Choosing a boat for fishing and resting on the water often turns into a complex compromise between cost, durability and performance. Boat North 460 from PAP (low-pressure polyethylene) is an interesting solution that challenges traditional aluminum and fiberglass counterparts. Unlike lightweight inflatable PVC boats, this model offers a rigid body that is not afraid of punctures, but retains light weight.
Modern technologies of rotational molding have allowed to bring the production of small vessels to a new level. North 460 It is designed to meet the requirements of Russian water bodies, where it is important to take into account both calm water and low wave. In this article, we will discuss in detail why many water engines pay attention to this particular material and a particular model.
It should be noted immediately that rotational It allows you to create seamless housings, which are key to keeping them tight, not just a piece of plastic, but a complex engineering structure that requires the right approach to use, and understanding the physical properties of the material will help you avoid common mistakes when buying and using.
Features of the PHD material in shipbuilding
Low-pressure polyethylene, or HDPE, is very different from conventional fiberglass and aluminum in its impact strength, and when hit by a rock or on the side of another boat, it doesn't crack or form a dent, it just cushions. Thermoplasticity It allows the material to regrow its shape after deformation, unless the elasticity limit is exceeded, which is why a HDPE boat is considered virtually unkillable in rocky shores.
But there are some things that you can't keep quiet about, and the HDPE is subject to thermal expansion and compression, which you need to take into account when you install additional equipment, and unlike metal, plastic doesn't rust, but it can burn out in the sun if it doesn't contain specialty equipment. UV stabilizersManufacturers of quality boats, such as North 460Add these components to the raw materials during the production phase, making the case resistant to solar radiation.
⚠️ Attention: Despite its high strength, HDPE is afraid of open fire and contact with aggressive solvents. Never smoke with a lit cigarette in the vicinity of the board, as it is quite possible to burn plastic with a spark from a vape device or a fallen coal.
Another important aspect is the environmental friendliness of the material. Polyethylene It's completely inert and doesn't release any harmful substances into the water, which is important for the ecological balance of the water, and it doesn't absorb the smells of gasoline, fish or oil, which makes it easier to care for the cockpit after active fishing, just rinse the boat with hose water.
To wash boats from HDPE, use only soft sponges and household chemicals without abrasive particles, so as not to disturb the smoothness of the surface and not create micro scratches into which dirt will be clogged.
Design and ergonomics of the North 460
The range, called the North, is often associated with reliability, and the 460cm length is the "middle ground" for the family boat. The body features classic contours with a pointed nose, allowing a small wave to be confidently cut. Kieliness The bottom provides stability, so the boat is not as much blown by the side wind as flat-bottomed counterparts. The interior space is organized as functionally as possible for its dimensions.
Inside the cockpit, there are usually konduks for storing things that simultaneously perform the function of Banc seats. transom plate reinforced and designed to install an outboard motor of a certain power, usually up to 15-20 hp It is important to follow the manufacturer's recommendations on the weight of the motor, since transom overload can lead to deformation of the aft part, despite the elasticity of the HDPE.
Ergonomics of landing in North 460 The sides are high enough to ensure safety, but do not create a sense of enclosed space. Fastenings for rods, sonar and navigator are often already designed or easily mounted on flat surfaces of the sides without violating the integrity of the hull.
Driving and handling
On the water, a PHD boat behaves differently than an aluminum boat, and because of its lower weight and shape, it may be more sensitive to lateral wind when squeezing, but this is compensated by the correct weighting. gelling The body quickly detachs from the water, reducing resistance, but it is worth remembering that plastic has the property of "slapping" on the wave a little louder than aluminum, if not gained sufficient speed.
The controllability depends on the installed engine and the location of passengers. Otheriation The important thing is that by moving the load forward or backward, you can get the optimal angle of attack of the bottom. North 460 It forgives errors in weight distribution, remaining stable even when fishermen move inside the cockpit.
The main feature of the boats from HDPE is the absence of metal inertia, which makes them more maneuverable at low speeds, but require getting used to the reaction to gas during planing.
At low speeds, when trolling, the boat does great, it doesn't scour side to side and it keeps its course, and it's done with the shape of the keel and the general geometry of the hull, and for the angler, it means being able to focus on wiring the wobbler, rather than constantly steering.
