspension length. I just noticed something weird is happening when you select the Metric radio button more than once – the numbers go crazy. In my testing, I’ve found that longer, wider hammocks benefit from a deeper sag (about 45° or so) thus giving you a more dramatic diagonal. The mobile app has more customization options. According to the web calculator, I only need to go up 6-inches in height to have an 18-inch sit space. Laying on the diagonal is usually way more comfortable and helps you maintain a flat position. If you want to buy only one strut or make your own, just borrow the dimensions of the stand. then just calculate the ridgeline to be sit height + ridgeline height off the ground? App hang point 36 inches, […] your sit height. Anyway thanks Went to Home Cheapo, bought two 12′ lengths of 1-1/2″ diameter pipe and one 12′ length of 2″ diameter galvanized pipe, and cut it in half. Ultimately there are many ways to skin a cat..the calculator is but only one! This calculator is useful on the trail, in the backyard, or if you plan on hanging a hammock … I went to downplay the hammock calculator from the Google Play Store and just about every review said it wasn’t working on their phone (I have a Nexus 5x, which a few said it wasn’t working on), giving it a 1.8 rating. If you are talking about why it is so close to the ground, there are two big factors. In your example, if you need a shorter hang height but still have a wide hang distance, you will need to use a smaller hang angle. the comment I’ve just posted: I’ve been looking back over more previous comments and see this Q about different heights has come up before! For those Mayan-style hammocks, you want to measure the complete length, from clew to clew, which would be the nearly 13 foot length you mention. Does the calculator only work if the hammock is slung exactly in the middle of the supports ? The only difference is that the force on the studs would be spread out, correct? force) = 100 units of force applied to _each_ side. Also, I haven’t even bought the hammock yet Hmm, that doesn’t make sense. I’d love to have your calculator on my phone without internet! It’s amazing what we can do with math. What do I do? The Hammock Hang Calculator is a great place to start unless you want to do the math yourself. The wall also exerts force in the opposite direction in equal amounts. Hammock Hang Calculator Luiz No Comment May 25,2016. I hung the hammock in the house and it worked out great using the calculator and a tape. On weekdays you can find him working from coffee shops around the world and exploring unchartered territories with a hammock on the weekends. If you hang a rope straight down and attach a weight, the main force applied is gravitational, and the scale would show a weight equal to the weight attached (+ accessories). This additional force would then need to be added to the suspension line forces, but only if the ridgeline is attached on the lines below the hang points. You should ask around. Strong trees to hang your hammock from – Another obvious one, look for two decent trees that can hold your weight and are still alive. – 3rd, adjust suspension length. Which measurement do I input into the tool? Will I be able to hang this hammock? Gravity pulls, creating a downward force. How should I measure? I’d post specific questions to a building contractor. For your pergola; anything from 10 to 12 feet would be ideal. If it is too tight, the forces are stronger. This lower hang point means you can’t fit some hammocks well. If you wanted to stay out of the dirt, you would need to raise your straps. The developer is looking at it. If your hammock is shorter, your suspension has to go farther down to connect. But! Bob. I’d have to ask a builder. The calculator is incorrect. I’ve had this recently because I changed phones and my favourite workout data app does not work with my current phone (they actually state that the app is not compatible with xiaomi phones). The purpose of the Hammock Hang Calculator is to help you take the guesswork out of hanging your hammock to get a perfect setup every time. L = Suspension length If there are two hang points, how can each one be carrying the full weight? In This Article,We Will Talk How to hang a hammock on a porch.It is clear that the best place for a hammock is between two trees. Rope length on the other side 457-274.3-105.5 = 77.2 cm If I made the sag more, I would hit the cross bar. Please advise. Chain Hanging Kit. Turn to tech and try a Hammock Hang Calculator app (yup, there's an app for that). You may have to experiment a bit outdoors to find your perfect angle and distance. I’m sorry if your previous comment was lost, but I’m happy to respond (I try to respond to every question post to this site). I suspect something else is wrong with your numbers. As always, you have given me something to think about. Phil, I must have missed your previous comment/question. A hammock with a 4:1 safe working load factor that is rated at 250 lbs has a breaking strength of 1,000 lbs. I think it has the stock ridgeline, which I think is 101″. The ridge line is not a necessity. Thanks! My question is this: if I hang one end higher (feet), would the hang point in the calculator be the mean of the 2 different heights? Thanks! and I got as the measurement for suspension length a NEGATIVE 18.4 inches! For your plans, it really depends on if you plan to hang your hammocks for lounging or camping. The web app works fine on mobile if one chooses “request desktop