Vt prusik vs hollow block Item 4 of 10. If you use 9 or 9. This specialty design features a tough, heat resistant Technora aramid sheath over durable nylon core strands. Key Benefits • 100% Technora Construction Nov 19, 2021 · Built from Sterling's RIT 900 cord, the Hollow Block 6. They are typically not sheathed and made out of heat resistant and extremely strong fibers. However, there are a range of options when it comes to prusik material and of course each has its strengths and weaknesses. Hollow Block works "OK" as a third hand for clients in commercial-guided groups, but otherwise not recommended for use in canyoneering. 5 mm in diameter Prusik or Prusik cord is a shorter loop of cord specifically used for friction knots. The core in this kernmantle design keeps the VT from flattening and binding up. The 6. The Good The Bite. A great upgrade to a simple, but necessary piece of gear. The VT prusik lets you more easily fine tune the amount of friction than a loop style autoblock. Manufactured by: BlueWater Ropes 209 Lovvorn Road Carrollton The top 3 easy friction hitches, easy to learn, good to know and extremely handy. Available in two sizes, the 7mm version is ideal for use with the smaller diameter ropes used by most canyoners, while the 8mm version is ideal for thicker ropes or Posted by u/[Deleted Account] - 13 votes and 14 comments The Prusik knot and Klemheist knot for a rappel backup are both great choices, but there are some key differences to consider. Shoelace klemheist is a great MacGyver, adequate imo as it never sees bodyweight load and even if broken would ride up and clog up the atc. 99 $ 24. GM CLIMBING 8mm (5/16in) VT Prusik Swen Eye-to-Eye Pre-Sewn Heat Resistant Friction Hitch Cord Kevlar & Polyester 30inch. Conclusion. If the rope were to break (either to the left or the right of you), the prusik would save you. Aug 17, 2019 · Meaning, a person could use a prusik or french prusik hitch for their autoblock? If that is the case in my testing the Hollowblock did not grab the Oplux at all using a french prusik no matter how many or few wraps I used. 5in is designed to function as a pre-sewn prusik or climb heist. Plus, it has a high melting point, and as you may remember from your high school science class, a byproduct of friction is heat, and heating nylon can cause glazing or even melting of the cord. Moved Permanently. This is most often used as a rappel backup, tied below the belay device or above extended with a sling. I do not use mine (VT Prusik) for anything but an autoblock while rappelling. 5mm ropes then the 8mm VT may be your choice but I know I can use a 7mm VT without fail on any diameter 8mm to 9. Click on the link here to see the revised user instructions that come with the HollowBlock. The prusik loop or prusik rapp Feb 15, 2023 · What is Prusik in Climbing? A prusik hitch is another friction hitch commonly used in rescue scenarios and as a third hand or backup in rappelling. 50+ bought in past Jun 1, 2016 · The Sterling HollowBlock is a handy tool for climbers and guides. And, while James Bond might use shoelace, Traddad uses 6mm cord or a nylon sling for his friction knots. I did not test a standard prusik hitch as I wasn't sure you should use that hitch as an autoblock. Apr 26, 2019 · At 14kN, the Hollow Block is plenty strong enough for its application, but keep in mind that regular climbing slings are tested to 22 kN, so it is not interchangeable with slings. The prusik is named after its inventor, an Austrian mountaineer named Karl Prusik. Experience in rigging and rappelling is required. Mar 14, 2023 · First, a hollow block is a type of cordage which is designed to bend really well and to maximize the surface area on the rope. . 5 mm / 5/16~1/2 inch (Dia. The overwhelming top answer for why is that it is far easier to unweight without removing after it becomes weighted compared to a more classic prusik. Made with aramid fiber and sewn with Sterling’s proprietary sewing pattern, this ultra-strong cord is designed to provide excellent griping power on climbing ropes with diameters of 7mm or larger. It's slightly thicker (making it less likely to jam in the pulley) and the eyes allow you to use an asymmetric Prusik. Unlike nylon cord, the Hollow Block is made with Aramid fibers and a hollow core, hence the name, allowing the fibers to bite on a rope 7mm or larger using a Prusik or Klemheist. 5 out of 5 stars. The testing was limited to two aramid fiber friction hitch make/models: the Bluewater VT Prusik and the Sterling RIT 900 cord (aka Hollow Block). I use a French prusik because it does not get overly tight. The prusik is a little bit more finicky to tie than the autoblock but is known to be very safe and strong. But these aren’t In this video we show how to tie a French prusik. We did a bunch I try to single line rap with a biner block most of the time (which works great) but def have double line rapped with both the hollow block and vt prussik which also functions fantastically and has become a new favorite. - If using prusiks in conditions where they might fail (e. 50 respectively. Key Benefits • 100% Technora Construction Sep 28, 2012 · Anyone out ther have information about a possible death in the Subway? Sterling Rope 6. 