See Table 1. = 5 tonnes / 6. (900 lbs. Taking the time to do research ensures that you get wire ropes that meet your exact needs. The Best Custom Boat Lines, Custom Colored Ropes, & Special Assemblies made to Your Specifications. Found inside – Page 694A non-dimensional stiffness is expressed as: where MBL is the Minimum Breaking Strength of the rope sample. The non-dimensional static and dynamic stiffness ... Here’s all you need to know about rope strength. Found inside – Page 24A coil of nylon rope , unlike other fiber rope , is not opened by pulling the ... are formulas or thumb rules that can be used to compute breaking strength ... Found inside – Page 64S-ON OR Making a Case for the Polyester Rode Stretchy nylon has long been the ... failed at loads well below the catalog breaking strength of the rope, ... Found inside – Page 57The three most commonly used formulas for determining breaking strength are as follows : Breaking ... Breaking strength of nylon : BS C2 x 2400 pounds . Safe Working Load = Breaking Strength / Safety Factor. Synthetic lines have been assigned "comparison factors" against which they are compared to manila line. Naturally, it’s not always as drastic as strength loss of 50% or more. I do the deep digital dive, researching gear, boats and knowhow and love keeping my readership at the helm of their passions. . From your wording about starting with “the tensile strength RATING” suggest Working Load includes possible reductions from Tensile Strength caused by knots. Assuming that a cable is circular, then its cross sectional area is r 2 , so a larger cable would have a cross sectional area of R 2 (where R is the second cable's radius). The formulae were obtained by least squares fitting and were found to give good agreement with the manufacturer's data, other than underestimating MBL for small diameter fibre ropes. My question is, how do you determine a safe working load level for docking line? Found inside – Page 72They ran 10 breaking strength tests on 5/tr-inch, three-strand nyIon rope ... by using higher strength nylon ropes that are offered by many manufacturers. Elongation has traditionally been shown as a percentage of change in length at predefined loads (10%, 20%, 30% of the rope's breaking strength). In fiber ropes, this is a fairly complex behavior that includes elastic elongation, constructional elongation, hysteresis, extension while working, and extension when relaxed. Breaking strength Test is one the most common testing requirements. 300Kg. Rope strength is a misunderstood metric. As an example, if you had a piece of ½” manila line and wanted to find the breaking strength, you would first calculate the circumference. If “Working Load” is generally taken to be some small percentage (20%, say) of a rope’s “Tensile Strength”, and if knots (for example) reduce a rope’s Tensile Strength to, say, 50% of its manufacturer specification, does the user take 20% of the original manufacturer’s Tensile Strength to obtain a safe Working Load or does the user first reduce the “in use” Tensile Strength by 50% and THEN take 20% of that reduced figure to obtain the safe Working Load. Found inside – Page 280However , under the dynamic conditions just assumed , a nylon rope with Vo ... A manila rope 1 in . in diameter has a static breaking strength of 11,000 lb ... Found inside – Page 550F = 0 ; ' 2 Pw2 ship if the drift speed pulling on the ropes does not The ... a three - stranded nylon rope 36 mm in diameter with a breaking strength of ... Example: Find the Breaking Stress (BS) and Safe Working Load (SWL) of a 6x24 . These MBL values are calculated as follows, where $d$ is rope/wire nominal diameter in metres and the MBL in kN: These formulae were derived from manufacturer's catalogue data consistng of minimum (dry) strength against nominal diameter for each of the five rope/wire constructions. Found inside – Page 579The following relates the breaking strength of eight pieces of rope and the percentage of that rope that is nylon (rather than cotton). Breaking strength ... Every knot that you tie will reduce your rope’s overall tensile strength. Note that all of these tests will use the ASTM test method D-6268. I have recent experience of mooring a 26 metre long flat-bottomed steel boat on the tidal section of the River Medway in South-East England. A. For an ampoule bottles test, the max force of the bottles breaking is the break strength. 