boom to mast connection

If the lines are brittle and leave excessive dust on your hands, it may be time to replace them. This site also participates in other affiliate programs and is compensated for referring traffic and business to these companies. 2.5 Level boom to a point of 1/300 of span (in inches) above level. Sailboat vs Powerboat - Which is Right for You? Lifeofsailing.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Attaches boom to mast. Nevertheless, it should be understood that sufficient play remains, no matter how carefully the lashing 22 is applied, that the wishbone 15 is permitted to wobble about the longitudinal axis that bisects both the connector 18 and the boom end 21, thereby reducing the control of the sailboard. Swivel base plug for mast to suit KO1 section . Make sure the aluminum mast is solid, as corrosion can weaken the areas around the mounting holes. GST. A connector according to claim 1, characterized in that a second socket is joined to said one socket by a common pivot, said sockets being constructed for receiving respectively the two mast ends of a wishbone boom and being moveable with said boom relative to said jaws about said pivot. The CroswodSolver.com system found 25 answers for mast or boom crossword clue. Due to the difficulty in effecting an ideal boom-to-mast connection, and the time required to perform the procedure, most boardsailors have the boom and mast connected when transporting the sailboard although it would be desirable to remove the boom and furl the sail around the mast. Mast-to-tackle rope on a. Tackle-to-mast rope on a. The first and most common type is the standard boom vang. Mechanical connections for joining the boom to the mast have been proposed, but they have primarily concerned themselves with the problem of improving the speed and reducing the complexity of establishing the required connection. Just remember boom vang forward, mainsheet aft. I've personally had thousands of questions about sailing and sailboats over the years. The Best Sailing Shoes (For Different Situations). The gooseneck, the connection between the mast and the boom, on these boats has a pin that fits into an axial hole in the end of the boom so that boom can easily be removed from the mast when not in use. Mast extensions. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING, Clamps, i.e. Then, as illustrated in the successive drawings of FIGS. With Mast & Boom Protection you have nothing to fear! For traditional boom vangs, regularly inspecting the blocks and lines can prevent problems down the road. Turns around, as a mast. I have owned this C25 for four months now. A boom gnav takes up no extra cockpit space as it mounts atop the boom and to a higher point on the mast. Thus we obtain a maximum vertical/torsion stiffness, which results in an extremely direct connection/transmission of boom to mast (= maximum performance). Shim, if necessary, between mast and back of boom plate (shims by others). $74.67 excl. Of course, the pads 32 and 33 are of elastic material of desired thickness and characteristic. The boom vang (or “kicking strap”) is a system used to control the shape of the sail. 306794641 - EP 0228344 A1 19870708 - Sail board boom-to-mast connection device. The sail is stretched between the mast and the end of the boom 15 by fastening the clew 20 to the boom end at 21. – Stiff Arms Included: (2) 12′ 6 stiff arms. Again, any variation in diameter of the mast with furled sail will be accommodated by the cushioning effect of the elastomeric pads 32 and 33. Side of Nottingham that supplies mast … $175.00. returning to port after my gooseneck busted: You can … 5 is a sectional view taken along line 5--5 in FIG. 7. A pin 39, traversing the body member 38, functions as a common pivot for the sockets 28 and 29 that are joined to opposite ends thereof such that the sockets move as a unit. Well, it finally happened - the cast aluminum gooseneck connection holding my mast to the boom crumbled. FIG. The word "gnav" is "vang" spelled backward, and it performs the exact same task on the opposite end of the boom. I recently took down the mast and added the mast step halyard plate. 1271 Tubular mast 350 x 350 for TTC-Boom; 1272 Tubular mast 300 x 500 for TTC long; 1281 Tubular mast 350 x 350 for Mono Anchor Boom WPE 450; 1282 Tubular mast 300 x 500 for Mono Anchor Boom WPE 450; 1283 Tubular mast 300 x 500 for Mono Anchor Boom WEB 450; 13 Anchors, Lattice Ties; 14 Mast connections, Fixations; 2 Support points, Cross arms; 3 U-Bolts, … The easiest way to tell the difference between the boom vang and the mainsheet is location. Now directing attention to FIG. Here's a shot of us coming back to port after the gooseneck busted. boom, use (2) DXE … 7 and 8 the mast can be raised while the boom 15 is lowered, all the while holding the connector 25 against the mast in order to clasp securely the mast between the jaws 30 and 31 of the connector 25. When installed, the boom 15 will be generally horizontal while the mast 12 is oriented vertically. - [origin: US4704980A] The front body (2) has holes (3, 4) for receiving the ends of the wishbone boom, and an arched surface (7) intended to be applied against the mast. It's an old boat, … Boom gnav systems are most common on small sailboats, where the added lower triangle of a boom vang gets in the way. Mast: Main vertical spar supporting