Any new budding boating that chooses a boat for fishing or recreation for the first time is faced with an abundance of incomprehensible acronyms. Model descriptions often contain abbreviations like NDND, ND, PD, or Slan. While the latter terms are relatively clear, the mysterious combination of the letters "NDNDND" can be confusing to the untrained buyer. Understanding this acronym is critical, because gender depends not only on the price of the product, but also on its weight, load capacity, and assembly speed.
In this article, we will discuss in detail, How to decipher the NDND boatAnd you'll learn about the technological features of a high-pressure inflatable floor, compare it to a classic sleigh, and see if it's the right model for your tasks. The difference in the water experience between these two types of floors is enormous, and the choice should be made conscious.
abbreviation NDMA It reads like "inflatable floor inflatable floor," although it's technically more accurate to talk about a dual inflatable structure where the bottom is an integral part of cylinders. It's not just an airbag, but a sophisticated engineering system that allows the boat to keep rigid at a minimum weight. Let's dive into the technical details.
Detailed decoding and principle of operation of the design
To understand technology, you have to break it down in parts. NDN The acronym for the boats is "Blow Bottom," and the repetition of the acronym indicates that the bottom of these boats is made of the same material as the side, and is pumped with air to high pressure. NDMA It is a rigid platform.
Inside the bottom material are thousands of vertical strands that connect the outer and inner shells of PVC. When you pump a boat with a high pressure pump (usually up to 0.6-0.8 atmospheres), these strands are pulled, creating a "hard board" effect, which is why you can walk on the bottom confidently in shoes without fear of falling over.
The design often includes kielson It's a longitudinal inflatable element that runs along the bottom, and it gives the boat stability and improves performance by cutting the wave rather than slouching on it with a flat bottom, which is a key difference from sleigh flat-bottomed flat-bottomed ones.
⚠️ Warning: Never leave a fully pumped boat with a bottom of the type of NDNDM in the direct sun on a hot day unattended. The air inside tends to expand when heated, which can lead to a critical increase in pressure and rupture of seams or material.
Technically, the process of creating rigidity is this: you pump the main cylinder, then through a special valve, air is fed into the intershell space of the bottom, the pressure there must be high to ensure the necessary rigidity. If the pressure is insufficient, the boat will lose its hydrodynamic properties.
Comparison of NDND and Slan: which to choose?
The main dilemma of the buyer is the choice between an inflatable floor and a hard sleigh (aluminum or plywood sheets). To help you decide, we have prepared a comparative table of basic specifications. Each type has its advantages depending on the use case.
Slate floors (aluminum sheets) provide perfect flat surface and maximum rigidity, allowing higher speeds with powerful motors, because they do not "play" on the wave, but the weight of such a boat will be much higher, and the build time will increase by laying the sheets.
| Characterization | Boat with bottom of NDND | Boat with sludge (aluminum) |
|---|---|---|
| Structure weight | Easy 30-40%. | Much heavier. |
| Assembly/disassembly | Quick (no need to pack the sheets) | Longer (laying and fixing sheets) |
| Comfort on the water | Softly (cushioning the shocks against the wave) | Harder (all blows felt) |
| Load capacity | Medium | High. |
| Price. | Above (complex technology) | Below. |
Boats from NDMA They're going to be able to get out of the boat, they're going to be able to get out of the boat, they're going to be able to get out of the boat, they're going to be able to get out of the boat, and they're going to be ready to go down, and that's ideal for people who change fishing places a lot, or who don't have the ability to keep the boat assembled.
But you have to consider that the inflatable floor, though hard, still flexes a little under the weight of the human and the motor, and Slane is a winner in this respect by providing a completely flat platform. If you plan to put a powerful engine (over 15 hp) and drive at high speeds, slate may be preferable.
Advantages of using inflatable floor boats
Why is technology? NDMA It's become so popular, first of all. ergonomicsImagine you have to take a boat to the water 500 meters. The sleigh model will weigh 10-15 kg more than the equivalent of NDND. For one fisherman, this difference becomes critical, especially when you consider the weight of the engine, gasoline and equipment.
The second important aspect is the comfort of being in a boat. The inflatable floor acts as a shock absorber. When you're going against a wave or when you're going through a strong side wind, the blows to the water are put out by the air cushion. On a hard sleigh, you'd feel every blow to the spine. For long transitions, NDNDM is better.
- 🚀 Assembly speed: The boat does not need to be assembled from individual elements, just pump the cylinders.
- ⚖️ Minimum weight: The ideal choice for women or those who prefer active fishing with frequent movements.
- 🌊 Floating: The inflatable floor adds an additional volume of air, increasing the overall buoyancy of the vessel.
