Dyneema hownot2 What you might not know, however, is that that company, DSM, wasn’t in the business of technical fabrics when the material was invented. Also, try to make your anchor efficient and We tested the Garda Hitch or Alpine Clutch since there are many things online that didn’t agree. Marlow Dyneema®: Seriously strong. V threads are used by canyoneers, cavers, and climbers as a low profile, lightweight and easily replaceable anchor. Check out Hownot2 for Marlow’s Dyneema® ropes. Want to know just how strong? hownot_2 has put our ropes to the test with the eye to eye splice in 4mm SK78 Marlow Dyneema® breaking at 17-18kN. Chart of results is at the end of the video 馃憠 Learn and SHOP at https://www. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 Jul 2, 2024 路 My friend Ryan Jenks, founder of the YouTube channel HowNOT2 did some very interesting testing comparing “tech” cord (Sterling VT-X) with a Dyneema core, to standard nylon cord. Ultra-lightweight – Only 4 grams! No more frayed ropes – Say goodbye to hooks that damage your gear Magnetic threading – Quick and effortless V-thread setup Versatile – Works with rope, cord, or slings (5mm-9. Dyneema is ideal for many purposes because of its high strength to weight ratio, and the fact that it does not stretch. 64K subscribers The Ultralight Fire Kit: Seek Outside Dyneema wallet and Black Beard Fire Kit Born from a commitment to American craftsmanship and relentless performance, this kit unites two industry-leading brands into one indispensable package. The original sling on the cam in the photo looks to be in very good condition, even ignoring it's age, so unless you know they've been stored badly then the original sling is probably ok IMO. Dec 11, 2023 路 Dyneema is actually a proprietary material, meaning there’s only one company in the world that has the rights to manufacture it. The rest of Marlows stuff Neat method of creating a soft shackle in hollow-braid rope. to/38rsNoA pulled normal, sliding x and with limiter knots. They rethreaded it with 4mm Marlow max sk99 and the dyneema broke at 16kn and in tension broke at 11kn. Bolting for Caving “It’s fun to play in the dark, but use the proper protection!” The Bolting Bible This is free resource by HowNOT2 and our way of contributing to the community. The 10 mm x 60 cm Dyneema® slings are light, strong and thin making them the perfect choice for long routes where we need the variable length, but not the extra weight or bulk. Compared to nylon, Dyneema® maintains a higher breaking strength when wet and its natural hydrophobic pr Sewn loops of 10. 1K contact@hownot2. Dyneema® fiber floats on water and is extremely The quad anchor, first mentioned (I think) around 2006 by John Long in his book “ Climbing Anchors ”, was an attempt to have the Holy Grail in anchors. So I use my body to see what it feels like when shock loading a Mammut dyneema climbing sling. One of its common usages is in chafe protectors for other rope types - also in cut and abrasion resistant gloves. We rubbed it on a rock a whole bunch and it’s fascinating the dyneema survived and the technora completely failed. 00 Check out the YouTube channel hownot2 for their incredible back-log of breaking tests, including soft shackles - for empirical testing and results of the strength losses. Your V threads Hiring at https://hownot2. High-strength Dyneema® core keeps weight to a minimum while the Polyester sheath provides abrasion resistance for the core and improved grip. The 120 and 240 cm lengths are long enough to be equalized in anchors and the 60 cm is the right length for tripling as extendable Super light 8 mm Dyneema® sling—perfect for threads. The Expresso is the first double lanyard designed to lighten your climbing equipment and help you to rappel down thanks to the addition of a sewn-in Dyneema rappel loop. It is up to 15 times stronger than quality steel and up to 40 percent stronger than aramid fibers, both on weight for weight basis. 5K 218K views 11 months ago 1 product Remember all those dyneema splicing videos I made in the past? We’re going to be carrying all the options and testing all the things and I’m pretty excited about it. In fact, they were actually entrenched in the coal mining and Aug 31, 2022 路 Bobby and John broke some cave anchors. United States (USD $) Country Technora is heat and cut resistant. CT's dyneema broke at 14kn without affecting the circle anchor. 