Buying a boat is only half the battle, because it has to be delivered to the water somehow. This is where the boat trailer comes on the stage, which becomes your true companion on any trip to fishing or vacation. A well-chosen cart not only facilitates transportation, but also ensures the safety of the boat hull for many years of operation.
Many beginners make the mistake of buying the first option they come across or trying to build a design on their own without taking into account weight specifications. The right choice Depending on a variety of factors: the size of the boat, the type of engine, the material of the hull, and even the condition of the roads in your area, errors in the planning stage can lead to a problem with the GIMS or, worse, to an emergency on the track.
In this article, we will discuss in detail all the nuances, from choosing the type of frame to installing a winch. You will learn how a galvanized trailer differs from a painted one, how to calculate the total mass and what you should check before buying used equipment. Attention to detail This will save you significant money and avoid costly repairs in the future.
Types of constructions and materials of manufacture
The current market offers two main types of designs that are radically different in their performance and durability: the first option is ferrous metal frames coated with protective paint or enamel, which are usually cheaper but require constant maintenance, as they are prone to corrosion when in contact with salt water or just when stored outside for long periods.
The second, more reliable option is hot-dipA zinc-covered boat trailer is virtually non-rusting, can withstand aggressive environments and lasts for decades without losing strength. The price difference between a dyed and galvanized product can be significant, but in the long run, zinc wins by all means.
⚠️ Warning: If you plan to lower the boat into salt water, using an ungalvanized trailer is strongly discouraged. The salt will instantly destroy the protective layer of paint, and the frame will begin to rot from the inside.
The designs are also divided by the type of support for the boat, there are models with keel rollers that allow you to start the vessel deeper, and models with pads (buckets) that provide better fixation of the hull. Loginmental The options are considered more modern and thrifty for the case, especially if we are talking about fiberglass or aluminum.
Dimensions and load capacity
Determining the right size is a critical step: the trailer should match the length of your boat with the stock. The standard formula is that the platform should be 15-20% longer than the length of the vessel, which is necessary for the nose stop and transom fixation to be properly installed.
Equally important is the total mass, which is the weight of the boat itself, the weight of the outboard motor, the fuel in the tank, and the weight of the extra equipment. Load capacity The chassis must exceed this amount. If you exceed the permissible weight, this will lead to rapid wear of the bearings of the hubs, deformation breathed and possibly a failure of the axle.
Always weigh a boat with an engine and a full tank on the scale before buying a trailer to know exactly the required load capacity.
Small inflatable boats often use single-axle models, whereas heavy boats and large hard-bottomed PVC boats require biaxial variants. tandem Provides better road stability and less pressure on the vehicle’s coupling.
| class | Boat length (m) | Recommended length of trailer (m) | Type of axis |
|---|---|---|---|
| Inflatable (PVC) | up to 3.5 | 4.0 - 4.2 | monoaxial |
| Aluminum/Plastic glass | 3.5 - 4.5 | 5.0 - 5.5 | monoaxial |
| Boat/Large PVC | 4.5 - 6.0 | 6.5 - 7.0 | Uniaxial/Tandem |
| heavy boat | more than 6.0 | more than 7.0 | Two-axis tandem |
Key elements of tooling
Comfort and safety depend on the quality of the components installed. The winch is the central element, which allows you to pull a heavy boat onto the platform. Mechanical winches are reliable but require physical effort, whereas electric models greatly facilitate the process, but depend on the battery charge of the car.
Keel rollers and side wobbers are critical, and they take the bulk of the boat when it's moving, and quality rollers are made of rubber or polyurethane that don't scratch the hull. Metal rollers You can not use without rubber coating, as they will damage the paint and gelcoat at the first vibration on the road.
⚠️ Attention: Check the bearings in the hubs of the wheels regularly, the lubrication must be fresh and the anthers intact, and water entering the hub will cause the wheel to jam on the track.
