Transporting inflatable boats is often seen as a simple task, requiring no complex equipment, but owners of boats longer than 3.5 meters and powerful engines know that carrying a heavy cockpit in the trunk is a dubious pleasure. dumperIt's a game-changing approach to water logistics, allowing a vessel to be launched and lifted without human intervention, and it's not just a wheeled cart, but an engineering solution that combines lightness of design and functionality of cargo machinery.
The idea behind this is that it can be forced or gravitationally tilted, allowing the boat to slid into the water under its own weight or with minimal traction, unlike the classic trailers, where the boat has to be pushed by hand or used in the opposite direction. dumper This makes launches and recovery virtually automated, and this is especially true for anglers, who often act alone and value every minute of the day on the pond.
Choosing the right model requires an understanding of the frame design, the type of steel used and the features of the rollover mechanism. Incorrectly selected equipment can lead to damage to PVC tubes or difficulties in registering with the GIMS. In this article, we will discuss in detail how the structure is designed. tip-overWhat are the types of pawns and what to look for when buying, so that your holiday is not overshadowed by technical problems.
Design features of dump trailers for inflatable boats
The foundation of any quality trailer is a frame that in dump truck models experiences increased loads due to the mobility of the structural elements. Most often, a profile pipe of square or rectangular cross-section, treated with hot galvanizing to protect against corrosion. The key difference from static models is the presence of a movable joint between the breather and the main platform or the presence of a complex system of levers that allows you to change the angle of the bed.
The rollover mechanism can be implemented in several ways, each with its own advantages: Hydraulic systems are rare due to weight and complexity, so the emphasis is on mechanical solutions. Leverage mechanisms This allows the operator to apply force at a point far from the boat's center of gravity, which greatly facilitates the process, and an important element is the locking system, which must reliably hold the platform in a horizontal position while driving on the highway.
⚠️ Attention: When using a dump truck, it is critical to check the condition of the lock pins and locks before each road trip.
Special attention should be paid to the coating of the pad. For PVC boats, it should be soft but wear-resistant material, often using impregnated carpet or special polymer rollers. Hard contact of the metal with the balloon is unacceptable, as when driving on irregularities or when descending on a steep slope, tissue damage can occur. Adjustable supports allow you to adjust the height and angle of inclination for a specific model of the boat, which is the standard for quality equipment.
Why is the geometry of the frame important?
The geometry of the frame affects the weight distribution, and if the center of gravity is shifted too far back, the breather will pick upwards, which is dangerous when braking, and if you're too far ahead, the coupling device will overload the car.
Types of rollover mechanisms and their effectiveness
The efficiency of the boat descent depends on the type of mechanism used in the construction of the trailer. The market offers several options, from simple gravity systems to complex mechanical actuators. Understanding the difference between them will help you choose the best option for your budget and physical capabilities.
The most common winch-power, where the rollover is by pulling the rope on the frame, the operator turns the collar, and the platform smoothly changes the angle of inclination. This is a reliable and predictable way to control the descent speed. Another option is inertial systems, where the tilt is by shifting the center of gravity when the hold is removed, but they require caution, because the boat can slip too sharply.
- 🚜 Hydraulic actuator A rare, expensive, but most comfortable option for heavy boats, requiring a minimum of effort.
- 🔩 Screwing mechanism Provides a smooth and controlled slope, eliminates jerks, often found in premium models.
- ⚖️ Leverage system A simple and reliable option where the force is transmitted through a long lever, requiring some physical force.
When choosing a mechanism, consider the weight of your boat assembled. For light PVC boats up to 200 kg, a simple lever system is quite enough. If you own a heavy rib or a boat with a powerful engine, you better look at models with a high-powered engine. screw-driven or additional support to avoid risking the integrity of the structure and your own health.
Comparison of materials: galvanizing against painting
Corrosion resistance for trailers in constant contact with water is a key issue. Manufacturers use two main methods of protection: hot galvanizing and powder coating, each with its pros and cons, which affect the durability and appearance of the product.
Hot galvanizing It provides chemical protection to steel, creating a layer that not only coats the metal, but also sacrifices itself, preventing rust from developing even when scratches appear. These trailers look silvery, sometimes with characteristic zinc flows, which is the norm for technology. The life of such a frame is calculated in decades even when used in salt water.