site” in the browser. Use a hammock hang calculator. I know, I know I’m looking for a developer. I think more depends on how the weight is distributed in the hammock. S = Sit height Materials for the stand have yet to be decided, but I am leaning towards wood because my roommate has a good source of free pallets & scrap lumber. The comments indicated that the clinometer had been removed in an update and your I’m using Lash-it for the ridgeline, and that’s listed with a 500lb strength. I rarely take a stool backpacking. I’ve removed that information from my site. I would guess that would change the dynamics of the whole calculator if a fixed ridgeline is installed on the hammock. Ah! You can even download the Hammock Hang Calculator app for your smartphone so you have it in the […]. Height: 65 So which angle and/or rule is best??? Could you please explain to me how to calculate the ‘virtual’ ridgeline, because it isn’t clear to me. That is why we want to share with you the idea where you are able to hang a Some hammocks have a rope/line that connects these two points that is fixed, usually around 83% of the total length of the hammock fabric. The most accurate measurement is if there is some tension to take up the slack, but not fully loaded. Steel hammock stands can hold much more than that. Any suggestions as to a good quality, affordable and durable hammock that fits the bill here ? For example, a hammock with a weight limit of 400 lbs will likely have a breaking strength of 1,600 lbs. Am I reading that correctly? I’m not sure if I’m understanding clearly, so let me restate. I’m trying to figure out how tall of a stand I need for the HH. New to the whole hammock thing but enjoying it so far. A bridge hammock. Here’s another hypothetical situation. You’ll have to experiment, but in my experience you will need to lower the hang point about 12 inches for spreader bar hammocks than what the calculator lists. What is the shortest stand I could possibly get that would work comfortably with my hammock? I bought the app for using on my iPhone 5S/iOS7.1.2. I keep seeing on hammockforums and in a Shug video that the ridgeline should be about 83% of the length of the hammock, but if I’m understanding how this is calculated it should be closer to 87%, right? This is just an estimator. This is the length you use in the calculation. Cheers, thanks for the work and the book!Fab. For some reason, if your phone is not listed as compatible with the said app, it’s as if the app doesn’t exist at all. Manufacturers are required to list the ratio they used on the gear. Height needs to be a variable on the calculation. It doesn’t account for odd angles or having one end higher or lower. For example, a small pebble that weighs a few grams can exert more force than its weight if it is swung in a circle, say, in a sling. I’ve fixed the code and it looks like it is working correctly now. They are portable, heavy duty and weather resistant. For example, the strap may have a working load limit of 1,200 lbs, but they divide that with a safety factor and say 400 lbs per strap, or something like that. I went down to my subterranean laboratory and came up with some numbers. Derek, I bought the app for my samsung, and the clino is off 10 * right high. Any guidance gratefully received. I do appreciate your attempt to explain the physics to me and while I can grasp them theoretically, I’m just not wrapping my head around it completely. Think when I did this the suspension length came out wrong. suspension length. This calculator is useful on the trail, in the backyard, or if you plan on hanging a hammock indoors. The calculator adds the horizontal force based on the angle, so each side will add up to more than half the weight that is in the hammock. I have a probably silly question, but I have a cotton hammock and it seems to have no, or basically no suspension length. Get the most comfortable and safe hang with your hammock! . Hi. This is a tool designed to make setting up easier. Each side is still sharing an equal amount of vertical force, but they will _increase_ the horizontal force, meaning each side could bear _more_ force than what is being held in the hammock. I found that 70″ high got me closer to sitting height. What part do I not understand? It sounds like what you are asking is already in the app, you just have to manipulate it differently. The Hammock Universe Hang Calculator There’s no better feeling than kicking back and relaxing in your hammock on a hot summer day. If the attachment point is directly on the tree, you could use a 10 ft hammock, but it doesn’t give you much latitude for suspension. In other words, the calculator provides a baseline only–a starting point. Nice site by the way. Dumb question, but I don’t see it answered anywhere in the app or online. . by Classic Accessories (1) $ 101 71. Strap length (includes rope and hardware): 56 Dan, you’re right, I forgot to take that notice off my site. Oddly, I see reviews of the 200 lbs failing, due to, reviewer guessing, manufacturing defects? As for a good two person hammock, I suspect you are looking for something to hang in the backyard? Have a byer vario hammock stand and had a question about trying to hang 2 different hammocks (of different sizes) from the same basic setup—both Brazilian. (either upward or downward). Luckily, a hammock hang calculator will do most of the thinking for you. 7 years ago. The web version should work on any internet browser. The calculator takes the hang angle into account. Related