Also (not to be ignored) is the quality of the lighting and electrical wiring. The trailer is constantly exposed to moisture, so all contacts must be securely insulated and the lights sealed. Often the regular wiring has to be modified using thermal shrinkage and quality connectors.
How do you extend the life of bearings?
After each trip on salt or dirt, it is recommended to wash the hubs with fresh water. For this, many experienced owners install special caps (EZ-Lube), which allow you to apply lubrication and wash the knot without disassembly.
GIMS requirements and registration rules
Russia has strict rules regarding the registration of water transport and its means of towing. According to the legislation, boat trailers with a maximum permissible weight of more than 750 kg are subject to registration with GIMS. If the mass is less, registration is not required, which makes life easier for owners of small craft.
However, even if registration is not required, the trailer must meet safety requirements, including lighting, catafots, a license plate (if weight > 750 kg) and a serviceable coupling device. State numberIf required, it shall be clearly legible and not covered by structural elements or load.
☑️ Checking before getting on the water
When you buy a new trailer, you get a PTS (vehicle passport) that you need to register. If you buy used equipment, it is important to check the presence of all documents and the VIN number on the frame for the data in the documents. The absence of a PTS will make registration impossible, and operation illegal.
Installation and configuration of equipment
After purchase, the correct positioning of the supports is often required. The keel roller should be positioned so that the bow of the boat rises above the breather, but does not rest on the winch when moving. The lateral plazaments are adjusted in width, ensuring a symmetrical weight distribution.
To install the winch usually requires drilling holes in the front of the frame or using standard fasteners. It is important to use fasteners of strength class at least 8.8 to avoid cutting bolts under load. Insurance cable Winches should always be fastened to the boat while driving, even if the main cable is pulled.
Proper tuning of the supports prevents the boat hull from vibrating when moving, which saves the transom and motor from premature destruction.
If you are installing additional accessories, such as a spare wheel or equipment drawer, make sure that this does not break the dimensions and does not shift the center of gravity too much back.
Trailer maintenance and care
The durability of your equipment depends on the regularity of maintenance, and after every trip, especially on winter roads with reagents or to the sea, the structure must be thoroughly washed with fresh water, which will wash away salt and chemicals, which are the main enemies of the metal.
Once a season, it is recommended to perform a chassis audit, which includes checking tire pressure, tread condition and lubrication of moving parts. Consistent lubrication for the hubs should be water resistant so as not to wash out when descenting the boat.
⚠️ Warning: Never leave a trailer with a loaded winch for long-term storage. The cable should be weakened to avoid loss of elasticity and the appearance of microcracks in the metal.
You also need to look at the condition of the rubber elements, the wobers and the keel roller, and if they get deep cracks or they get too tough, they need to be replaced, otherwise, when you move through irregularities, the hard roller will hit the boat hull, leaving dents.
Frequently Asked Questions (FAQ)
Do I need to register a trailer in GIMS if its weight is 500 kg?
No, according to the current legislation of the Russian Federation, towing means (trailers) with a maximum permissible weight of up to 750 kg inclusive registration in GIMS are not subject.
Can I carry other cargoes on the boat trailer?
Technically possible, but not recommended: Logs and rollers are not designed for flat loads, which can damage them, and sharp corners of other loads can scratch the frame, for versatility, it is better to purchase specialized removable logs or use a platform.
What speed is allowed when towing a boat?
According to traffic rules, when towing a trailer, the speed of movement on motorways should not exceed 90 km / h, and on other roads - 70 km / h However, given the sailing of the boat and the risk of resonance fluctuations, experienced drivers recommend not exceeding 80-85 km / h for safety.
How to properly store a trailer in winter?
The ideal storage is in a dry garage or under a canopy. If you don't have that option, be sure to remove the wheels (or jack up the trailer) to unload the tires, and cover the structure with a breathable awning. The winch mechanism is better preserved with lubrication.