HomelinessDo it yourself

Motorbike with their own hands. Motor for bicycle

A bicycle is a vehicle that allows you to get to the right point at the same time, take up your physical form and turn every trip into a walk. It does not need to stand in a traffic jam or crowd in a filled subway car, returning home from work. It is environmentally friendly. But at the same time he has the disadvantage: long distances can not overcome all. Still, the physical form may not allow you to travel a few kilometers without stopping. But the solution to the problem can always be found. In this case, you can make a motorbike with your own hands.

Features

Motorbikes are available at the store. But they are quite expensive, and the appearance is far from the desired. Yes, and weighs such a design of about 20 kg. This weight will greatly complicate the road if the engine fails and you have to turn the pedals. Similar shortcomings can be avoided if you make your own motorbike with your own hands.

This type of transport was widely popular among teenagers during the Soviet Union. But modern features and tools allow you to significantly change the normal bike and create an original vehicle. Experienced self-delicacy on the question of how to make a motorbike with their own hands, will answer that it is very simple. Almost everyone can cope with such an occupation.

Types of engines

Getting to work, you need to decide which is better to choose a motor for a bicycle. They are of two types:

  • Electric, which with the advent of compact but capacious batteries are becoming more popular.
  • Internal combustion engines, which are a traditional option.

To create self-made motorbikes, petrol engines can be used from lawn mowers, chainsaws and other tools and aggregates.

Engine Selection

Most often, as a basis for making a motorbike, they take the old chainsaw with their own hands. Or rather, its engine. But there are some limitations. Do not take the engines from small and light saws. They have too little power. Suitable for a bicycle is a motor whose power is above 2 liters. from. (Or 1.5 kW). And the higher this value, the better. But even with this value, the bike will be able to accelerate to 30-35 km / h.

When choosing an engine, you should also pay attention to the volume. In accordance with the Vienna Convention, this value should not exceed 50 "cubes". Only in this case the rights and registration of the vehicle will not be necessary. The motorbike will fall into the category of "bicycles with outboard engine".

Another advantage of this engine is the lack of a gasoline smell. The motor practically "does not smell", that allows to store a bicycle at home. But there is a drawback. It consists in the characteristic sound of a working chainsaw. The sound of the running motor will accompany throughout the trip.

Connection of individual parts to the frame

To create a motorbike you can use any bicycle: old, rusty, collapsible. A motorbike requires only a solid frame from the base. If you do not have one, you can make it yourself. This will require several pieces of metal pipe.

The motor is attached to the frame at the junction of the lower and seat tube. This is the most optimal, but not the only option. Sometimes you can see a motor fixed to the trunk. The main thing is that the fastening is reliable. During operation, a vibration will be felt, due to which the motor may fall if it is not properly secured. For fastening it is recommended to use metal clamps. A set for a motorbike may include special perforated mounts. But their use is not necessary.

In addition to the engine, the battery and the fuel tank must be fastened to the frame.

Connecting parts

To fix all the details separately on the bicycle frame is only half the work. Then you need to combine all the elements into one system. Otherwise, the self-made motorbike will lose all its new capabilities.

The first thing to do is to connect the motor so that it transmits the rotation to the wheels. For this, a special mechanism must be provided. There are two versions of these mechanisms: with pulleys or chains.

Belt drive provides for a system of pulleys. This is a simpler option. One pulley is put on the motor shaft. The second is fixed on the hub of the rear wheel. Between them is put on the tension belt. The downside of this option is a shorter belt life (which is faster to stretch) in comparison with the chain. It should be noted that the wedge-shaped belts are not inferior to chains in terms of their characteristics (service life).

In the case of a chain drive, the rotation from the motor to the wheel comes through the chain. On the one hand, it is put on the sprocket of the rear wheel. On the other - on the gear, put on the motor shaft. Chain transmission is more durable than belt drive. But it requires regular care.

The battery is connected to the ignition of the motor and the brake knob. Then you can install the exhaust pipe. You can do without it, but the exhaust fumes will darken the trip.

Installation of an electric motor

Using a gasoline engine to create a motorbike with their own hands "kills on the root" the idea of an environmentally safe vehicle. Therefore, more and more often there are models with electric motors. The development of modern technology allows us to do this.

The principle of installation of the electric motor is similar to the fixing of gasoline engines. To do this, you need, in fact, the motor itself, a battery, parts for control, a controller.

Motor wheel

Another option that can be chosen when creating a motorbike with your own hands is the installation of a motor-wheel. This option is suitable for those who understand the electrician. Connecting a motor wheel requires certain knowledge, without which it will be difficult to assemble the electrical circuit.

The sale of motor-wheels includes controllers, front and rear brake handles, Pas system, and a charger.

The rechargeable battery generates a constant current. The controller converts DC to AC, which, in turn, will drive the motor-wheel. When the wheels start rotating, the motor is activated. For this, the "Paz" system is noted. On the brake handles there is a microswitch. It is necessary in order to disconnect the supply of power from the motor to the wheels during braking.

Installation of the motor wheel is performed in accordance with the following steps:

  • The bicycle turns with the wheels upwards. The rear wheel is removed. In its place will stand the motor-wheel. It is fixed in such a way that the outgoing wires are on the left (if you look in the direction of movement of the bicycle). This controls the direction of rotation of the wheel. If the sides are reversed, the wheel will "go" in the opposite direction.
  • The controller and the battery are attached to the frame. The controller must be well insulated.
  • The rest of the parts are then installed and connected.

When assembling an electronic circuit, it is important to remember that the battery is connected via a fuse (20 amp is enough). It will protect the system from fire in the event of a short circuit.

Conclusion

As you can see, you can make your own motorbike with your own hands in several ways. Each of them has its advantages and disadvantages. Mounting the motor on a bicycle does not prevent you from driving in the usual way (by twisting the pedals). To do this, just shut off the motor and the clutch of the motorbike. This is very convenient when you want to leisurely ride and do your physical form. The option of a bicycle equipped with an engine (regardless of its type) is a good option for people choosing an active lifestyle. He is both a rest and a way of traveling around the city (and not only).

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