![]() In the Long Splice, strands are not divided, but are tucked back over and under in both directions. ![]() If ordered from our mills, care must be taken in terminology to avoid confusion with the Long Blind Splice, listed below. Properly tucked and well pounded down, the Long Splice will often run satisfactorily over sheaves. However, the Long Splice causes a smaller increase in diameter. Long Splice-You will note in Figure 1 that Long Splices do not afford the strength of the Short Splice. The only disadvantage to the Short Splice is that it greatly increases the diameter of the rope at that point so that it may not pass through rings or over sheaves. If the splicer uses the same number of tucks back in each direction and tapers the splice in a manner similar to the Eye Splice, the efficiency, of the Short Splice will be very close to that of the Eye Splice (See Figure 1). ![]() Short Splice-The Short Splice, which is used to join two ends, is essentially the same as the Eye Splice. When using a thimble for an Eye Splice with synthetic fiber rope, it is advisable to use an eared thimble for greater security. It should be noted that only Eye Splice, either with or without a thimble, should be seized with marline or wrapped with tape for longer wear. Therefore we can, for comparison purposes, consider this splice to be 100% efficient.īesides being more closely related to actual field use, this splice is most convenient for test purposes since it offers the longest method of attachment. Three Strand ConstructionĮye Splice-As previously noted, our published strengths are based upon tests in which the rope is Eye Spliced at both ends. Percentage of efficiency varies little for ropes of dissimilar compositions used in the same type of splice. The test data were compiled using rope constructed of Nylon, Dacron, Polypropylene, Manila and P/D combinations. Instructions for making the various splices are shown in specific brochures and booklets, which deal with the proper use of rope. Occasionally, where small ropes may be tested by securing both ends with several turns around a post or cleat, break strengths at slightly higher than eye-spliced results may sometimes be achieved.Īs you will see, in certain cases, obtainable splice efficiencies may sometimes suggest the desirability of using a slightly smaller diameter continuous length of line for a larger diameter, which must be long or short spliced. However, it is hard to conceive an actual “in use” application where sufficient force can be applied to reach the breaking point without some sort of splice, knot or hitch being utilized. This may seem conservative, on our part, since a straight, unspliced line will have greater strength. When tested, the ropes invariably part at the splice. Efficiency of Splicesīefore discussing individual splices, it should first be understood that we have traditionally based our published rope strengths on tests using an eye splice at both ends. ![]() This page has been compiled so that both our own personnel and those of our customers can better understand exactly what to expect from ropes which have been spliced, knotted or hitched.Īll of the efficiencies listed herein either correspond with or take precedence over previously published figures.
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