Equipping a PVC boat with a motor increases the range of movement, increases the level of fishing comfort. To select the optimal model of a boat engine, it is necessary to analyze the characteristics of the craft, its operating conditions (river, lake, sea) and offers on the market.
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Calculation of optimal power
In the instruction manual for a PVC boat, the manufacturer indicates the maximum engine power. In practice, this indicator may be less than the actual one, since with a full load and a high wave, the likelihood of water getting inside increases.
The calculation is based on the maximum load - the total mass of the boat, passengers and things. Then deadrise is determined - the degree of immersion of the structure in water. For a low value, the calculated mass must be divided by 25, for a high value - by 30. The latter is used for PVC models.
Calculation example for the following input data:
- boat weight - 30 kg;
- weight of two people - 140 kg;
- equipment - 30 kg;
- power plant - 25 kg.
Calculations are performed according to the following formula:
(30+140+30+25)/30 = 7.5 HP
The maximum allowable load must be taken into account. The actual total weight must not exceed this figure. In practice, it is recommended to leave a margin of 10-15%. For a smooth ride - an even distribution of equipment.
In the absence of passport data, you can independently determine the minimum allowable engine power. The weight of the boat must be added to the critical mass, divided by 30 and 4.
Example:
(350+30)/30/4=3.16 HP
Weather conditions are not taken into account - wave height, wind direction. Therefore, it is recommended to add 10% to this value in order to avoid slow boat movement.
Engine Specifications
Traditionally, they prefer to choose imported power units. The quality of domestic products leaves much to be desired, despite the affordable price. In addition to the brand, it is important to choose the right motor according to the parameters. This is done after calculating the optimal power according to the method described above.
The main parameters of the power plant:
- Type - two or four stroke. The former are characterized by affordable cost, the latter by stable operation.
- Rated value of power - up to 2 hp.
- Transom height. This is the part of the power plant adjacent to the stern. The average is 400 mm.
- Type of control - tiller, remote or combined.
- Engine start system - manual, electric or combined.
- Weight - up to 30 kg.
The type of fuel used is gasoline. Average consumption - up to 2 liters per 100 km. There is a separate category of electric motors, but due to the large mass and short duration of work on a single charge, they are not popular.
about tuning a PVC boat for fishing here .
Overview of models and prices
During the analysis of motors, technical characteristics, performance and user reviews are taken into account. The latter may be subjective, but for the most part they reflect the real performance of the model. Two-stroke power plants will be considered, the power of which does not exceed 10 hp.
Mikatsu V9.9FS
The manufacturer is a Korean company. The model is popular because of the price / quality ratio. Rated power - 9.9 hp After a small upgrade (replacement of the screw, installation of a new petal valve), the figure increases to 15 hp.
- volume - 246 cm³;
- fuel reserve - 24 l;
- Adjusting the tiller height will make it possible to move in shallow water.
The average cost is 84 thousand rubles.
Sea - Pro T 9.9 S
This budget option from a Chinese manufacturer is a copy of a similar Yamaha . While maintaining the original parameters and quality, the cost differs from the price of the original by 35-40%. The power characteristic of the unit is 9.9 hp, volume - 202 cm³.
Advantages:
- Spare spark plug included.
- there is a manual start cord;
- a set of tools for operation is provided.
Price - from 65 thousand rubles.
Tohatsu M 9.8 B S
Japanese manufacturer, well known to Russian buyers. The engine is characterized by reliability, optimal operating parameters. With a relatively small volume of 169 cm³, the force is 9.8 hp. Fuel tank capacity - 12 liters.
- weight - 26 kg;
- paved carburetor;
- number of screw positions - 6 pcs.
Price - from 105 thousand rubles.
In the video you can find practical tips on choosing a motor:
Hello, I am Alexander, the mastermind behind the blog.
In terms of career and free time, I connected my life with the forest. How else, when you live in Karelia! In this blog, I am responsible for the hunting, hiking and equipment sections. Welcome to my world!