With your constrictor cord, tie a clove hitch around the end of the rubber and pull down tight. Our larger 9mm terminal wishbones have extra holding power for larger diameter rubber or for those first time band builders that need a little more forgiving terminal while they master the constrictor knot. How to make your own speargun rubbers bands slings spearfishing basics. Tie a knot in the end and insert it into the new longer tubingband. A good knot could be the difference between you keeping or losing some of your expensive gear or the fish of the year. This kevlar cord bites down on the rubber and keeps the knots from pulling out. Speargun bridles and wishbones are essential for a rubber powered speargun. Twisting the rubber as you tighten the knot helps to keep it neat. Be careful not to pull it too tight however as you will be able to cut through the rubber if you severely overtighten the knot. This selection of over 100 of the best rope knots is for use by boaters, paddlers, scouts, search and rescue, arborists, climbers and all outdoor pursuits. This is a very simple knot and a variant of the clove hitch knot. Obd tying line technora kevlar 10 metres one breath. After constricting the band the rubber expands and engulfs the insert. The two basic types are pneumatic and those powered by rubber bands.
The wax was applied to the nylon cord to lubricate it so that it could be tightened without breaking. So i decided to make a howto video for making speargun bands with the constrictor knot. You can also use knots in the wishbone instead of the inserts, but the inserts make it very easy to replace a worn wishbone. Constrictor knot in order to tie a constrictor knot around a speargun band you need to get 30cm long cord and create two circles taking care to put the ends on a different side. This tutorial will show knots like the sheet bend and constrictor knot. Spear types come in a number of varieties including threaded, breakaway and lined. Spearguns are used in sport fishing and underwater target shooting. The wishbone slips into the small hole at the end of your rubber and is secured in place with a simple constrictor knot which means when you pull your rubbers back to. The constrictor knot is favoured because it is one of the most effective binding knots. First slip your second constrictor knot over the rubber tube and let it hang loosely there in the picture on the bottom left you cant see it but its there on the bottom half, next pull the rubber tube this allows the spectra line to creep into the tube, and generally stays well within it up to where the knot is. Clove hitch the clove hitch tightens down on itself making it perfect to use as a constrictor knot for tying speargun rubbers and bungees. It is the best material we have found for tying bands. Riffe rubber power bands for spearguns contain antioxidants for longest life.
Cressi constrictor cord is ideal for tying bridles into speargun rubber, or making shock cords and bluewater spear breakaway rigs. Tie the constrictor knot ensuring you have at least an inch or two spare at either end. Of course not every speargun manufacturer uses rings, in fact the higher the quality and the price of a speargun, the more likely it is to come with hand tied bands. Neptonics constrictor knot cord has an aggressive braid that grips itself and never slips. Riffe gorilla rubber power bands for spearguns and. This video demonstrates how to tie dyneema wishbones on a circular rubber band for omer spearguns. Omer rubber speargun and is secured in place with a simple constrictor knot.
A challenge of including a manual to the speargun is that the. These knots will allow you to prepare your rubbers for rigging. Actual band tying line is much thinner and black in color. The double constrictor is a great knot for temporary repairs, any application that requires pulling things together or clamping, hose clamps are one example i have a sample of double braid fabric braid hose with a double constrictor knot tied around the hose with 116 inch nylon net twine and the net twine has crushed the hose down to the. You can use a tool like the one pictured bellow or just use needle nose pliers.
Any helpful tips on perfecting constrictor knots or keeping a wishbone stopper knot stay in the tubing. Spearit makes constrictor cord with black and yellow kevlar. Learn how to tie your own speargun rubbers using bulk rubber and a ttool. Apply equal pressure to both cord ends to secure the knot. Speargun bands by primeline industries black latex tubing 14. Basic assembly of a speargun or polespear band consists of two basic steps. A constrictor knot prepared for tightening using two metal rods and marlinespike hitches. Diy kits include wishbone insertion tool, 25 of rubber, 10 wishbones dyneema or meandros inserts with spectra, and 25 constrictor cord.
It is a simple, easy to tie knot which is most importantly secure. Spearit kevlarr constrictor cords are the product of decades of experience tying tens of thousand of speargun bands. Tying dyneema wishbone and band on an omer cayman speargun. The clove hitch tightens down on itself making it perfect to use as a constrictor knot for tying speargun rubbers and bungees. Avoid the problems of knot creep or stretch inherent in other synthetic fiber cords. After installing the bridle wishbone with the t shaped installation tool two photos above i use special cord to tie constrictor knots. The constrictor knot is one of the most effective binding knots. Kevlar is the perfect fiber for constrictor cord because of its high tensile strength, very low stretch and good knot holding properties. If youre going to be using a knot at each end of the wishbone use one that ties big. We first presented them in december in their provisional brown colour and we announced that thanks to a small trick they got an exceptional performance, we are now ready to reveal all. Any helpful tips on perfecting constrictor knots or keeping a wishbone. Constrictor knot wikipedia, the free encyclopedia constrictor knot. Buy omer speargun articulated wishbone 20mm online at marine.
How do you determine band length with mean green rubber. This guide will outline the basic steps required to make your own circular rubbers with a dyneema wishbone. Neatly form the constrictor knot paying close attention to keeping the knot symmetrical. For over 26 years netknots has provided helpful information about fishing knots and rope knots with easy to follow step by step knot tying illustrations and animations for tying over 180 of the most popular and most useful knots. Line up constrictor knot and use pliers to tighten know.