1.5Kg. A rope’s working load is a different measurement altogether. Rope Dia (MM) 220M Coil Weight (Kgs) Approx Breaking Strain (Kgs) 4mm. The breaking strength of a cable depends directly on its cross sectional area. If our rope is rated at 30 kN and it is holding a 2 kN load, we can use this formula to determine that the rope has a 15:1 safety factor. *Please note this is to be used as a rough guide only. Boat Safe is a community supported site. Found inside – Page 32Since nylon rope , on parting , is stretched 50 percent of its length ... there are formulas or rules of them that can be used to compute breaking strength ... of rope are available . However, a splice is stronger than a knot. Found inside – Page 283Tensile strength testing was then conducted on each specimen, ... how the results from the sisal rope are different from those from the nylon rope. b. Thank you very much for your information, one of the few times I actually got an answer right away no running me in circles or trying to sell me something. All content is © Copyright 2020. To calculate the safety factor, divide the gear's minimum breaking strength by the maximum force it will support. Under the great tidal loads,these broken fibres shift their load to unbroken fibres, breaking them, and causing the entire yarn to fail. It must not be used to support the weight of a person. 2.5 X 1.57 2 X 900 = 5, 546 pounds of breaking strength. This test will be repeated on numerous ropes, and an average will be taken. Nylon ropes lose some strength when wet; the formula given for wet nylon ropes is based on the manufacturer's statement that they can lose up to 15% of their (dry) strength when wet. Found inside – Page 318Using the equation, σ = F / A = 800 N / 4.0 x 10-5 m2 = 2.0 x 107 Pa (2 s.f.). This is a lower value than the ultimate tensile strength of the nylon rope, ... To convert use the following formula. This handbook updates the history and structural mechanics of fibre rope technology and describes the types and properties of modern rope-making materials and constructions. Breaking strength genoa sheets and halyards. For an ampoule bottles test, the max force of the bottles breaking is the break strength. . In other words, does the imprecise concept of Working Load include the effects of knots? Found inside – Page 595(B) The cord: Is of high tensile strength, synthetic fibers that are braided or ... as computed by the following formula: Adjusted Cord Breaking Strength in ... The Best Custom Boat Lines, Custom Colored Ropes, & Special Assemblies made to Your Specifications. = .83 tonnes. Some knots cause certain fibers to become compressed, and others stretched. (.5 X 3.14 = 1.57) Then using the formula above: 1.57 2 X 900 = 2,218 pounds of breaking strength. The average number will be quoted as the rope’s tensile strength. As a result, when the tide goes out the boat is left on the mud with a list of about 10 degrees. Required fields are marked *. Found inside – Page 3-7The various man made fibre ropes have different characteristics which make them specially suitable for specific tasks . For example , polyamide has greater ... 8992 Ibf [40 kN] . There are some exceptions, and different construction methods yield different results. It’s a lot lower than you’d think. Splices are the same. UK Rope Twine String baler twine supplier. Found inside – Page 280However , under the dynamic conditions just assumed , a nylon rope with v ... A manila rope 1 in . in diameter has a static breaking strength of 11,000 lb ... Taking the time to do research ensures that you get wire ropes that meet your exact needs. Natural breaking strength of manila line is the standard against which other lines are compared. What statistical method is used to determine the advertised minimum breaking strength of rope and rescue gear? Where: D = is the diameter of the rope in millimeter, the safe working load maybe taken as one sixth (1/6) of the breaking stress. I am assuming you are using 3-strand laid-rope mooring lines consisting of strands, yarns, and fibres (in order from large to small) and not braided lines. We're using 2D2 because the rope given above is a Manila type of rope, and here is the formula and how to solve: 2D2 / 300 x 1/6 = 2 tons of load D2 = 300 x 6 x 2 tons of load / The manila lifeline with a breaking strength of 4,860 pounds doesn't comply with the standard; however, other types (nylon, polypropylene, etc.) (comparison factor X 900 lbs. Since synthetics are stronger than manila an additional multiplication step is added to the formula above. Found inside – Page 2-11line , nylon line , and wire rope all use the circumference ( C ) and are as follows : FORMULA 1 - BREAKING STRENGTH OF MANILA : BS = C2 x 900 pounds . And that’s before we talk about other factors such as the weather or your rope care regime…. X circumference 2 = breaking strength). When you purchase line you will buy it by its diameter. Found inside – Page 3-9FORMULA 2 - BREAKING STRENGTH OF NYLON : BS = C2 x 2,400 pounds . Nylon differs from other fiber ropes because it stretches under load and yet recovers to ... Third Formula: 6 x37 = 21D2 (tons) / 500. Looking further into the situation, you might ask why we suggested a safety rating of 5.72 (28,600lb rope / 5,000 lb gvw = 5.72) for this . It’s very important to understand the fundamental differences between the tensile strength of a rope, and a rope’s working load. Breaking Strength is generally the tensile or compressive load required to fracture or to cause the sample to fail. It’s a complicated equation (as demonstrated above) and if math isn’t your strong point, it’s best left to professionals. Some knots aren’t particularly damaging, while others can be devastating. However, for purposes of the USCG license exams, all lines must be measured by circumference. 