Choosing an inflatable vessel three meters long is perhaps the most difficult stage for a novice boating. It is in this overall class that a collision occurs between simple "rowing mattresses" and full-fledged ones. rowboatThey're capable of holding the wave and carrying the payload with confidence. frigate From St. Petersburg has long established itself as a manufacturer offering the optimal ratio of price and quality, but it is not easy to understand the line of models.
In this article, we will discuss in detail what it is. The frigate 3.0Many people mistakenly believe that all three-meter boats are the same, but the design of the bottom, the quality of the seams and the type of transom dramatically change the performance. We will look at technical nuances that are often overlooked when you first look at the manufacturer's catalog.
The three-meter size is considered the “golden mean” for single or double fishing, which allows one full-ride fisherman or two water enthusiasts to comfortably accommodate, but it is here that hidden limits on engine power and load capacity lie, ignoring which can lead to trouble on the water.
Structural features and materials of the body
The basis of any inflatable boat is the material from which it is made. frigate It's a five-layer PVC reinforced fabric, and it's not just a glue, it's a complex composite, where layers of polyvinyl chloride alternate with a reinforcement mesh of polyester, and it's a very high-quality structure. tensile and resistance to puncture, which is critically important when in contact with a rocky bottom or snags.
The technology of seam assembly deserves special attention. two-stitch And then hot vulcanization, and unlike cheap ones, where the seams are simply lathered with glue, it's chemically welding the layers, which makes the joint almost monolithic, and this eliminates the stratification of the material even in long-term use under load and in conditions of temperature difference.
⚠️ Warning: Despite the high strength of the seams, do not leave a fully pumped boat under direct sunlight for a long time. The pressure of the gas inside the cylinders grows faster than the structure can withstand, which can lead to deformation or rupture of the valves.
Model cylinders Frigate 3.0 This is a safety standard that is mandatory for all certified craft, and in the event of mechanical damage to one of the cylinders, the other will keep the vessel buoyant, allowing the crew to safely reach the shore, and the cylinders in three-meter models are usually 36 cm in diameter, which ensures good stability.
Bottom options: Inflatable vs. Aluminum
One of the big questions you have to ask is the type of bottom. Frigate 3.0 The buyer is offered a choice between an inflatable floor of the NDNDM (low pressure) and a paiole aluminum floor, each with its own advantages and disadvantages, affecting the ultimate purpose of using the boat.
Modifications with NDMA (Low Pressure inflatable floor) are the fastest assembled ones, so you don't have to spend time laying sleighs or connecting aluminum sheets, just pump the cylinders and the bottom, and the boat is ready to go down, and these are the easiest models to transport in the trunk of a passenger car, because the package is more compact and soft.
In turn, the boats from flat-floor They provide a stiffer platform. On a hard bottom, it's easier to stand while spinning, it's less slapped under human weight. Aluminum conducts heat better, but when combined with insulation mats, it's no longer a problem. Hard flooring also allows you to achieve higher speeds for an outboard motor without the effect of "slapping" the bottom on the wave.
- 🚣 Assembly speed: NDND is collected in 5-7 minutes, the solder version requires 15-20 minutes for the floor layout.
- 🎒 Transport: The inflatable floor is lighter and more compact, aluminum adds weight and takes up more space.
- 🎣 Comfort of fishing: The aluminum floor is tougher and more stable, the inflatable floor is softer, but can bend with sudden movements.
Tran and compatibility with motors
The trawler is the back of the boat, which takes on the traction force of the engine. frigate It uses a 12 mm thick water-resistant plywood transom (in some versions up to 18 mm) reinforced with fiberglass linings, which can withstand considerable loads but has its own engine power limitations.
For the model Frigate 3.0 The optimal is a motor with a power of 2 to 5 hp. Installation of an engine with a capacity of 6 hp and above is possible, but already requires very careful handling and full loading of the boat for proper centering. Exceeding the recommended power can lead to excessive differentiation on the stern, when the bow of the boat is uplifted and the transom begins to go under water.
An important element is the availability quilt The Kielson distributes the load from the engine and the weight of the passengers, preventing deformation of the bottom (the hammock effect). In models with NDND, the quill is often integrated into the inflatable floor design, whereas in the solder versions it is a separate element of rigidity.
Can I bet 9.9 hp on the Frigate 3.0?