With adrenos taylor slattery, learn how to tie a constrictor knot. Once youve tied the knot, slide the constrictor right up to the end of the rubber aim for just a few millimetres of overhang. A simple fail safe method of tying up bands for beginners. International rules underwater target shooting pdf. Always fresh, made of the highest modulus rubber available. Now its just like a wishbone on a regular speargun, so you tie a constrictor knot on the band ends to hold the knot. The knot should be tightened to the rubber s maximum constriction. Trusted knots by netknots how to tie the right knots. Spearfishing rigging constrictor knot cord diversworld. This gun was very accurate and shot through the target with 144cm of spear passing through the other side of the target. Cressi constrictor cord is made from the finest quality and best performing soft braid nylon cordage.
As shown in picture 1 the b circles end is infront of the cord while the a circles one is behind it. The double constrictor knot is an even more robust variation that features two riding turns. Tie it in a clove hitch knot, which if youre not familiar with can be found here. This means that with a shorter rubber with a short pretension, you can easily pull the bridle off the muzzle but it very quickly becomes harder to pull and pretty hard at the notch. Please note which wishbones you would like in the notes. Our speargun rubbers are fresh, snappy, best price on the market helping you save money when rerigging your spearguns. Then turn tubing over and tie a 2nd constrictor now on the back side of the tubing.
Choose from either stainless steel cable wishbones or dyneema wishones. Red triangle spearfishing brings you the best american rubber. The sigal extreme are black bands with a very thin coextrusion inherited from the reactive brown that in the. Also known as the millers knot this knot is useful for securing the end of a sack or bundles of items. A speargun is an underwater fishing implement designed to launch a spear at fish or other. Relative effectiveness between a constrictors knot and a. One double constrictor knot is sufficient for even 34 inch tubing. The longer the rubber, the more pretension you need to stretch the rubber to 400% when loaded on the notch, and hence more load on the bridle at the muzzle. With the thousands of bands that we tie regularly this knot has never slipped or failed us. Avoid the problems of knot creep or stretch inherent in other high performance fibers.
Speargun rubbers in order to keep your spearguns performing at their best you should be changing their bands every 6 months to 1 year. The most popular loop knot isnt actually used that much in spearfishing but everyone should know how to tie it. Synthetic black surface finish for improved knot retention. The cm with a single 20mm note genuine 20mm rubber, not std. With adrenos taylor slattery, learn how to tie a constrictor knot, a double. My practice bands have been too extremely hard to load and my dynema wishbones are occasionally pulling out. It is made similarly to a clove hitch but with one end passed under the other, forming an overhand knot under a riding turn. To achieve the neatest results position the knot close to the end of the rubber, 5mm from rubber edge to knot centre is recommended. It includes a large range of camping knots and essential utility knots. Place the constrictor cord towards the end of the rubber, where youve just inserted the bridle. A well tied constrictor knot on the other hand, constricts the rubber tubing to a smaller diameter and therefore allows for the use of smaller, rubber friendly, terminals. After tying the first constrictor knot i pull it tight and tie another one on the opposite side of the band.
The constrictor knot is used throughout the spearfishing community to safely secure your briddle wishbone, be it metal or dynnema, to your rubber. Rope knots all rope knots animated and illustrated how. The double constrictor knot is used to tie the ends of a speargun band to keep the wishbone in place. There are many different ways that you can attach your dyneema wishbone to your rubbers. This is a quick demonstration by adrenos twotime australian ladies spearfishing champion, kahlee andrews, on how to make a rubber for your speargun. Constrictor knot cord the constrictor knot cord is ideal. Cressi constrictor cord 10m pack the scuba doctor dive. Kevlars ultra high strength, low stretch and superior knot retention mean that once tightened, your constrictor knot will stay tight. A pneumatic gun differs from a rubber model in that it has a thicker spear that goes inside a sealed.
In this guide we are going to focus on making the rubbers with a. Handle in antisliding greysilver thermoplastic rubber for a good relationship discretion. Video how to tie speargun band with constrictor knot. Double constrictor knot boating safety tips, tricks. Having spare parts for your spear gun is the only way to assure you wont get skunked on a spear fishing trip.
Rubber tubing and constrictor cord sold seperately in our amazon store. The knot stays tied and grips itself so well that it is often. Braided knots monofilament multifilament power pro swivel. Select all the rigging parts for your speargun and have diversworld mail everything to you at a flat rate today. Spearit knowledge base how to tie the constrictor and. Stainless steel v wishbone for speargun bandsling select.
Kevlars ultra high strength, ultra low stretch and superior knot retention mean that once tightened, your constrictor knot will stay tight. A speargun is an underwater fishing implement designed to launch a spear at fish or other underwater animals or targets. To fully tighten the knot a large amount of tensile force must be applied and abrasion occurs as the outer loops tighten on the inner hitch. Using some rob allen constrictor line tie a constrictor knot about 4mm from the end of the rubber. I use special kevlar cord from currently, which is a bit too thin but doesnt stretch, if you use normal cord it will need to be tied even tighter to allow for stretching. I know many people that cant tie speargun bands and spend tons of money a year buying expensive speargun bands. The constrictor knot cord is ideal for bridal securing on any type of speargun rubbers. Constrictor knot for tying speargun bands, beginners guide. Simple and secure, it is a harsh knot that can be difficult or impossible to untie once tightened. This is because they are produced for us by primeline industries of akron ohio. Its ultra high strength, ultra low stretch and superior knot retention mean that once tightened your constrictor knot will stay tight. Best deal on omer speargun articulated wishbone 20mm at marinedeals.
940 1493 221 1652 1531 225 537 73 410 311 405 347 30 1237 421 396 1428 1010 1117 1014 1213 324 734 612 413 428 886 18 1268 23 1061 1400 61 41 1347 1018 1149 957 16 1275 878 191