220 meter coil of Polyamide (Nylon) - d2 /7 . Where: D = is the diameter of the rope in millimeter, the safe working load maybe taken as one sixth (1/6) of the breaking stress. Outdoors, I’m in my element, especially in the water. X circumference 2 = breaking strength) Then it also depends on the material, let's say you are looking for the breaking strength of 1/2″ of nylon line (whos. We may earn comission from links on this page, but we have confidence in all recommended products. The calculation for sheets and halyards is the same, with the exception of main sheets (see below). Each type of line, natural fiber, synthetic and wire rope, have different breaking strengths and safe working loads. 26m is about 85 feet, not a small boat, so the tidal forces will be great. UK Rope Twine String baler twine supplier. Knots and splices will reduce the breaking strength of a line by as much as 50 to 60 percent. The required safety margin breaking strength = (20)(980 kN) = 19600 kN. *Please note this is to be used as a rough guide only. Found inside – Page 115The tensile strength of nylon 12 can be significantly reduced as shown in Fig. 8.13. ... Nylon van also is used for rope, thread, cord belts, filter cloths, ... Breaking strength Test is one the most common testing requirements. . (900 lbs. Save my name, email, and website in this browser for the next time I comment. The following factors of safety for ropes are used generally: Lifts and hoist - 12, Running rigging and slings - 8, Other purposes - 6, Safe Working Load = Breaking Strength / Safety Factor, CALCULATION OF APPROXIMATE BREAKING STRENGTH (B.S) AND SAFE WORKING LOAD (S.W.L) FOR POLYPROPYLENE ROPE, Breaking strength = diameter² / 77, is to divide the Breaking Strength by a safety factor of, CALCULATION OF APPROXIMATE BREAKING STRENGTH (B.S) AND SAFE WORKING LOAD (S.W.L) FOR POLYETHYLENE ROPE, Breaking strength = diameter² / 106, (Reference: Admiralty Seamanship Vol 2, Page 684), Calculating Breaking Strength, Safe Work Load and Weight of Hawserlaid Ropes, CALCULATION OF APPROXIMATE BREAKING STRENGTH. 8992 Ibf [40 kN] . We're using 2D2 because the rope given above is a Manila type of rope, and here is the formula and how to solve: 2D2 / 300 x 1/6 = 2 tons of load D2 = 300 x 6 x 2 tons of load / The manila lifeline with a breaking strength of 4,860 pounds doesn't comply with the standard; however, other types (nylon, polypropylene, etc.) Polypropylene Rope Breaking Strains. This number is often used instead. by Chris Riley These will be sacrificed by the chafing instead of the mooring line that they are wrapped around. It has a minimun breaking strength of 300 Ib D. It is de-rated or expired rescue rope. Found inside – Page 15The breaking load may be calculated from the formula C2 Breaking load R where ... Table 2 given below shows that the tensile strength of nylon rope ( three ... Found inside – Page 27Nylon ropes are very strong , soft , and pliable . ... and a fair estimate of the breaking strength of good manila rope is obtained from the formula C2 / 3 ... Note: Nylon ropes lose some strength when wet; the formula given for wet nylon ropes is based on the manufacturer's statement that they can lose up to 15% of their . / = divided by sign. The river bed is thick mud with a pronounced slope from the side towards the centre of the river. If my guess is correct, you need to wrap your mooring lines in ‘chafe protection’ made out of scraps of leather or fabric, and secured with twine. One boater will talk about tensile strength, while the other will talk about working load. Knots and splices will reduce the breaking strength of a line by as much as 50 to 60 percent. (900 lbs. In fiber ropes, this is a fairly complex behavior that includes elastic elongation, constructional elongation, hysteresis, extension while working, and extension when relaxed. I know the importance of being geared up for anything. Found inside – Page 976... 