Formally, some modifications allow the engine to be installed up to 9.9 hp, but this is an extreme mode. A boat 3 meters long at this power will become uncontrollable on planing, and the risk of breaking the wave and getting hit by the body against the water (poroizing) increases many times, which is not safe for the crew.
Ergonomics and interior equipment
The interior space of the three-meter boat is limited, so ergonomics plays a key role. Seats (banks) into Frigates are usually made of plywood with soft pads or in the form of inflatable cushions, they are attached to special pockets on the sides, which allows you to adjust their position along the cockpit depending on the weight distribution.
On the sides are located jolly-holder The quality of the fittings directly affects durability: plastic elements must be frost-resistant and metal elements must be coated with anti-corrosion composition. New models often feature reinforced carry handles, which makes it easier to transport the boat to the water.
Additional options are important for fishermen, such as the ability to install A trans-electric motor or a spinning mount. frigate They often complete or allow the installation of transom wheels, which greatly simplify the movement of the boat along the shore in the assembled form, this is especially true for single models, when you have to drag the boat alone.
☑️ Pre-purchase check
specifications comparison table
To systematize information and help with the choice of a specific modification, we will compare the main parameters of popular versions. Frigate 3.0The data may vary slightly depending on the year of issue and the specific series.
| Parameter | Frigate 3.0 (Basic) | Frigate 3.0 M (floorboards) | Frigate 3.0 NDN |
|---|---|---|---|
| Length, cm | 300 | 300 | 300 |
| Width, cm | 136 | 136 | 136 |
| Load capacity, kg | 450 | 500 | 450 |
| Boat weight, kg | ~32 | ~38 | ~34 |
| River power, engine power, hp | 2-5 | 2-6 | 2-5 |
As you can see from the table, the aluminum floor (M) version is better off in terms of load capacity, but it is worse off in terms of weight. The basic version and the BND are lighter, but require more careful attention to the distribution of cargo. The choice of the particular model should be based on whether you plan to use the boat for short trips light or for many hours of fishing with more equipment.
Operation and care of PVC
Term of service PVC After each operation, especially in salt water or muddy (dirty) environment, the boat must be rinsed with fresh water, salt and silt aggressively affect the material and fittings, accelerating wear and tear, drying should be carried out in the shade, without the use of heating devices.
When storing in winter, it is important to observe the temperature regime. frigate They can withstand frosts up to -30 ° C, bend and pack a frozen boat is absolutely impossible - the fabric becomes brittle. The vessel should be packed at room temperature, completely dried to avoid mold and unpleasant smell.
Use talc or a special powder to treat the inner surface of the cover and valves before long-term storage. This will prevent layers of material from sticking together and make it easier to pump the boat into the next season.
Check the pressure in the cylinders with a pressure gauge on a regular basis.less than 0.2 atm) causes deformation of the structure on water and increased wear of the seams, and excessive (more than 0.25-0.28 atm) creates a risk of rupture when heated in the sun.
⚠️ Warning: Never use gasoline, acetone, chlorine-containing solvents or abrasive sponges to clean PVC, which destroys the top protective layer of the polymer, making the material vulnerable to ultraviolet light and mechanical damage.
Frequently Asked Questions (FAQ)
What is the real speed of the boat Frigate 3.0 with a 5 hp engine?
With one adult (about 80 kg) and a minimum cargo boat Frigate 3.0 with the engine 5 hp comes to planing and develops a speed of about 18-22 km / h When fully loaded, the speed drops to 10-12 km / h, and the boat goes in displacement mode.
Can I use a boat in winter for fishing?
Yes, PVC material retains elasticity at low temperatures, but you need to use special freeze-resistant valve lubricants and be very careful when pumping and assembling in the cold so as not to damage the material with sharp edges of ice or equipment.
Do I need to register a boat with GIMS?
According to the legislation of the Russian Federation, inflatable boats weighing less than 200 kg (including engine weight) and engine power less than 8 hp (5.88 kW) are not subject to registration. Frigate 3.0 Low-powered motors usually fit these guidelines, but always check the current rules for your area.
How to seal the boat in the field?
The kit is always a remake with a piece of fabric and glue. For quality repairs at home, it is better to use two-component polyurethane adhesive (for example, 88-NP or specialized adhesives for PVC) and the same fabric from which the boat is made.
The Frigate 3.0 is a one-stop, two-person solution, and the right choice between an inflatable floor and a hard bottom will determine your comfort, and compliance with the rules of operation guarantees years of service.