50 and $19. Tie friction hitches with more bite and heat resistance compared to nylon climbing cord. The VT Prusik can be utilised to tie a range of friction hitches, including: Valdotain Tresse (VT), Asymmetric Prusik (Schwabisch/Distal), French Prusik, and Symmetric Prusik. g; prusiking up a wet or icy rope), it’s better to use two different types of friction hitch (and a full strength back-up, of course). Redesigned with a stronger aramid fiber, the Sterling 6. For example, if you were traversing using an old, fixed rope rigged horizontally, you could attach a prusik to it from your harness. 2 of 3 Description. 5. This reduces stopping power but makes the rope much easier to loosen, making it ideal for stop-and-start rappels. always great to have back ups just in case any of them fail which does happen so check it before/ after each canyon Apr 29, 2023 · Origin of the Prusik. Feb 7, 2019 · What's the name of that hitch I see people usually use a hollow block with above the device on rappel? It starts by bringing the hollow block around back then both strands are brought around front on opposite sides and cross over each other like Xs about 2-3 times on the way down. It's gripping ability comes from the unique hollow-braid construction, for use as a prusik or Klemheist knot on ropes 7 mm or larger. Sterling Hollow Block Moved Permanently. and are absolute and unwavering in their "knowledge" gained from 2 years of climbing in the gym. It’s gripping ability comes from the unique hollow-braid construction, for use as a prusik or Klemheist knot on ropes 7 mm or larger. The most c The VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab or in conjunction with a Prusik minding pulley in haul systems. Visit totemrigging. Follow topic: Email Notify on site Post Reply. The best way to gain specific training in uses of the VT Prusik is by attending a workshop. Sep 6, 2017 · I typically carry one each of 6 mm and 7 mm prusik loops/VT prusik as a standard. You can buy hollow block in a length OR in a loop, typically referred to as a Prusik loop. MBS: 13 KN. The VT Prusik is a significantly better product, for only slightly more money. ) Tie various hitch knots: VT/Distel/Schwabisch/Prusik For use in SRT/DDRT climbing systems, hauling, dragging BlueWater Ropes 7mm VT Prusik Khaki SKU: 7568606. Made with aramid fiber and sewn with Sterling's proprietary sewing pattern, this ultra-strong cord is designed to provide excellent griping power on climbing ropes with diameters of 7mm or larger. The rule supposedly is that you want a friction hitch to be 3mm smaller than the diameter of rope you are trying to grab and to use 3 wraps. 50+ bought in past Redesigned with a stronger aramid fiber, the Sterling 6. Among the different backup knots, the Prusik stands out for being easy to tie yet effective. Don’t use a sling for anything except a prusik after using it once as a prusik. The hollowblock is intended to be used only as a 3rd hand, not a primary attachment, and there have been reports of it failing way below MBS, without significant visual wear, when (mis)used as a prusik for ascending ropes or following a fixed line. Ideally have a carabiner hanging about chest level for the hitches and then the friction hitches with all your supplies on a table right next to you. Overall length: 33″ For use on personal ropes 8 mm – 9. The VT is a versatile open-end prusik that can be used to tie: Symmetric Prusik; Asymmetric Prusik (Schwabisch/Distal) Valdotain Tresse; French Prusik; Specifications You will need access to both ends of a climbing rope for the knots, 2 meters of webbing, a Hollow Block, VT Prusik for the friction hitches. 99. Oct 14, 2020 · I tend to use the Prusik (what you're calling the classic Prusik) but that's because I've determined that two wraps with that knot is the proper level of friction for the rope and rappel device I climb on the most. com for usage and workshop information. May 15, 2023 · About this item . AMGA Instructor Team Member Patrick Ormond explains how to tie the auto-block, prusik and Klemheist friction hitches. Aug 11, 2017 · A prusik hitch is an invaluable tool when rock climbing, traveling across glaciers, climbing ropes, etc. € 34, The VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab or in conjunction with a Prusik minding pulley in haul systems. If you’re not familiar, the HollowBlock is a unique hollow braid sewn-prusik cord made from aramid fibers and used for backing up rappels and lowers and performing load transfers. Jun 27, 2019 · Personally, I love the Sterling Hollow Block in the 13. 4. The VT is a versatile open-end prusik that can be used to tie: Symmetric Prusik Asymmetric Prusik (Schwabisch/Distal) Valdotain Tresse French Prusik more For personal use on ropes 8 Jun 16, 2019 · Before you drop 20 bucks on a hollowblock, consider the advantages of a tech-cord prussic: Fast, precision adjustability (when tied with an overhand with half-hitch backup): The BlueWater VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab, or in conjunction with a prusik minding pulley in haul systems. The VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab, or in conjunction with a Prusik minding pulley in haul systems. 