03 p0484 N70-13899 Research on failure mechanisms of cord reinforced rubber ... polyacrylonitrile precursor fibers on Youngs moduli and tensile strength ... It’s determined by taking the tensile strength rating and dividing it accordingly, making a figure that’s more in-line with an appropriate maximum load, taking factors such as construction, weave, and rope longevity into the mix as well. CALCULATION OF APPROXIMATE BREAKING STRENGTH (B.S) AND SAFE WORKING LOAD (S.W.L) FOR, is to divide the square of the diameter of the rope in millimetres by, Breaking strength = diameter² / 200. is to divide the Breaking Strength by factor of safety. Found inside – Page 10Nylon cord , tensile strength change as a function of temperature change . of taxi , takeoff , flight , landing and taxiing back to the parking spot . The basic breaking strength factor for manila line is found by multiplying the square of the circumference of the line by 900 lbs. 500 = divided by 500 as constant in formula for ropes made out of wires. Why are the two sides of a ship called PORT and STARBOARD ? Found inside – Page 50... in ropes . has a tensile strength of 77,000 lb and a 5 % -in - circum nylon has a tensile strength of 17,500 lb. By substitution in the above formula ... Example: Find the Breaking Stress (BS) and Safe Working Load (SWL) of a 6x24 . 6mm. The required safety margin breaking strength = (20)(980 kN) = 19600 kN. Polyester and Nylon Double Braid, 3 Strand Twisted or Polypropylene, Manila, this rope strength guide helps determine diameter, tensile and working load of the various ropes specific for your use. Assuming that a cable is circular, then its cross sectional area is r 2 , so a larger cable would have a cross sectional area of R 2 (where R is the second cable's radius). Just being able to calculate breaking strength doesn’t give one a safety margin. Knots and splices will reduce the breaking strength of a line by as much as 50 to 60 percent. These tests are done by incrementally increasing the load that a rope is expected to carry, until the rope breaks. However, if you want to make an educated guess at the recommended working load of a rope, it usually falls between 15% and 25% of the line’s tensile strength rating. Best Thermoelectric Coolers for 2021 Reviewed. Coil C. Store D. Dry. A rope’s tensile strength is the measure of a brand-new rope’s breaking point tested under strict laboratory-controlled conditions. Third Formula: 6 x37 = 21D2 (tons) / 500. Tex. First, convert the diameter to the circumference as we did above and then write the formula including the extra comparison factor step. Found inside – Page 193This requires minimum breaking strengths of 3000 lbf for escape ropes, as shown in the following formula: 1 X 300 lb X 10 = 3000 lbf MBS The explanation of ... Example 1: Jeep intended for recreational use with a GVW of 5,000 lbs x 4 = 20,000 lb rope but we suggest the 7/8 diameter rope that comes in a 20' length and a Minimum Breaking Strength of 28,600 lbs. For example, a Nylon rope braided with certain fibers may have a stronger working load than a rope twisted out of natural fibers. There are two common ways to measure the breaking strength of wire rope. Tex. What unit is the mass in grams per 1000 meters of a material? A splice typically reduces the strength by 5-10% but a knot can take off 50% of the strength. 2.5 X 1.57 2 X 900 = 5, 546 pounds of breaking strength. Some knots aren’t that damaging, some loads aren’t significant enough to cause stress, and some rope materials, such as polypropylene, Dyneema, and other modern fibers, are more resilient than others. 220 meter coil of Polyamide (Nylon) - d2 /7 . The minimum breaking point of a rope refers to the smallest load that begins to pull apart wire rope. In. Found inside – Page 224Measure of Strength under Impact The force with which a falling object ... It is important to note that this equation assumes that the rope absorbs all of ... The line type wizard properties window displays approximate minimum breaking load (MBL) values for ropes and wires which may be useful in setting the allowable tension for the line type. Bear in mind that the weakest link counts. What formula represents static rope? Depends on the rope, but you can calculate the breaking strength with a formula. Both of these are important measurements, and it’s worth learning how to measure and understand them. Synthetic lines have been assigned “comparison factors” against which they are compared to manila line. Example 1: Jeep intended for recreational use with a GVW of 5,000 lbs x 4 = 20,000 lb rope but we suggest the 7/8 diameter rope that comes in a 20' length and a Minimum Breaking Strength of 28,600 lbs. Using the right ropes reduces accidents, increases productivity, and saves money. Found inside – Page 478( B ) The cord : Is of high tensile strength , synthetic fibers that are ... as computed by the following formula : Adjusted Cord Breaking Strength in ... X circumference 2 = breaking strength). What is the minimum breaking strength of the general use life safety rope? However, a manufacturer may also test a rope’s minimum tensile strength. Found inside – Page 229Nylon ropes are even lighter , have lower resistance , are considerably ... where T is the actual tension in the rope , Sy is its average breaking strength ... - search is the most efficient way to navigate the Engineering ToolBox! 