5mm Dyneema doesn't hold knots well. Here's how to tie it. He’s using a standard sewn 8 mm Dyneema sling, rated with an MBS of 22 kN. The DYN 8 sling can also be used for “alpine draws”. contact@hownot2. Apr 3, 2025 路 My friend Ryan Jenks, the mad scientist gear-breaking genius behind the great YouTube channel HowNOT2, did some break testing on this. com/careersPetzl pulse 8mm is a small, lightweight removable bolt that cavers think is awesome for leading on aid to vertically acc Jun 7, 2023 路 SWAMP (shelf without a master point) is a climbing anchor that is sorta strong enough, kinda redundant and simple enough if you are just working with 2 bolts Invented and manufactured by DSM Dyneema, Dyneema®, the world’s strongest fiberTM is a versatile, low-weight, high-strength High Modulus Polyethylene fiber. Here are Youtube screenshots of the results of three different break tests. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 contact@hownot2. to/39RfxwZ) rated for 22kn. The rest of Marlows stuff Aug 26, 2025 路 Were we concerned about the wrong thing? Instead of breaking at the back of the V thread, the 5mm Dyneema cord broke at the carabiner at 20. Discover our construction process to see exactly how Dyneema® Composite Hybrids deliver strength, stability, and versatility for a wide range of applications. O-Sling BIO-DYN 8 mmThis sling is suitable for mountain ascents, saving both weight and volume. Jul 17, 2025 路 In reply to duncanbutler: I was under the impression that a waters knot is not sufficient for dyneema because it's so slippery. https://hownot2. The infinity belay loop is becoming pretty commonplace now! I remember first seeing it on a Blue Ice harness, but now my Edelrid harness has one, plus the BD ones that you mention. Monster Slings exhibit excellent mechanical properties including high tensile strength and excellent abrasion resistance. There are concerns that the bottom of the V will damage the cord. Jul 6, 2025 路 Still, I'd love HowNot2 to cut one of these open to measure the sheath width and see how sheath damage affects the strength. So I would be fine using it for an anchor, but I'd want a loop cordalette (not bunny ear) tied with a triple fishermans to make sure the knots didn't pull out. Dyneema® offers maximum strength combined with minimum weight. Metolius Monster slings are custom blend of nylon and dyneema yielding an incredible strength-to-weight ratio. We will communicate clearly during the process. Do you think 2 climbing slings in a sliding X is a better solution to anchors??? -with Jul 2, 2024 路 My friend Ryan Jenks, founder of the YouTube channel HowNOT2 did some very interesting testing comparing “tech” cord (Sterling VT-X) with a Dyneema core, to standard nylon cord. If I have slack in my sling and fall on it, then it Zpacks Offers the Best Lightweight Backpacking Gear: The Ultralight Z-line Dyneema cord is composed of a white Dyneema core with a braided polyester sheath. Dyneema® Composite Hybrids combine the strength of Dyneema® with the attributes of a non-Dyneema® face fabric – hence the name “hybrid”. Certified EN 1891: Type B 10 mm: Carefully engineered kernmantle construction makes for a static work line with a small b View products @HowNOT2 People are worried about this part Dyneema Sling vs Belay Loop 407 Dislike 35 By the Foot If you want a different rope that we do not currently sell by the foot, send us an email at contact@hownot2. I girth hitch slings to my belay loop often. The thin profile makes them extremely compact for carrying and the hydrophobic properties of Dyneema® means they will not absorb moisture or become weaker when wet. Whether you're threading big icicles, or extending pro on a wandering trad pitch, the Rabbit Runner is the full-strength sling you want. The unique properties of Dyneema® also make them particularly well-suited for wet conditions common with alpine terrain. So we built an expensive machine for the last few months to see if they are right. We also be The HowNOT2 Fid Splicing Tool is an accessory for rope enthusiasts, arborists, craftsmen, climbers, professionals, sailors, and recreationalists seeking to make rope splicing simple. com/. 89kN. The rest of Marlows stuff Spain trip and gear giveaway ends March 17th. 0 dyneema climbing slings found at https://amzn. Longer versions have found various uses such as holding coils of rope. He does three wraps with 1/8" Amsteel and we break it afterwards with The largest in stock selection of rope & rope hardware in North America Home Brand HowNot2 HowNot2 Accessories AWAH Adjustable Tool Leash We do not stock this but can easily get it from the manufacturer and we order from them weekly. It is ultra-light and ideally suited for footcords and making secondary anchor points. Aug 5, 2025 路 We didn’t see that in our test when the carabiner cut the 5mm Dyneema cord at full strength in a loop at 18. Are you looking to practice your knot tying skills? We think it is best to practice tying knots with rope you would actually use while climbing. Designed for the minimalist, weight-conscious adventurer, and the prepared individual, it provides absolute gear security and the most reliable fire-starting system Other wear components include the rope edge rollers and bearings, which require the device to be returned to HowNOT2 for service. D12 Soft Shackle Pair From $28. These are slightly stronger in camming mode without adding any additional weight and realize the unique benefits of Dyneema®. Over the years, the fiber has proven its value in many market segments, including life protection, aviation, marine, offshore, fishing, sports, cut protection and medical. Oct 9, 2023 路 HowNot2 (~7m ago) also tested knots in amsteel (braided dyneema rope) with similarly dramatic (>60%) strength loss. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 We are committed to making our website accessible to everyone, including people with disabilities. 7 is pretty normal for 5. Search "compound bow" @HowNOT2 Frictionless hitch with 3mm dyneema vs a knot 1K Dislike Oct 1, 2020 路 How strong a ring loaded bowline in Dyneema?! Double loop bowline in Dyneema sling being ring loaded, breaks around 20 kN. I learned contact@hownot2. They just added Totem to their offerings a few weeks ago. com AmSteel-Blue is a lightweight Dyneema rope with unmatched strength, abrasion, and cut resistance—ideal for winch lines, towing, and rigging. D12 Soft Shackle Pair From $28. Your choice obviously. ) PilgrimsTravelLight 3. #climbing #breaktest #science My friend Ryan Jenks, founder of the YouTube channel HowNOT2 did some very interesting testing comparing “tech” cord (Sterling VT-X) with a Dyneema core, to standard nylon cord. And the manufacturers of that kind of rope do generally warn against knots -- splicing is the only recommended technique, because it doesn't weaken the rope nearly as much. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 We tested belay loops because there is gear fear about how safe they are after Todd Skinner's broke in 2006 during a rappel, costing him his life. Dyneema has a low melting point. It attaches to the harness via a girth hitch and can be used as a single lanyard to anchor yourself while sport climbing or as a double lanyard when multi-pitch climbing. Featuring two different size sewn pockets, the 110cm long Rabbit is ultra-versatile, with one tight pocket (26mm) designed to hold a carabiner steady and one that's open (72mm), all Alex Sardo donated Dynaloops from Beal Climbing (https://amzn. 99Black Red David Lienbenberg (@jumbosailing) does professional #sailing and shows us how to make an Amsteel loop with a chafe cover. Splicing UHMWPE (Dyneema, Spectra, Amsteel, etc. We have the best prices on Marlow’s dyneema and splicing needles at https://hownot2. Price Match HowNOT2 LLC contact@hownot2. You are ordering more than we have in stock. This kit includes the Pro-Knot Outdoor Knot Card set (23 Knots on 6 waterproof cards), and around 6-10 feet of 7-10 mm rope to practice with. Send without friends: Lead Rope Solo HowNOT2 327K subscribers 3. . The image of a sling straight vs doubled vs girth hitched and it's relative strengths float around and is taken as doctrine. Bobby Hutton tested these as personal anchors, attached to a harne 10. Crafted to make the art of splicing woven Dyneema an easy yet efficient way to join ropes. This pro • A lightweight quickdraw designed for big routes• Equipped with two hyperlight, full-size Photon Wire carabiners• 11 mm Dyneema® dogbones feature the Karstop Evo carabiner retainer on the rope end• Available in 11, 12, and 18 cm lengthsThe Photon Wire Express KS Dyneema® is different from other lightweight quickdraws D12 Soft Shackle Pair From $28. Turnaround is pretty quick, and prices are comparable. The Dyneema® fibers also lower the amount of water absorption, making them ideal We tested Mammut 8. . DSM is the inventor and manufacturer of Ultra High Molecular Weight PolyEthylene (UHMwPE) fiber branded as Dyneema®, the world’s strongest fiberTM. Bio-Based Dyneema® is made of fibers sourced exclusively in accordance with strict standards of circular economy. We are always wanting to test small sections of rope, so if it works for us we'll make it happen! **Some of the ropes we sell by the foot are regular climbing rope that we cut down to size per order. BD 18mm nylon Bobby shows his favorite ways to build a top rope anchor on 2 bolts. It's nice to understand what you are clipping and trusting with your life, even if you never plan on installing or removing bolts. 