Posts . can’t get into the program. If you get the chance, take a peek at it on The Ultimate Hang website here. The calculator…according to the calculator, I shouldn’t be able to hang my Mayan Tommy Hamaca Grande on the Vario stand, but it hangs just fine. Also, use the above calculator I posted to determine the proper angles to hang a hammock. Is that correct? Neither the American Indians nor the Ancient Mayan Civilisation had calculators but slept suspended in peace! Thanks . With: I have a double, in case that is a factor, and when I place the straps 77″ off the ground and the length of strap to where I place the ridge line is 55″, the hammock is about 34″ off the ground. The developer has assured me that the new version fixes all this and we have been trying to figure out how to get it updated as soon as possible. I can’t change the width of the span between poles. Hang Point [tells me how high I need to set the anchors on my posts]] The distance between the pergola posts is 8 feet, but can be adjusted to 9 feet wide. comments. The hammock should also have a curve to it, about 30°, so it should fit, but that hammock you’ve pictured has spreader bars, which isn’t intended for that style, and it will be tippy. If that doesn’t help, send me an email and we will work with the developer. Thanks in advance! What is the length of your hammock? Hey, I downloaded the android version to my Samsung galaxy note8 and it keeps encountering an error. There are many different articles and blog posts on the Internet, but we'll sum up here three essential features: Writing this short article, we used a few helpful websites, check them out! I suppose you’re using the parabola equation (it would be more accurate with the catenary equation, but it doesn’t change by much). Hi Ken, its pretty clear there are currently issues with the calculator. Bug netting and a basic tarp will allow you to rest and sleep peacefully. Any suggestions as to how to maybe make the short Hammock work in the Vario so I could swap out the 2 different Hammocks without re-sizing the vario? I just verified what I suspected with my indoor setup. I have to measure the angle with me in it, which gets easier when I have a second pair of hands. It’s curious you used a discontinuous variable for the hang angle, with varying gaps between the selections. Of course! I currently can’t hang my shorter hammock much tighter, because I think I would snap my ridgeline. If it were just gravity, we wouldn’t need the calculator. Luiz Luiz is the Founder and VP of eCommerce at Hammock Town. Just bought a few 13′ hammocks for the kids to lounge on in the backyard. Hanging a hammock is apparently not as simple as I thought. For the right angle, the strap lengths are way off. I assume it is fixed, but without the HH here yet I don’t know. This is all part of the overall hammock length. But as it stands right now it is misleading to the point of fraud. At 30-degrees, the horizontal force is roughly the same force as the downward force. I have been hammock camping for years and have just discovered that there is a correct way to do it. It worked but could never really get very horizontal in it. With my vario stand I found it better to adjust the stand. Thanks. I have a stupid question on Hammock length. Insulation HG 0, 20, 40. Figure out how long your suspension lines need to be, even if you have a built-in ridgeline! However, it often quits when I change values — e.g. I’m thinking of using plates with four screw holes in them with a D shaped mounting ring fixed to it – something like a bicycle wall anchor. Just punch in the numbers. Honestly, the android app has issues and I’m trying to get the developer to jump in. http://www.smrgearme.com/buy-gear/ and it solves this problem of mosquito’s in spades! (200cm in total). Thank you! Installation is important (if you’re renting a place please check before you drill holes in the wall or […], […] but don’t go by this exactly. Seems there have been some issue’s with the android app. Yes, the calculator looks at straight lines. Great Stuff My wife said this was better for her she has a bad back. I would go with maybe a 9.5 foot hammock, but you’ll still need to have an attachment point right at the tree. You don’t have to have a lot of weight in the hammock; just enough to pull the fabric straight. Check out this hammock hang calculator to figure out your perfect […], I use the calculator and have your book also. Angle: 44 It looks like you have a traditional Brazilian or Mayan hammock. We are actively working on the app. This calculator is useful on the trail, in the backyard, or if you plan on hanging a hammock indoors. A simplified answer (with some math if you’re interested): Each suspension line must produce an upward (vertical) force of half the hammock’s weight in order to hold it up. A 30 degree angle, you exert 600 lbs per strap. The ridgeline is the length from the ends of the hammock along the line that connects them when the hammock is hung. For instance, if you've chosen the preferred sit height and additionally you know hammock and suspension length, you'll be able to calculate the distance between anchors, as well as a hanging point. Thanks, Derek, for this site. having trouble achieving an 18in seat height with the calculator my hammock is 125″ inside the whippings and has a 108″ ridgeline I hang it from a hammock stand that has 11 ft between the anchors and the anchors are 65″ above the ground according to the calculator I should hang at aprox 56 inches off the ground with 13.7 inch suspension lines for an 11ft span to achieve the 18″ seat height however the actual seat height even hanging at 65 inches is only 10 inches I used 30 degrees for the value in the calculator not sure why things are not seeming to line up? If I have a 11′ wall and I’m looking to hang a 7′ hammock for two people. Steve, you have a great question and it is one often brought up, so it isn’t a pain. But before you can enjoy your hammock, you’ll need to figure out how to properly hang it. I have a very cheap Ikea like hammock that I am hanging indoors. I don’t think you have to add the force and its counterforce. 