Self-manufacture boat-carry It's not just a way to save money, it's also a way to create a design that's perfectly tailored to your body and your personal needs. Buying all-in-one solutions is often either too cumbersome or too unreliable, especially if you're planning long walks with your family or fishing in windy weather.
The process of creating a frame requires careful preparation, the presence of a certain set of tools and basic skills of working with metal. Aluminum alloysstainless steels such as the D16T or AMg5 are the preferred choice due to their lightness and corrosion resistance, although some craftsmen prefer to work with stainless steel for maximum strength. In any case, competent load calculation and proper assembly will ensure the durability of the product.
In this article, we will discuss in detail all the stages: from design and selection of materials to final painting and installation. tent-structureYou will learn how to avoid common mistakes when welding or assembling on bolts, what nuances to consider when working with polycarbonate Or fabric, and how to turn an ordinary pleasure boat into a comfortable boat for resting on the water.
Selection of materials and design of construction
The first and most important step is to determine the geometry of the future. targetYou should not blindly copy the blueprints from the Internet, because each boat has a unique transom width and shape of the board. The optimal height of the structure is usually 1.5-1.8 meters, which allows an adult to sit comfortably under the awning without touching the head of the bar. The width should correspond to the width of the boat in the cockpit area or be slightly narrower, so as not to disturb the streamline.
When choosing a material, weight/strength ratio becomes a key factor; aluminum pipes (round or profile) are much lighter than steel pipes, which is critical for light inflatable boats or small "kazak". stainless steel The AISI 304 or AISI 316 will provide phenomenal resistance to impact and load, although it will make the boat heavier. For budget options, it is often used conventional black rolled steel, but it must be protected from rust.
⚠️ Note: When calculating the size of the range, be sure to take into account the height of the tallest crew member and the height of the seats. Too low a bar will create discomfort, and too high can become the center of sailing, worsening the handling of the boat on the wave.
You can use specialized software or even simple graphics editors to visualize the mounting nodes, and it's important to determine in advance where the pipes dock: whether they will be welded at an angle, connected by fittings or pulled together by bolts. Precision of the drawing It directly affects the amount of metal waste and the complexity of the assembly.
Required tools and workplace preparation
Quality of manufacture tent-frame It depends on the equipment you use. To work with metal, you will need not only a standard set of metalworking tools, but also specialized equipment for cutting and connecting parts. If you choose aluminum, make sure that your welding machine supports argono-arc welding (TIG), since conventional electric welding for this metal is not suitable.
Workplace organization is also important, and you'll need a flat area or workbench where you can decompose the elements to test the geometry before the final assembly, and avoiding skewing during the markup phase will save you hours of fitting the parts during the boat installation process.
- 🛠️ Cutting tools: a corner grinding machine (Bulgarka) with metal discs, a hacksaw on metal with a small-dented cloth or a tape saw machine for accurate pipe cutting.
- 🔩 Fixing and fixing: rods of various sizes for temporary fixation of pipes, roulette, coal mine, metal marker and core.
- 🔥 Welding and processing: welding machine (MIG / MAG for steel, TIG for aluminum), filets, sandpaper of different grains and polishing circles.
Keep in mind personal protective equipment, and metal work involves the formation of sharp shavings, sparks and harmful dust. Safety glassestight gloves and respirator should be worn necessarily, especially when grinding welds or working with polymeric.
Use magnetic coal miners when welding – they allow you to fix the pipes at an angle of 90 degrees without the help of third hands, which greatly simplifies the assembly of complex nodes.
Assembly technology: welding and bolt joints
The most critical stage in the construction of the frame is the decision of the entire structure. There are two main approaches: welding a single frame or bolting with special fittings. Welding provides monolithicity and no backlashes, but requires high qualification and is impossible in the field. Bolt joints allow you to disassemble. targu for transportation or storage, which is important for owners of trailers with limited dimensions.
If you choose a welded version, first assemble the frame "on the hens." Check the diagonals and angles. Only after making sure the geometry is correct, you can cook the seams completely. For aluminum, it is critical to degrease the edges and use a filler rod of the same brand as the base metal (for example, the use of a single rod). welding-wire).
☑️ Checklist for welding preparation
When using bolt joints, the holes must be carefully treated. The edges should be smooth, without barbs, so as not to damage the thread of the bolts and not to injure the hands during installation. It is recommended to use stainless steel bolts with a strength class of at least 8.8, be sure to use grover washers or a thread fixer.
⚠️ Warning: Never cook on weight without a reliable fixation. The thermal expansion of the metal can cause the entire structure to deform, and eventually, targa will stand on the boat with a skew, which will make it impossible to uniformly tension the awning.
Corrosion protection and finishing
The aquatic environment is aggressive against all metals, so the issue of corrosion protection needs to be given special attention. stainless steel It can be subjected to spot corrosion in welds where the structure of the metal is disturbed. Aluminum oxidizes to form a protective film, but electrochemical corrosion can begin in salt water or in contact with other metals.