Painted trailers are generally cheaper and more aesthetically pleasing at the time of purchase, with glossy black or other colours. powder-paint It's just a barrier coating. (once) the layer is broken by stone or friction, focal corrosion begins to develop under the paint, which spreads rapidly. It's harder to restore a painted trailer than just cleaning and smearing zinc with galvanizing soil.
| Characterization | Hot galvanizing | Powder-coloured |
|---|---|---|
| Term of service | 20+ years | 5-7 years (unrepaired) |
| Resistance to salt water | High. | Low/Medium |
| Appearance | Technical, matte. | Aesthetic, glossy |
| Repairability | High (zinc spray) | Low (sandblasting needed) |
⚠️ Warning: If you plan to use a trailer in salt water (sea, estuaries), the choice should be unequivocal in favor of a hot-galvanized frame.
GIMS registration and legal aspects
Owning a trailer for the carriage of a boat imposes certain legal obligations on the owner. According to Russian legislation, any trailer with a permissible maximum mass of more than 750 kg is subject to mandatory registration with the GIMS of the Ministry of Emergency Situations and requires a license plate. For trailers weighing up to 750 kg, registration is not required, but the presence of documents confirming ownership is mandatory.
When buying a dump truck, it is important to make sure that it has Passport of the Transport Vehicle (PTS) Without this document, registration is impossible, and it is also worth paying attention to the presence of EAC certification, which confirms the compliance of the design with safety requirements. Homemade trailers, even well-made, can be registered with GIMS without undergoing a complex certification procedure for a single product.
The registration process involves a technical inspection, a VIN (broken on the frame) and a reconciliation of documents. The owner must provide a passport, a TIN, a sales contract and a check for payment of the state fee. After a successful inspection, you receive a certificate of registration of the vehicle and license plates. Ignoring these rules can lead to fines and delay of the vehicle.
☑️ Documents for trailer registration
Service and preparation for the season
And dumper It has been in service for a long time and has not failed at (the key point) of the season, it needs regular maintenance. Unlike a car, trailers often stand idle for months, which can lead to acidification of moving parts and degradation of rubber. Preparation for the season must begin well before the first trip to the water.
The first thing you need to do is check the bearing hubs. If there is a backlash or a hum when the wheel is rotating, the bearings should be replaced. It is recommended to lubricate them annually with a special lubricant for water equipment or completely change the oils. Also check the pressure in the tires - it should correspond to the norm indicated on the sidewall of the tire, usually 2.0-2.2 atmosphere for light trailers.
- 🛢️ Lubrication of the mechanism: all hinges, cables and rollover screws must be smeared abundantly with lithium or graphite lubrication.
- 🔧 FasteningCheck the tightening of all bolt joints, especially those holding the winch and the pads, as vibration weakens them.
- 🛡️ Protection: inspect the frame for chips and scratches, if necessary, treat them with anticor.
Don't forget about the electrics. The connector contacts are often oxidized by moisture. Use a contact cleaner spray and electrical grease to keep the lights running properly. A faulty turnaround on a trailer is a direct route to a penalty and increased danger on the road.
Keep the trailer indoors or under a tight awning in winter, lifting the frame on the stands to unload the tires and prevent them from deforming from standing for a long time at one point.
Popular models and tips for choosing
The market for trailers for water-powered vehicles is quite wide, and the choice of a particular model depends on your needs and budget. There are both universal models suitable for most boats, and specialized solutions. When choosing, focus on a load capacity that should exceed the weight of your boat with engine and equipment by at least 20%.
Among the popular manufacturers, there are models with adjustable gauge, which allows you to adapt the trailer to different cars, and the size of the pad is also important: it must be long enough to support the boat along the entire length of the keel, preventing the transompane from sagging. Dump trailers of MHSA Or similar factory solutions often become the number one choice due to the availability of spare parts.
When buying, pay attention to the quality of welds and painting (if any). The seams should be smooth, without burns and pores. The winch should be included or be matched with the appropriate power. Don't skimp on the support wheel - cheap plastic options quickly become unusable on the ground.
The ideal trailer for a PVC boat is a galvanized design with a mechanical rollover, adjustable padding and spare wheel in the kit.
Do I need to register a trailer weighing up to 750 kg?
No, according to the technical regulations, trailers with a permissible maximum mass of up to 750 kg inclusive do not require registration with the GIMS and obtaining license plates.
Can I make a self-driving machine myself?
Theoretically, it can, but it will require serious engineering and welding work, and the main problem is that there is no PTS for a homemade product, which makes it impossible to legally operate and register it.
What is the maximum length of a boat for a dump truck?
There are no length limits, but for boats longer than 5-6 meters, dump trailers become too bulky and difficult to operate.
How often should the rollover mechanism be lubricated?
It is recommended to lubricate the moving parts at least once a season, as well as after each contact with salt water, having previously washed with fresh water.