8mm Endless Prusik Loop, 15" length, 25kN /5600Lbs, made of 100% Technora for increased durability and performance, 16-strands hollow braid offering power grip to main ropes, used to tie friction hitches, including prusik knot, autoblock, Klemheist knot in mountaineering, climbing, canyoneering, caving, rope rescue, tree care by arborist, rigging aerial hammock Dec 13, 2017 · The VT Prusik seems to be the eye-loop equivalent of the hollow block, made with aramid sheath to prevent melting. Sterling hollow block. I will probably play with an actual VT prusik above my belay device, but I’m comfortable as is, so I’m not doing that soon. The Sterling Hollow Block is just that and a bit more. This research was conducted over the course of multiple testing sessions spread out over approximately 18 months. Aug 16, 2019 · You can use it as a third hand / French prusik / autoblock backup beneath your rappel device anytime you’re doing a lower or rappel (similar to a Sterling Hollow Block). Built from Sterling’s RIT 900 cord, the Hollow Block 6. Cute chicks risking their for a wine sunset despite you being an irresponsible rope-gun is just a class act on everyone's part. GM CLIMBING 6. If I'm climbing with a different rope and/or rappel device, I'll do more/fewer wraps or switch knots to get the right level of The VT Prusik is a very versatile open-end Pruisk. VT Prusik Swen Eye-to-Eye Pre-Sewn Heat Resistant Friction Hitch Cord Kevlar Moved Permanently. 8 out of 5 stars. Key Benefits • 100% Technora Construction • Significant increase in durability and performance Mar 1, 2022 · When the 7mm VT came out I instantly liked it better than the 8mm and I think that is because I mostly use 8mm ropes. Mar 6, 2024 · GM CLIMBING 8mm VT Prusik Hitch Cord - 32 inch Specification: Length: 82cm / 32inch (end to end) Diameter: 8mm / 5/16 inch Material: Sheath-Technora; Core-Nylon End-to-end MBS: 20 kN / 4500 LBS Basket MBS: 30 kN / 6750 LBS Used with main ropes of 8~12. 8mm is designed to function as a pre-sewn prusik or climb heist. 88. A computerized large gauge sewing machine is used to bar tack a devilishly strong stitch with our custom thread. Available in 48cm and 34cm, MSRP $18. € 34, You will need access to both ends of a climbing rope for the knots, 2 meters of webbing, a Hollow Block, VT Prusik for the friction hitches. 8mm x 13. 8 mm HollowBlock2 is made of 100% Technora® fiber for increased abrasion resistance and improved durability. Used to tie: Symmetric Prusik, Asymmetric Prusik (Schwabisch/Distal), Valdotain Tresse, French Prusik. $24. Sep 17, 2020 · I feel like that is a good explanation. It functions as a secondary safety measure and rappelling back up. The VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab or in conjunction with a prusik minding pulley in haul systems. He's gotta be kidding about love for the hollow block That being said, in the canyoneering community which I am far more involved with, almost everyone I know uses a VT Prusik. I carry one 7mm VT on my harness and an extra in my pack. I review three of the more common options below in a long winded rant but threw in a few photos to keep you going. The prusik friction hitch was first displayed and popularized in 1931 in an Austrian mountaineering manual. So, there we go! That’s everything I have on the Prussik Knot. The test series included both slow pull examinations as well as drop testing. Sterling … The Bachman is an auto-block with a carabiner added in between the knot and the rappel line. Overall length: 33″ Jun 27, 2019 · Personally, I love the Sterling Hollow Block in the 13. The document has moved here. Note, it’s best to do this with a rappel extension. Friction hitches are a special type of knot. Overall length: 83 cm (33 inch) GM CLIMBING 8mm (5/16in) VT Prusik Swen Eye-to-Eye Pre-Sewn Heat Resistant Friction Hitch Cord Kevlar & Polyester 30inch. Also do note that there are some commercially available friction hitch loops or auto blocks like the Sterling Hollow Block or the BlueWater VT Prusik which are anecdotally known to perform better than the nylon cordage based prusik loops. The 7mm VT Prusik was designed for use on smaller diameter ropes. They can slide freely up or do 5 days ago · A prusik in rappelling is a motion-resistant knot designed to tighten up when weighted. 293. Dec 17, 2015 · A prusik works in either direction, which is sometimes important. 8 mm HollowBlock 2 loop is a friction hitch and autoblock that can be used as a prusik or Klemheist knot on ropes 7 mm or larger. 8mm Hollow Block Loop. Oct 25, 2022 · The beal jammy, the blue water vt prusik, or similar aramid cord with kernmantle construction is a much more versatile tool. <superpendanto> "prussic" is "Prusik" misspelled. At the time, the prusik was primarily used as an aid climbing tool to ascend fixed ropes (unless in emergency scenarios). Tying them to your rope and attaching them to your harness will catch you in the event that you fall while rappelling. 292. For technical rock climbing, it’s the ideal choice because it’s light and compact. Use to tie: Symmetric Prusik, Asymmetric Prusik (Schwabisch/Distal), Valdotain Tresse, French Prusik. Dis The VT Prusik can be used in so many ways that it is impossible to show them all. This thread/stitch Sep 26, 2020 · What is the best Rope material for making a prusik? Can we use Dyneema?In this episode I go over some rope materials and their properties to heat. 5-inch length. The VT Prusik is a versatile open-end Prusik. aorz ivstip rlsubk ogej rgzm ufhw cysdvsm flub cdlrp davaok