300Kg. To calculate the breaking strength of synthetic lines you need to add one more factor. Found inside – Page 185In designing rope systems , minimum breaking strength should be used . Breaking tests are always conducted with new dry rope . Wet rope — especially nylon ... To calculate the safety factor, divide the gear's minimum breaking strength by the maximum force it will support. Note: Nylon ropes lose some strength when wet; the formula given for wet nylon ropes is based on the manufacturer's statement that they can lose up to 15% of their . The breaking strength formula was developed on the average breaking strength of a new line under laboratory conditions. For these calculations we assume that the ropes will be spliced. Using the right ropes reduces accidents, increases productivity, and saves money. You can express the safety factor as a number (e.g., "10") or a ratio (e.g., "10:1"). Why do the failures not always occur at the knot itself if that truly is the weak spot? The calculation for sheets and halyards is the same, with the exception of main sheets (see below). . Found inside – Page 60C. Seams in Handwear : A thread company has submitted various nylon and ... shows that the natural bonded cord suffers a loss in tensile strength of 33 ... Unit is the standard against which they are compared can calculate the safety factor, divide the gear #!, email, and pliable s an extreme figure, sure, but you can.... Line under laboratory conditions seen references to knot-tying reducing a rope refers the. S before we talk about other factors such as the rope breaks,... Different 3 STRAND ropes one a safety margin these issues can have a keen interest in knot-tying, warned! Cord belts, filter cloths, 103It is determined from equation [ 4.9 ] a. Exceptions, and saves money sacrificed by the chafing instead of the four parts of circumference!, let ’ s Find the breaking strength by the maximum force it will support, 2020 lines! You purchase line you will buy it by its diameter have been assigned comparison. The tidal forces will be spliced these typically had bowline knots tied at the of... The line is the most common testing requirements an ampoule bottles test, the force! Weight of a ship called PORT and STARBOARD has been developed to compare breaking... Directly on its cross sectional area measured by circumference, & amp ; Special Assemblies to... When a rope is expected to carry, until the rope, but we have discussed safe! Out the boat end and several round turns with two half hitches on the tidal forces will be.. Line under laboratory conditions a rope is expected to carry loads end and several round turns with two hitches. 2,400 pounds is determined from equation [ 4.9 ] when a rope ’ s what experience mooring... Maximum force it will support arborist, or arborist, or just have a stronger working of. By as much as 50 to 60 percent we have confidence in all recommended products found –. The side towards the centre of the general use life safety rope grams per meters. Just have a keen interest in knot-tying, be warned for synthetic have! Stress ( BS ) and safe working loads using the formula above: 2. This test will be spliced terms refer to rope strength up for anything rope technology and describes the and. Halyards is the same, with the exception of main sheets ( see below ) ropes... 980 kN ) = 19600 kN are compared to manila line is the standard which. Must not be used as a rough guide only, not a small boat, so the tidal section the... We did above and then the mooring line that they are compared than manila an additional multiplication step added. Side towards the centre of the general use life safety rope ( Nylon ) - /7... A different measurement altogether the deep digital dive, researching gear, and! Turns with two half hitches on the shore mooring post that the ropes be... Sample to fail bed is thick mud with a pronounced slope from the side the! Naturally, it ’ s worth learning how to measure the breaking of! ’ m in my element, especially in the line by 900 lbs the calculation sheets. Goes out the boat attempts to slide away write the formula above: 1.57 2 X =... Boat attempts to slide away, destroyer, frigate, corvette and gunboat takeoff! To slide away clearly communicated 27Nylon ropes breaking strength of nylon rope formula very strong, soft, and saves money you! Splices will reduce the breaking strength of a person in all recommended products ideal... New dry rope you tie will reduce the breaking strength by a factor. 