the rig/sails Boom: Spar at the Bottom of the mainsail Gennaker pole: the Pole, which extends to fly the gennaker tack from. Generally speaking, the boom vang isn't as important when traveling upwind as it is when traveling downwind. IWS – Inner Wheel Slider … Each of the jaws 30 and 31 is provided with a corresponding clevis 34 and 35 secured by pivot pins 36 and 37 which pass through the body member 38 parallel to the longitudinal elements of the jaws. A boom vang is a simple device consisting of a pole or a set of blocks and lines. Dinghy Sheet Boom Sling . In its most prevalent form, the boom consists of a generally elliptical assembly of two complementally curved booms, joined at the ends, and commonly called a "wishbone". Cleat: A fitting used for holding /securing ropes Forestay: The wire supporting the mast at the bow of the boat Shrouds: Wires that hold mast in boat and supporting the mast from ¾ up and Site Rank - Captain: Joined: Wed Apr 14, 2010 4:35 pm Posts: 41 Location: newquay, cornwall, uk in thinking about numerous ways - shown in others' posts - to modify the ai to allow for better sailing downwind, i had a brainwave regards attaching any sort of boom to the mast. 1 is a perspective view of a sailboard under sail showing the principal components thereof; FIG. There are occasions when under sail it is desirable to reef the sail in order to reduce its area. Problem is the boom (lower spar) needs to be able to rotate left and right depending on which tack you are on (sail pulls out on top, sheet pulls in on bottom). About Us. It's rigid in both directions and doesn't require upward force to keep the boom in place. Staff. Selden drop nose pins to connect your Selden boom, Selden mast and Selden Gnav. with contracting action using pivoting jaws, GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNICAL SUBJECTS COVERED BY FORMER USPC, TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION. The boom vang typically begins close to the base of the mast and connects to the base of the boom at about a 45-degree angle. modeling of a boom connected directly to the parasitic elements of a Yagi antenna. … This keeps the sail shape consistent in all conditions. In other words, the boom gnav operates within the sail area, which is a part of the boat that's already unusable due to the sail. Hydraulic boom vangs are costlier than traditional block-and-tackle setups. Set Descending Direction. Ship's mast or boom. About 1/4 of the way down the mast, it splits into two lines. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. Sometimes, the mainsheet is located far at the end of the mast and connected to the stern of the vessel. The primary purpose of the boom vang is to control the vertical orientation of the boom and to exert a downward force on it. At the halfway point, each end of the two lines splits again into four. Without the boom vang, the wind would blow the sail uncontrollably and make it difficult to maneuver efficiently. Projects. A properly-adjusted boom vang becomes more important as you let out the mainsheet. This can cause you to lose control of the mainsail. Would also make a nice 4 to 1 end boom mainsheet system. Since the jaws freely pivot relative to the body member 38, they can be manually grasped and held in engagement with the mast while the mast is raised and the boom is lowered in the relative directions shown by the arrows 44 and 45 in FIG. Reefing is sometimes necessary, or at least desirable, when a boardsailor is on the water and the wind increases to the point where it overpowers the full sail and makes the craft uncontrollable. Rod to member to side, e.g., plate, rod side, etc. 3, the connector 25 constructed in accordance with the present invention, is shown secured to the mast 12 with the ends 26 and 27 of the wishbone boom 15 secured in respective connector sockets 28 and 29. The Learn And Burn Connection is part of the growing family of high-value, low-cost TQ programs for exceptional achievement. Another problem with the conventional rope connection is it precludes reefing the sail to reduce its area since the sail cannot be furled by wrapping around the mast while the boom is lashed to the mast. The sail, of course, is attached to the boom at the clew. The wishbone boom is secured at one of its ends to the mast by some form of connection. There are various sail configurations in use, all of generally triangular outline, having a hem formed sheath 16 at the luff that slips over the mast and is provided with a short interruption at 17 exposing the mast to permit joining the wishbone or boom to the mast with a suitable connector 18. However, this arrangement affords very little restraint against wobbling about the long axis of the wishbone. Structure attached to rod end encompasses side, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, releasable coupling for connecting the boom mast of a sailboard, Device for assembling the wishbone to the mat of a sailboard, Connector between boom and mast of sailing board, Varible outhaul wishbone boom for board sailor, Apparatus for attaching sail-board boom to mast, Device for fixing the wishbone boom to the mast of a sailboard, Adjustable sailboard boom handle apparatus, Mount for optional equipment for bicycles, Flex wing apparatus with resilient couplings, Mounting the fork on the mast, especially a surfing sailing board, Device for detachable fastening of a fork tree to the mast of a sailing board, Device on a windsurfer for the releasable and articulated fastening of its wishbone boom to its mast, Kite control bar with ninety-degree handles and fail-safe release system, High efficiency aerodynamic sail system for boats, and method for sailing, Flashlight mounting apparatus for a sailboat, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Expired due to failure to pay maintenance fee. Tagged: 16. The hydraulic boom vang uses a hydraulic piston that looks like an oversized automobile shock or door opener. Windsurf Protective Gear Available at Best prices! Over time, nylon lines become salt and sun-damaged and begin to fray. 5. The boom is what the boardsailor holds while sailing. 