Also worth noting is the versatility. NDMA They often have more streamlined shapes, because you don't have to make a flat bottom to lay the sheets, and this has a positive effect on handling and speed.
Use a pressure pump when pumping the bottom of the NDND. It is impossible to determine the correct pressure (0.6-0.8 atm) on the eye, and the underpumped bottom will quickly lose shape and can be damaged.
Disadvantages and limitations of technology
Despite the obvious benefits, the technology has its drawbacks, which you need to know before buying: the main enemy of the inflatable floor is sharp objects; stones, snags, spines or a forgotten knife in your pocket can damage PVC. Although the material is durable, the risk of puncture is higher than that of aluminum sleigh.
The second thing is temperature restrictions. Winter fishing on a boat with a boat. NDMA It's possible, but it needs extreme caution, because in the cold, PVC becomes less elastic, and the risk of damage increases, and the air in the cylinders expands when you go out from the cold into a warm room, which requires constant pressure monitoring.
⚠️ Warning: When operating a boat with NDNDD in the cold season, avoid sudden temperature changes. Do not bring a sharply pumped boat from the cold into the inflated room - this can lead to rupture of the seams due to air expansion.
Another disadvantage is cost: dual-bottom inflatables are technologically more complex than simple cylinders and sleigh ink. NDMA They are always more expensive than the same sized sleigh.
And there's also the "play" of the bottom with powerful engines, which is that when you go into a high-powered plane, the bottom can bend slightly, creating a springboard effect, which is not critical for cruising speeds, but athletes may not like it.
Technical features and service requirements
Care for a bottom boat NDMA Because the bottom is part of the power structure, its integrity has a direct impact on safety, and check the valves regularly for air etching.
It's important to keep the bottom clean inside the boat. Sand and small pebbles, getting between the bottom and the deck (if any) or just being on the surface, work like an abrasive. When loaded, they can wipe the material from the inside. Regular cleaning of the cabin is mandatory.
☑️ Daily care for NDNDM
When stored, the inflatable floor boat is better kept straightened or neatly rolled up, but not crumpled in a tight lump for a long time, which will help to maintain the elasticity of the material and avoid crumps on the folds, which over time can turn into cracks.
Repair of small punctures at the bottom NDMA It is produced in the same way as on boards, using remixes and glue, however, if the damage is serious (sew rupture or a large cut), it is better to contact a specialized service, as the bottom experiences high tensile loads.
Impact of bottom design on driving performance
The boat's performance is determined not only by the power of the engine, but also by the geometry of the bottom. NDMA They are often fitted with an inflatable keel that runs the length of the boat, which gives the boat a shape similar to the hull of small boats.
When moving, the keel cuts through the wave, providing a softer and more predictable course. The boat prowls less (does not waddle from side to side), which is especially important when trolling or when moving against the wind.
But there's a nuance to high-speed handling. NDMA Not well pumped, the boat can become a roller, so before each step on the water is recommended to check the pressure, the optimum pressure provides the necessary rigidity for the efficient operation of the redane and keel.
The secret to fast assembly
To quickly assemble the boat NDND, first pump the keel (if it is separate) or the central part of the bottom to half the pressure, then the side, and only then achieve the pressure in the bottom to normal, this will help to straighten the folds and avoid distortions.
In conclusion, the choice between sludge and NDND is always a compromise between weight/comfort and stiffness/speed. 80% of amateur anglers using motors up to 10-15 hp, the option is to use a sludge. NDMA It will be the most comfortable and convenient to use.
The boat with the bottom of the NDND is the choice in favor of comfort, ease of transportation and gentleness, while the slate is chosen for maximum speed and durability in harsh conditions.
Frequently Asked Questions (FAQ)
Can I walk at the bottom of the NDND in shoes?
Yeah, you can, like, bottom. NDMA It is designed for high pressure and equipped with reinforcement, which allows you to walk on it in shoes without the risk of damaging the material, unlike a simple low pressure inflatable floor.
What pump is needed for a boat with NDND?
You will need a two-stage pump (leg, manual or electric) the first stage is for rapid pumping of large volume of air, and the second (high pressure) is for creating a stiffness of the bottom (up to 0.8 atm). A conventional car compressor may not be suitable if it is not designed for high pressure at low volume.
How long is the DND material?
With proper care and storage, the life of boats with bottoms NDMA Modern materials (PVC with a density of 1100 g / sq.m and above) are resistant to ultraviolet light, gasoline and oil.
Can I put the transom wheels on a boat with NDNDM?
Most models with the bottom of the NDNDM have a reinforced transom on which you can install removable transom wheels for ease of moving the boat along the shore, this does not affect the integrity of the inflatable floor.