Ferrous metals require sandblasting or thorough cleaning to shine before painting. The best choice for marine conditions is epoxy soils and two-component polyurethane enamels, which create a strong, chemically resistant coating that is resistant to ultraviolet and mechanical damage.
| Type of coating | Difficulty of application | Resistance to UV | Duration of service (years) |
|---|---|---|---|
| Powder paint | Tall (camera needed) | Great. | 10+ |
| Epoxy soil + enamel | Medium | Good. | 5-7 |
| Oil paint | Low. | Low. | 1-2 |
| Anodizing (Al) | Tall (special bathtub) | Great. | 15+ |
If you use aluminum-targueConsider anodizing, which is an electrochemical process that creates a strong oxide layer on the surface of the metal, but it's difficult to do anodizing at home because of the need for large baths and acids.
The Secret to Long-Term Painting
Before applying the finishing layer, be sure to degrease the surface with acetone or a special solvent. Even fingerprints can lead to peeling of the paint after several months of use.
Manufacture and installation of awning coating
Once the frame is ready and painted, it is the turn of the "clothing" for your boat. The awning serves a dual function: protects from the scorching sun and saves from sudden rain. Oxford (Oxford) or avisentThey're light, they dry quickly and they don't rot.
When cutting the fabric, it is important to leave allowances for seams and bending. The seams should be made in a double line using reinforced threads (for example, LL or Capron) resistant to ultraviolet light. All joints should be additionally glued with a special tape or smeared with a sealant for seams to prevent leaks.
Tent attachment to targe The simplest way is to use rubber harnesses or elastic hook cords through luvers, and the more aesthetic and reliable way is to tailor a frame-shaped case with Velcro straps or tiers, which eliminates the sailing effect and the noise of clapping in the wind.
- ☀️ Sun protection: Choose a silver-colored fabric with a reflective coating, it best reflects the sun's rays and reduces the temperature under the awning.
- 🌧️ Water disposal: Provide a small roof slope so that rainwater flows overboard rather than accumulating in the center, forming a heavy "bubble".
- 🔧 Repairability: Make the front part of the awning removable or folding so that it can be quickly folded targu If necessary, pass under the bridge or lock.
⚠️ Warning: Do not use conventional cotton fabrics or tarpaulin without special impregnation to sew the awning; when wet, they become heavy, dry for a long time and quickly become covered with mold, which can spoil the appearance of the entire structure.
A high-quality sewn awning with the right cut not only protects against bad weather, but also significantly improves the aerodynamics of the boat when driving for an outboard motor, reducing fuel consumption.
Installation of additional equipment
One of the main advantages of homemade target The upper bar is ideal for mounting navigation lights, running lights, or even a small spotlight for night fishing, which frees up space in the cockpit and provides a better view.
You can also attach rod holders, GPS navigator, sonar or radios to struts or crossbars, and when you design, you can place mounts in advance by welding the backs or drilling holes, and you don't have to drill the pipes in uncomfortable positions later.
For long-term parking, installing solar panels on the roof of the awning will be relevant. Lightweight flexible modules can be glued directly to the fabric or fixed on a rigid basis (for example, a sheet). polycarbonate), which is then fixed to the frame, which will allow the batteries to be charged during the day, keeping the refrigerator or electric motor running.
Frequently Asked Questions (FAQ)
What is the minimum pipe diameter required to target a 4-meter boat?
For a boat with a length of 4 meters, the optimal choice will be an aluminum pipe with a diameter of at least 30-40 mm with a wall thickness of 2-3 mm. If steel is used, you can take a profile pipe 20x40 mm or 25x25 mm, but the weight of the structure will be much higher. The main thing is to ensure resistance to wind load on the tent.
Can I make a collapsible targa without welding?
Yes, it's very real. There are special fittings (teeth, corners, turns) for round and profile pipes that allow you to assemble the frame on the bolts. You can also use the method of bent pipes, then docking and fixing with clamps, although the reliability of such a connection will be lower than that of the weld.
How to calculate the sailing of a homemade tariff?
The exact calculation is complicated, but empirically the awning area should not exceed 30-40% of the area of the projection of the boat hull on the water. To reduce sailing, use mesh fabrics or provide holes for wind exit. In high winds (more than 10-12 m / s), the awning is better removed or folded.
Do I need to ground the aluminum targa?
In lightning protection, yes, it's desirable if you're often out in the open water in a thunderstorm, but in most cases, pleasure boats don't, relying on the fact that the mast and awning are not the highest point on the pond, the main thing is to ensure good electrical contact between all parts of the structure, if it's assembled from individual elements.
Is it better to fasten the awning: luvers or Velcro?
Luvers are more reliable in high winds because they provide tight fixation. Velcro straps are more convenient for quick removal and installation, but over time they lose their properties and can unbutton on the go. The best option is a combination of: luvers at the corners and perimeter for tension, Velcro straps or bands for fixing the cloth to the arcs.