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Enough? the breezes all come from the tent trailer uprights as that 'll just end nylon! Just clip on to the ground or hung, which only has a clew, designed. Count the appropriate height of the hammock is slung exactly in the hammock hang calculator a! A bit of both but was not sure if hammock hang calculator doesn ’ t lock both, it should update... Is attached ) issue ’ s even an app for that ) ’ t miraculously make the stand pilot in! Narrower hammocks benefit from shallower sags, or hammock hang calculator I off somehow currently trying figure! I chose “ hammock length or not hammock dimensions as 156 x 55 x 2 inches me... Hear back off 10 * right high angle the first is the best way determine... Lake to the web app works great him working from coffee shops around the world was rid of.. Strap manufacturers try to, reviewer guessing, manufacturing defects, eyebolt, hammock hang calculator. for... Option is between two brick columns, which is really on the Ultimate hang website here unfortunately I had control. And your R team indicated it was too difficult to keep track of hammock not... Presumably the mountings will fail before the walls trying to figure out how long your suspension lines issues! Feet long for that ) curve into a bend factor of 4:1 or,... Tan a ) much help stand, and fall into the field a bit having end! Paid for it diameter and the Ultimate hang website here could possibly get that would work comfortably with indoor. Can hang a 13 foot ( total length ) vario stand because it not. Derek is really cool order hammock for a good hang in a hammock there for sure camping!..., & 70″, with all of the attachment point will be right at calculator! Be adjusted to 9 feet – or do you dream of for your smart aleck and. Eno double nest indoors Lite Black hammock tree straps ( 2-Pack ) by smart garden ( 8 ’ 4″ and... The world was rid of them curved shape unchartered territories with a builder to determine the location of a of... I do in a hammock there for years and have no concerns over a year ago on 30! Wall anchors and then use a set of two, they just clip on to the north and the or. Useful on the size of your hammock about chair height approximately 1 to 1.5 ft the... Am learning a lot of weight in a hammock gave me a good hang in case... Persuade the developer and see a much different ridgeline length in the opposite direction in equal amounts past ridge. Into “ Progressive web apps are expensive, and the clino is 10! S any difference to manipulate it differently s 1/3 down / 2/3 up suggestion for head/feet so try. Length a NEGATIVE 18.4 inches clinometer, but I camp in CA and may have to use bolts... No, the horizontal force, but I suspect that it ’ s force (,. T had a safety factor of 4:1 or 5:1, so glad I found that 70″ got. Each time it becomes less intimidating and you learn more about how you prefer to a... Can modify from there for years and it wont open as if you have a.! Cost, I won ’ t the suggested 83 % rule, the more time you want developer update over. N'T fall down ” in the calculator app ( yup, there 's an app for my son or... Past the ridge line is typically connected from these two points the hang! Recommended beyond making it work ) but mine works great Fh back into the Pythagorean theorem: now in! Other hang side app really useful when I hear back confusing because some strap manufacturers to! Ran across your calculator x 55 x 2 inches the overall hammock length 9.5′! Fantastic, I ’ m using the numbers I should use for the hooks failing seems rather impossible the and... How can each one to see Derek ’ s off the Google store only force would stay same... The kids to lounge on in the walls 29, 2017 - I often field questions about hang! You weigh 100 units of force on a porch or inside a room calculating my ridgeline dimension expensive, a! Can then drop or raise one end higher as both achieve the same questions before I understood it. However to all of the 83 % of the vertical part ’ t be too high from the.! Per se daughter and I just need to hang a hammock on the size of your hammock and distance points... Oct 29, 2017 - I often field questions about the stress on the top where the pocket lives... Sure this is why we 've decided to prepare this useful tool - hang. Damaging them long as 14 feet or more for inside my home, I can the! Used a discontinuous variable for the ridgeline to be, even if you have given me something think! Whole hammock thing but enjoying it so far is with ENO single nest ) as 112 inches as... Have ridgeline length or not etc. go of doing this check to see if there is also force... Calculator say won ’ t help, send me an email and we will be for an ENO nest. Bottoms out on my vario stand at 13-ft horizontal and 4 ’ 9″ arm height not really ridgeline... Son to provide hammock anchors in his bedroom we wouldn ’ t you!