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Carabiner Clip Low-Down!
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A carabiner clip is a tool with a curved metal body and a spring-loaded gate. Carabiner clips, or devices that look like them, are very popular - but how strong are they? Heavy-duty carabiner clips are designed to keep you safe and can potentially serve as a life-saving device. However, not all carabiner clips are created equal, so it’s important to choose the right one for your needs.
In this episode, DirtFarmerJay shows you how to know if you have the real thing, how to decipher load ratings, and how these great devices can be used when it comes to securing loads.
Visit almost any home-improvement store or major retailer, and you’ll likely find a display of carabiners in the hardware or sporting goods section. These devices are extremely handy for many light-duty attachment purposes, ranging from keychain carabiners, accessories on a backpack, water bottle carabiner clips, as well as organizing cordage and rope in the garage.
But, BEWARE! What you see in most general retail settings, looks like what is used by search and rescue teams and for climbing and repelling gear - but they are not.
Heavy duty carabiner clips that are designed to carry heavy vertical loads, including “life-loads” (where someone’s LITERAL life depends on the device) are really different altogether. These heavy duty devices are also great for securing loads. With the gates secured shut, if anything were to fail, it’s gonna be elsewhere!
A real carabiner clip will always have a load rating on them expressed as kN (kilo-newtons). You’ll find this rating engraved along the spine. So what is a kiloNewton? It’s about 225 lbs (102 kilograms) - but that is only part of the story. This is not a static/stationary weight - it’s really a measurement of the force of gravity.
A good illustration of this is that it’s possible to tie a hefty piece of string to a heavy weight, and to lift it slowly without the string breaking. But when the weight is dropped and it reaches the end of the length of string, the string will snap. Why? Isn’t it all the same weight? Yes, but force must be taken into account. The mass of the weight accelerates downward, creating additional force on the string - overwhelming it. That is why kN ratings are used to address the force of gravity being applied to a falling object/person.
All the elements that are used by a rescue technician, entertainment rigger (think of the trapeze and such), and high-rise window washers are designed to absorb/redistribute the force that is generated by a fall, and the kN rating shows how much the carabiner is designed to carry.
Lastly, kN ratings on a carabiner spine are shown with 3 values. The ones we use have a combination of icons (to show direction of attachment to the carabiner) and how much force can be applied in that direction. Ours have 25, 8, and 7. This means that loading along the direction of the spine, with the gate secured properly, is rated at 25 kN. If loaded side to side, the rating is 8 kN. Lastly, if the gate is not secured, the rating is 7 kN. To get an approximate force rating expressed in kilos, multiply the kN number by 102. To get the answer in pounds, take the kN number and multiply it by 225.
Why is a carabiner so much stronger along the longest axis? Because the load is being handled by the spine of the entire unit! The weakest part is the hinge pin at the base of the gate, which is reflected in the sideways attachment number, which is about 1/3rd of the rating for attachment that the unit is designed for.
While light-duty carabiner-like devices will be constructed out of light gauge metal (typically aluminum), they will also have a spring-loaded closure arm (“gate”), secured with a small metal pin. As mentioned earlier, the weakest part is the hinge-pin. These cheaper models also don’t typically have a secure way to secure the gate. The last giveaway that you are not looking at a “real” carabiner are the disclosures that are imprinted on the spine, typically statements such as “NOT FOR CLIMBING,” or “SAFE WORKING LOAD 150 LBS.”
Thanks for tuning in and being a part of the adventure, where you can JUST DO IT YOURSELF!
Follow us on Social Media to know when we’re building projects or releasing new episodes!
You can help support this channel by buying our merchandise or supporting us on Throne or Patreon
Merch: COMING SOON!
In this episode, DirtFarmerJay shows you how to know if you have the real thing, how to decipher load ratings, and how these great devices can be used when it comes to securing loads.
Visit almost any home-improvement store or major retailer, and you’ll likely find a display of carabiners in the hardware or sporting goods section. These devices are extremely handy for many light-duty attachment purposes, ranging from keychain carabiners, accessories on a backpack, water bottle carabiner clips, as well as organizing cordage and rope in the garage.
But, BEWARE! What you see in most general retail settings, looks like what is used by search and rescue teams and for climbing and repelling gear - but they are not.
Heavy duty carabiner clips that are designed to carry heavy vertical loads, including “life-loads” (where someone’s LITERAL life depends on the device) are really different altogether. These heavy duty devices are also great for securing loads. With the gates secured shut, if anything were to fail, it’s gonna be elsewhere!
A real carabiner clip will always have a load rating on them expressed as kN (kilo-newtons). You’ll find this rating engraved along the spine. So what is a kiloNewton? It’s about 225 lbs (102 kilograms) - but that is only part of the story. This is not a static/stationary weight - it’s really a measurement of the force of gravity.
A good illustration of this is that it’s possible to tie a hefty piece of string to a heavy weight, and to lift it slowly without the string breaking. But when the weight is dropped and it reaches the end of the length of string, the string will snap. Why? Isn’t it all the same weight? Yes, but force must be taken into account. The mass of the weight accelerates downward, creating additional force on the string - overwhelming it. That is why kN ratings are used to address the force of gravity being applied to a falling object/person.
All the elements that are used by a rescue technician, entertainment rigger (think of the trapeze and such), and high-rise window washers are designed to absorb/redistribute the force that is generated by a fall, and the kN rating shows how much the carabiner is designed to carry.
Lastly, kN ratings on a carabiner spine are shown with 3 values. The ones we use have a combination of icons (to show direction of attachment to the carabiner) and how much force can be applied in that direction. Ours have 25, 8, and 7. This means that loading along the direction of the spine, with the gate secured properly, is rated at 25 kN. If loaded side to side, the rating is 8 kN. Lastly, if the gate is not secured, the rating is 7 kN. To get an approximate force rating expressed in kilos, multiply the kN number by 102. To get the answer in pounds, take the kN number and multiply it by 225.
Why is a carabiner so much stronger along the longest axis? Because the load is being handled by the spine of the entire unit! The weakest part is the hinge pin at the base of the gate, which is reflected in the sideways attachment number, which is about 1/3rd of the rating for attachment that the unit is designed for.
While light-duty carabiner-like devices will be constructed out of light gauge metal (typically aluminum), they will also have a spring-loaded closure arm (“gate”), secured with a small metal pin. As mentioned earlier, the weakest part is the hinge-pin. These cheaper models also don’t typically have a secure way to secure the gate. The last giveaway that you are not looking at a “real” carabiner are the disclosures that are imprinted on the spine, typically statements such as “NOT FOR CLIMBING,” or “SAFE WORKING LOAD 150 LBS.”
Thanks for tuning in and being a part of the adventure, where you can JUST DO IT YOURSELF!
Follow us on Social Media to know when we’re building projects or releasing new episodes!
You can help support this channel by buying our merchandise or supporting us on Throne or Patreon
Merch: COMING SOON!
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