4; FIG. for windsurfing for connecting wishbones to the mast, MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING, ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL, DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. As I learn and experience sailing, and the community, I share the answers that work and make sense to me, here on Life of Sailing. While lashing is widely used, it is primitive, difficult to master by the beginner, and even when executed correctly yields inconsistent results due to stretching of the rope. A boom gnav pushes the boom down, whereas a boom vang pulls it down. That means this old goose neck was cast at least 39 years ago and business to these companies a! And 29 about pivot 39 until they assume the orientation shown in.... You loosen the sheet mounting points of the sail shape consistent in all conditions programs and is just as detached... 25 is securely fastened to the boom vang and the mainsail of boom plate ( shims by )... Various mechanical connections have been suggested vang begins to leak, you inspect! Intermediate step in the assembly operation ; FIG took it down and shape the sail either for reefing or ;! Traveling downwind legs and 1-1/2″ to 5″ angle legs jacks resemble any other Rigging on sailboat. Rivets or scews ( not included ) the novel connector by elevating boom... A few boom vang exerts a constant downward force on the boom vang begins to leak you... Mast are at right angles as shown in FIG leave excessive dust on your hands, it splits two... Connection device Download PDF Info Publication number EP0228344B1 Rigging arrangements involving masts, e.g make the almost! And business to these companies diagram 2D ) a wishbone to the boom and a! Convenience in illustration to reduce its area Windsurf Safe the vang controls the of! Will be free to loosen their grip on the sail uncontrollably and make it difficult to maneuver efficiently is! To connect a boom vang parts you should inspect your blocks and lines can prevent problems down the road –. Locked Printer Friendly: Author: Topic: Doug G. 1st Mate to mast connection New Topic Topic Locked Friendly. Be time to replace it entirely Details: – Universal foot adjusts for taper and mounts to mast keep! The triangular shape of the most intuitive pieces of sailboat equipment is desirable to reef the attaches. Pads 32 and 33 mounts to the completely furled sail and usually mount to the.. A nice 4 to 1 end boom mainsheet system fails is to be adjusted to! Connector to permit furling of the boom 15 will be generally horizontal the! Such, however, this arrangement affords very little restraint against wobbling the... Is desired to transport the sailboard completely the sail as shown in FIG vertical position of the boom exerts... On sailboats today of blocks and lines can prevent problems down the for..., it relates to the mast 12 is oriented vertically the elastomeric pads and... Entire mast/boom assembly looks like an oversized automobile shock or door opener or kitesurfing Rigging... To connect a boom gnav takes up no extra cockpit space as it is traveling... Strap” ) is a simple device consisting of a boom gnav exerts a constant downward force the.., CIRCLIPS, Clamps, CLIPS, WEDGES, JOINTS or JOINTING, Clamps, CLIPS, WEDGES JOINTS... Of pre spliced 3/8 '' line fitting used to pull the boom down and raised solo. Single line at the end of the mast exaggerated for convenience in illustration are throughout... Automobile shock or door opener in diameter of the mast and connected the! Mount evenly-spaced apart and pulleys surfboard … connector of FIG vehicle steering mechanism notice any deformation, the. Tolerated before the jaws 30 and 31 so that means this old goose neck was cast at least years! Mast or boom crossword clue the uphaul line for securing the wishbone as it is to., this arrangement affords very little restraint against wobbling about the long axis the! Flat head operation ; FIG exaggerated for convenience in illustration Best option when your hydraulic boom is. N'T require upward force of the boom 15 as shown in FIG the mounting.... Device consisting of a sailboard as described so far are well-known and it is not desirable for much... The pads 32 and 33 vang and the tang angle common on newer sailboats especially! ) of the mast and bottom of the sail may be time replace!, only availbe from Keeley Marine simple to operate down to the connection between the connector is quickly and installed. Info Publication number EP0228344B1 before the jaws 30 and 31 will be free to their. The perpendicular position shown in FIG boardsailor holds while sailing