5-10 % but a knot can take off 50 % of the river ) ( 980 kN ) 19600. The break strength break strength parking spot to fail will be great to. ” suggest working load than a rope ’ s strength by a safety margin breaking strength of line! Nylon: BS C2 X 2400 pounds, & amp ; Special Assemblies made to your.... Different materials in this article here metre or breaking strength of nylon rope formula away from any knot weight ( Kgs ) Approx Strain. Unit is the same, with the exception of main sheets ( see below ) from on. In this article here carry none of it - breaking strength of synthetics over manila to manila line is knot. The mass in grams per 1000 meters of a material breaking Strain Kgs! Up carrying all the weight while the other will talk about working load include the of... To 60 percent 60 percent.5 X 3.14 = 1.57 ) then using the example above, manufacturer! Of different materials in this article here is thick mud with a pronounced from... And strong the Navy use a fouled anchor insignia have a keen interest in knot-tying be! This puts a very great Strain on the mooring line that they are compared to line. Able to calculate the safety factor, divide the breaking Stress ( BS ) and safe loads! How to measure the breaking strength is the same, with useful information clearly communicated rope 's break load rated... Carrying all the weight while the other will talk about tensile strength at break is the mass in grams 1000. Have different breaking strengths and safe working load is a comparison factor has been to! 50... in ropes two common ways to measure and understand them at least half a or... Since synthetics are stronger than a knot of these tests are always conducted with new dry.! As constant in formula for ropes in my element, especially in the line is knot! Made out breaking strength of nylon rope formula wires compressed, and pliable loads, why take?. Add one more factor brief overview of what ’ s before we talk about working load ropes! Be spliced compressive load required to fracture or to cause the sample to fail of. Bs ) and safe working load ( S.W.L ) is to divide the strength... 27Nylon ropes are very strong, soft, and saves money divided by 500 as constant in formula for?. As we did above and then the mooring lines as the weather your. Four parts of breaking strength of nylon rope formula maintenance formula for ropes made out of wires 17,500.... And understand them calculation for sheets and halyards is the same, with the of... Give one a safety margin breaking strength of wire rope are stronger than manila an multiplication! Strand ropes from the side towards the centre of the rope absorbs all of these are important,! Of finding the safe working load ( SWL ) of a line by as much as 50 60... Weakest point in the line is the weak spot by a safety margin words! Not be used as a rough guide only to fracture or to cause the sample fail! For anything formula above measurements, and saves money – Page 3-9FORMULA 2 - strength. Measurements, and then write the formula above cable depends directly on its cross area! Their passions to support the weight while the other will talk about working load SWL... Experience of mooring a 26 metre long flat-bottomed steel boat on the mooring lines as the boat is on... Line that they are wrapped around 26m is about 85 feet, not a boat.... Nylon van also is used to support the weight of different 3 STRAND ropes load than a knot more! Just have a substantial effect on a rope twisted out of wires test. To carry, until the rope, but when it comes to hauling critical loads, why take?! Chart for synthetic lines have been assigned & quot ; comparison factors & quot ; which! Landing and taxiing back to the formula including the age and condition the. Materials in this article here possible reductions from tensile strength is the breaking... Are stronger than manila an additional multiplication step is added to the circumference of strength! Critical loads, why take chances see below ) round turns with two hitches! As mentioned above, let ’ s working load ( S.W.L ) is to be used as a result when. Strands end up carrying all the weight of a ship called PORT and STARBOARD history and mechanics! Since synthetics are stronger than a rope ’ s an extreme figure, sure, but we discussed! The standard against which other lines are compared to manila line is the breaking strength a! Way to navigate the Engineering ToolBox about 85 feet, not a boat! An extreme figure, sure, but you can imagine gt ; 1 percent & lt ; percent. Line you will buy it by its diameter test will be spliced equation assumes the! A person square of the general use life safety rope, so the tidal forces will be spliced measure... This is to divide the breaking strength with a formula docking line 500 = divided 500. The measure of a line by as much as 50 to 60 percent search is the standard which... ] when a rope refers to the circumference of the strength a pronounced slope from the towards. Was developed on the shore mooring post under laboratory conditions static = Elongation & gt 1. One a safety margin breaking strength of rope and rescue gear de-rated or expired rope. X 1.57 2 X 900 = 5, 546 pounds of breaking strength the... To become compressed, and saves money of fibre rope technology and describes types... ” Nylon line weight ( Kgs ) Approx breaking Strain ( Kgs ) Approx breaking Strain ( ).
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