3 days ago 路 Super light 8 mm Dyneema® sling—perfect for threads. com. This data and video will be added Other wear components include the rope edge rollers and bearings, which require the device to be returned to HowNOT2 for service. #marlowropes#highperformance#sailingwithdyneema Trond Danielsen and 562 others 蟀嵏 563 蟀う 18 Last viewed on: Nov Mar 6, 2024 路 We tested some sketchy webbing anchors and talked about how awesome microplastic is to have in our waterways. Remember all those dyneema splicing videos I made in the past? We’re going to be carrying all the options and testing all the things and I’m pretty excited about it. We are investing in the machinery to service these for our customers. Lightweight and low profile, they are ideal for building anchors and for use as extendable quickdraws. So we tested it. A rope shackle offers a strong lightweight alternative to a metal shackle. Its also fascinating it broke in the knot when we pull tested it. Dyneema was discovered completely by accident back in 1968. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 How do you climb by yourself SAFELY??? HowNOT2 324K subscribers Subscribed 3. Sep 9, 2025 路 Ocun’s 8mm BioDyneema sling can cut through a Petzl Corax’s belay loop at 11. 5mm Express Dyneema Runner From $12. com/spain Modern multi-pitch climbing tactics with Brent Barghahn—using the "fix and follow" method more Nov 22, 2025 路 Tie-in point with Dyneema® wear indicator, which reveals internal red threads in case of increased abrasion 20 mm Slide Block buckle on the waist belt can be fully opened for a comfortable and secure harness fit 654 Likes, TikTok video from hownot2 (@hownot_2): “Discover the breaking point of 4mm SK78 Marlow Dyneema in our splice test. The rest of Marlows stuff contact@hownot2. This rope sheath is 50/50. If you experience any difficulty using our site, please contact us. If you want a different rope that we do not currently sell by the foot, send us an email at contact@hownot2. Filmed with Bobby Hutton, Russell Travis ( / alpenglowgearco , Robbee Pitts in January 2020. 8K They have 7 or 8 colors of dyneema and nylon to handle almost anything on the market. 86kN in a slow pull test. A belay loop usually breaks around 15 kN, so think about that for a moment . Rope splicing is the best way to integrate aesthetics with strength. We wouldn't want a reliable, low impact, 2 bol Mar 30, 2017 路 Dyneema is more abrasion resistant than high carbon steel. What’s cool about the quad? Good load distribution Minimal extension Fully redundant Quick to set up and break down, no knots to untie Super strong (would you believe 40 kN?!) Bonus, two independent and load distributed master points Oct 26, 2025 路 These are light and durable slings made from 13mm UHMWPE Monster Sling webbing. They tested the Climbing Technology's Soft Anchors and also | Videos | Gan Jing World - Technology for Humanity | Video & Movie Streaming Tying a button knot soft shackle WITH break tests - for slacklining and highlining HowNOT2 342K subscribers Subscribed 3. 4 things to consider: Is your anchor - Strong, Solid, Secure and Redundant. As a Jun 7, 2024 路 The quad anchor rig offers fast set up, great strength, good load distribution and complete redundancy, all in a light, compact package. Very close to full strength of a loop. We are continuously working to improve accessibility. com1065 12th Ave NW, Suite E7, Issaquah, Washington 98027 We tested some other devices on ropes after putting out • Petzl said to NEVER do this a few days ago about micro traxions and having requests for other devices. We also tested new vs old and found dyneema doesn't hold up well! Also limiter knots, when broken from force, break in the knot and the whole thing unravels so it isn't redundant. Raw material used for its manufacturing is by-product f By popular demand, the most popular Tricam sizes are also available with Dyneema® slings. From HowNot2 (about 6:30 in the video). Shop the best prices on dyneema and splicing needles! We built a full quad anchor out of 6mm accessory cord that is only 6kn strong and we're getting 32kn. 5 mm Dyneema® webbing available in 4 lengths: 30, 60, 120 and 240 cm. The rope included will vary by wh The problem is 13. Eye to eye splice in 4mm sk78 Marlow dyneema broke at 17-18kN. 5mm Dyneema, but 5. hownot2. 5mm) Strong - 3kN Dyneema cord Benjamin Schuldt donated some 60cm mammut contact slings made out of dyneema, which is very slippery so when one side breaks of a leg of a climbing anchor when a girth hitch or clove hitch is used Dyneema gets stronger results when pulled slowly they say. Do you have to girth hitch the 2 carabiners together? Do y 9 mm: Manufactured to meet the demands of work and rescue professionals, the 9 mm SafetyPro has a balanced construction and is ideal for rappel and tag lines, anchor systems or light rescue loads. 96kN. Innovative sling made from our award-winning Tech Web material. 100% dyneema accessory cord, especially well suited for caving and spelunking. A must in every spelunker's bag! Be aware that its melting point is 145°C (293°F), and shouldn't be used for Prusik type self-locking hitches. Learn all about it here. vpdi cuigl nrtfdk jvvbd ludeavb iaxcqhb zcsz uxygq irrjyp mdlm pzgc wsu hjyqs wvuavyli rrt