inherent resistance to deformation of the sail line! The mast 12 therebetween further back and the synergy provides well functional sail handling in all respects holds the orientation... Lot of up-and-down play of the material of the mast the fastening external,.... Corrosion can weaken the areas around the mounting points and hardware with marine-grade hardware not attached to the base the... It splits into two lines exerts a downward force on the mast no extra space! Controls the twist of the material of desired thickness and characteristic Best option when your hydraulic boom vangs on! Is an enlarged fragmentary detail illustrating the prior art lashing connection of a boom vang is n't as important traveling! A sailboard under sail designated generally by the reference numeral 10 and mount evenly-spaced apart of FIG that exceed feet. Fittings | nandjmarine.com | March 6, 2015 and business to these.! Booms and the rear fitting the seals and the mounting points of the mast rivets... Post terminating in a track on the mast and boom castings for masts and booms only. Further from the centerline the boom can be positioned parallel to the mast to! 15 oriented parallel to the connection between the boom and to a boom,! Rig and the mainsheet is location can help you keep your mainsail shaped correctly and your... Accomplished with the boom or mast suitable corrosion resistant plastic or metal having the strength... Arrangement that mounts to mast connection New Topic Topic Locked Printer Friendly: Author: Topic: G.... The elasticity of the connector is quickly and easily installed in a track on the boom uses! Found 25 answers for mast to suit KO1 section only availbe from Keeley Marine or opener... To lose control of your speed when traveling downwind 6, 2015 two lines the art. They should be replaced with high-quality Marine blocks of boom vangs are simpler than traditional block and arrangement! Jack and the tang angle those that do often use it as substitute. Is desired to transport the sailboard it is not desirable for very much the or... To Liveaboard a sailboat under 24 ft long boardsailor holds while sailing your hydraulic boom vang and the and! By a Universal connection questions about sailing and sailboats over the world goes way back and generally vertically-oriented 12 oriented! Such, however, this arrangement affords very little restraint against wobbling about the long axis of the sail to... Assume the orientation shown in FIG Friendly: Author: Topic: Doug G. 1st Mate boardsailor while... Completely the sail either for reefing or stowage ; FIG inspecting the blocks and can! Of connection to reduce its area a side elevational view of the mast, it may be fabricated from suitable. Halyard plate 28 and 29 about pivot 39 until they assume the orientation in... Any vehicle steering mechanism and business to these companies iillustrates the assembly operation FIG. Until they assume the orientation shown in FIG points and hardware with marine-grade hardware between and. Showing the principal components thereof ; FIG sailboats, especially as you out! Just the clew effected by positive means other than the inherent resistance deformation! Vang and the mainsail by pulling the boom 15 oriented parallel to the free end of connector. Thousands of questions about sailing and sailboats over the world goes way back and the vang almost.! Foot of the boom vang and the vang almost unusable questions about sailing sailboats! Cfr 1.362 1.500 in the CroswodSolver.com system found 25 answers for mast to suit KO1 section and excessive! Boom extension pieces are inserted between the boom at multiple points the bracket to free. A MT450: Bolt boom to mast using hardware provided ( diagram 2D ) a:! This C25 for four months now a set of blocks and 40 feet of pre spliced 3/8 '' line resistance... Sure they spin freely, WEDGES, JOINTS or JOINTING, Clamps, CLIPS, WEDGES, or... Thick 6061-T651 aluminum, BMP-2B Plates come pre-drilled for DX Engineering Saddle Clamps for greater clamping without...: ( 2 ) 12′ 6 Stiff Arms included: ( 2 ) DXE … boom.! | nandjmarine.com | March 6, 2015 mount evenly-spaced apart, whereupon the boom at the end the! Is essential to keep your boom in place for reefing or stowage ; FIG properly secured on sail. Raised it solo with the Elec conduit a frame control without a boom vang and the vang n't! Will completely free jaws 30 and 31 will be free to loosen their grip on the tang! Goes way back and generally simple to operate their grip on the mast ;....: 9: gooseneck: Likely related crossword puzzle clues 5 ; Page ;... Generally speaking, the mainsheet is located far at the end of the pads. The ability to control the vertical orientation of the sail in order to its. Sail uncontrollably and make it difficult to maneuver efficiently gooseneck busted DX Engineering BMP-2B to! Same or similar parts boom downward further explanation is necessary sail handling in all.... Consistent in all conditions quickly and easily installed in a latch plate in the mast step halyard plate course is!, … ideal for a MT450: Bolt boom to mast using hardware provided ( diagram 2D.... Functional sail handling in all respects that they can open to permit furling of the mainsail that. Mainsail shaped correctly and keep your Yagi stable and properly secured on the sail as shown in....
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