Comparison with aluminum and fiberglass
The eternal dispute of materials in shipbuilding has not gone away to understand the place. North 460 In this series, you need to compare the specifications objectively: aluminum is stronger to break, but softer (easier to scratch) and heavier. Fiberglass is more beautiful and can have complex contours, but is afraid of impacts and requires repair when cracked. PHD is in the middle, with a unique combination of properties.
Below is a table that helps to structure the main differences between the materials of the enclosures:
| Characterization | MHP (North 460) | aluminum | Fiberglass |
|---|---|---|---|
| Body weight | Light. | Medium. | Heavy. |
| Impact resistance | High (depreciation) | Medium (dents) | Low (cracks) |
| Repairability | Difficult (welding) | High. | Medium |
| Term of service | 50+ years | 30 years. | 20 to 30 years |
As you can see from the comparison, longevity polyethylene is its trump card, it is not subject to electrochemical corrosion, which often destroys aluminum boats when misused or in contact with other metals, and plastic glass can eventually gain moisture into the structure of the laminate, increasing the weight, which will never happen to HDPE.
The myth of the repairability of the PHP
There is a perception that HDPE can't be repaired in the field. It's not quite true. Using a building hair dryer and strips of the same material, you can seal the through hole, although aesthetically it will be noticeable.
Transport and storage
One of the main advantages of the model North 460 A 4.6-meter long boat from an MHP can be easily lifted and flipped by two people, and sometimes by one physically fit fisherman, making it easier to launch from a gently gently sloping shore without a well-maintained slip, and you don't need a heavy trailer with a powerful SUV to transport it.
When storing HDPE requires compliance with the temperature regime, but not to the extent that PVC. In winter, the material tans, but does not lose its properties, if it is not thrown in the cold from a height. Ultraviolet - the main enemy for long-term storage in the open sun without a canopy, so in the winter the boat is better to clean in the garage or under the tent.
☑️ Preparing the boat for winter storage
Transportation on the roof of the car is possible, but requires reliable fasteners and soft pads so that the plastic does not rub against the metal when vibrating. Due to its light weight, the boat can sail on the highway, so speed mode during transportation is better limited.
Nuances of operation and modernization
Owners North 460 often seek to improve its floating craft. Installation anchor-boxIt's common to drill HDPE with caution, using special drills and necessarily sealing holes, as the material floats under the load of the fastener.
Modernization is often about soundproofing, and although the HDPE itself is a good noise-quencher, installing additional damping pads on the bottom of the boat from the inside will make the boat even more comfortable. electric motorsFor which the HDPE is ideal due to the absence of vibrations of the body.
⚠️ Note: When installing any additional structures (additions, awnings), consider sailing. A light boat made of HDPE with a high superstructure can become unstable in strong lateral winds.
Safety is also a must. Even in such a stable boat, having life jackets and a water scoop (even if it is dry) is a mandatory rule of good tone and GIMS requirements. Floating The HPD is high, but that doesn't negate the need to have rescue equipment on board.
What is the maximum power of the engine to be delivered to the north 460?
Usually for boats with a length of 4.6 meters from HDPE recommended engine power is from 9.9 to 15 hp Installation of the engine with a capacity of 20 hp is possible, but only under the condition of full loading of the boat and experienced management, so as not to overload the transom and not go into a dangerous range. Always check the data-sheet figures of a specific modification.
Do I need to paint a boat out of HPD?
It's pointless to paint a PHD boat with a regular paint, because it's very low adhesion, and if you want to change color, you need to use plastic primers and two-component paints that are specifically for polyolefins, or you need to put vinyl film on the boat.
Is it true that the boats from the HDP are sinking?
No, it's a myth. The HDPE density is less than the density of water, so even a fully watered boat will stay afloat, albeit with a very low landing. It won't sink, but it won't be able to ride it either, but the presence of water inside the cockpit is critically degrading stability.
How long has the PHD boat been in service?
When properly operated and stored in the shade, the life of the HDPH case can exceed 30-50 years. The material is not subject to corrosion and rot. The main wear usually concerns color fading from ultraviolet light and mechanical scuffs, but the tightness and strength is not affected much.