How to make a homemade moped from a bicycle. Your own moped: how to make a bike out of your own hands

If your household has an old bicycle, preferably made in the USSR, a broken chainsaw with a “live” motor, a couple of pipes - all this rubbish can be usefully adapted. How? It is very simple - to make a bicycle with a motor from a chainsaw with your own hands. Having spent a little effort, you can get a completely normal vehicle - in all respects it will be inferior to a car, but it will be able to deliver you from point A to point B for a short distance, and gasoline consumption will be simply meager.

We make a motorbike with our own hands

So, how to make a moped out of a chainsaw with your own hands? To do this, you do not need to have a higher technical education and have a mobile workshop at hand - the necessary minimum of tools, a working motor from a chainsaw of almost any brand and a bicycle frame, preferably made of metal tubes, are enough to withstand the load from the engine.

Motor selection

There is nothing complicated about how to make a bike with a chainsaw motor, no. But you need to understand that the motor will not work from a light chainsaw that is used for small jobs - its power must be at least 2 hp. or 1.5 kW. But as for the volume, the situation here is exactly the opposite - the volume should not exceed 50 cm3, otherwise it will violate the provisions of the Vienna Convention. Otherwise, such a vehicle does not need a license and registration, since this vehicle is defined as a “bike with an outboard engine”.

Frame hardware

A homemade moped from a chainsaw is made from a bicycle in any, even in the most “killed” state - the main thing is that there is a whole frame. The engine from the chainsaw is installed on the bike at the junction of the lower and seat tubes - this is the best way to locate it. A gas tank is screwed next to it, and a battery is installed above the engine, on the top pipe. You need to install the engine from the chainsaw so that it is fixed firmly and securely - the motor is subject to vibration and if it is loosely fixed, it will fall.

If there is no frame from the finished bike, it can be easily welded - this requires several pipes and a welding machine. It’s even better - such a do-it-yourself chainsaw motorbike will be more durable and reliable, and a self-welded frame will allow you to position the motor as close to the drive wheel as possible.

Transmission

Just putting the motor from the chainsaw on the bike is not enough - you need to make sure that the torque from the motor is transmitted to the wheels. For this, pulleys or a chain mechanism are used:

Pulley system. In this embodiment, the engine from the chainsaw on the bike will transmit torque through the belt. Such a system is simpler - it uses factory or home-made pulleys, one on the engine shaft, the second on the rear wheel hub, as well as a tension belt. Minus - the belt stretches faster than the chain and is less durable, although V-belts are not inferior to chains in durability.
Chain transmission. Here you can use a rear sprocket, and install a gear on the motor shaft. The transmission of torque occurs through the chain - it is more durable and resistant to stress, but requires regular maintenance. Choose for yourself how to make a bike with a chainsaw motor, or rather, which transmission to install on it.

Motor connection

Do-it-yourself chainsaw scooter will not go if the engine is not connected in the right way. To do this, you must connect the battery to the engine ignition unit, as well as to the brake lever. Set the connecting cable so that it can be easily wound using the handle. The last step is to install the exhaust pipe - you don’t have to install it, but in this case, the chainsaw scooter will “please” the exhaust right in the face.

As you can see, there is nothing complicated about how to put a chainsaw engine on a bicycle - here you need to make only a little effort and have the necessary minimum of spare parts and assemblies. But such a self-propelled mechanism will go a little faster regular bike. And here homemade karts from a chainsaw is a completely different level. With the right approach, you can arrange real races, so let's look below at how to make a go-kart from a chainsaw with your own hands.

Homemade kart with a chainsaw engine

The main difference between a chainsaw kart and a motorbike is that it is designed for higher speeds, therefore it has a more rigid four-wheel structure. Therefore, the most important element is not the motor, but the frame - it will have to be made by hand, and not just bolted together, but welded.

Body

For the frame, it is recommended to use a square or round tube - it has a higher bending resistance and rigidity than a regular profile or angle. In general, you need to use several sizes: a thick pipe with a diameter of 25 mm for the chassis beams, a 20 mm round timber for the frame and engine carrier, a 15-20 pipe for the seat and other components.
Draw a drawing of your future kart, take careful measurements, and only then start doing karting with a chainsaw engine. There are many different templates on the web. Recommended parameters are from 1300 to 1800 mm long, from 760 to 1000 mm wide. The center distance is approximately ¾ of the total length of the kart.
Start assembling. The design should not be purely welded - for example, the rear axle should be movable and rotate freely, so it will have to be mounted through a support bracket. Otherwise, a chainsaw kart will turn very badly and have insufficient controllability. You can not bother and buy ready-made bearing units - it will be easier and more reliable.
We make a seat. Here, too, it is not as simple as it seems - when passing a sharp turn, the driver can easily fall out of the seat. You can use a homemade seat made of metal or plywood - the main thing is that it provides a snug fit.

Motor and transmission

Choosing a motor is a simple matter. The more powerful the motor, the faster the homemade chainsaw kart will go. Power of 2-3 hp it will be enough to accelerate to 20-30 km / h - more is not required from such equipment. By the way, you can make a go-kart from a chainsaw or a trimmer.

Before installing the motor, prepare a platform at the rear of the frame on which the motor will be installed.
Drill holes in the motor housing for the fasteners, which will match the holes on the platform.
The motor pulley must necessarily coincide on the axis with the working pulley.
The asterisk can be used from the chainsaw itself, but you have to grind it a little.
A chain is used for transmission, but in some cases it is possible to use a pulley with a V-belt - it is cheaper, and in many respects it is not inferior to the chain.
Place a gas tank next to the engine - a plastic or metal container with a volume of 2-3 liters.

Control and braking system

The pedal assembly is made simply. Cut out models of pedals from a metal sheet, a metal pond of 8-10 mm is used for the legs. Lay the control cables so that they do not interfere under your feet and lay flat - otherwise, the cable may break.
The brake must be a foot brake. You can of course make it manual, but this will only complicate the design. The brake disc must be attached directly to the frame, and the brake caliper to the wheel. In a home-made version of karting with a chainsaw engine, you can install brakes only on the rear drive wheels, but if you are making a “high-speed” version, put the brakes on the front axle as well.
Steering. One of the most difficult moments is to make the front wheels turn. Here you will have to use swivel brackets to which you need to attach the steering rack. The rail itself is connected to a thick rod, on upper part which is put on the steering wheel itself.

Chassis

For the chassis, you can use any wheels that are at hand. The front ones can be taken with a smaller diameter, and the rear ones with a larger one. But at the same time, estimate the power of the motor - if the motor is weak, then there is simply not enough torque. So here it is necessary to find out everything experimentally. As a rule, the diameter of the wheels does not exceed 250-400 mm.

Chainsaw ATV

Another option for motorcycles that you can do with your own hands is a small ATV for a child or teenager. In fact, the technology by which a homemade children's ATV is made from a chainsaw is practically the same as that used to create a kart. But there are a few features:

The do-it-yourself ATV chainsaw frame has a slightly different design - it is more complex, tall and massive.
For the power unit, the most powerful motor is used. Usually, motorcycle motors are installed for such equipment, but you can make a home-made children's ATV from a chainsaw - you only need a little refinement in the form of a gearbox or an intermediate shaft to increase traction and torque.
Due to the peculiarities of the landing, a chair from a moped or motorcycle is installed - it will be more convenient than a chair with a back, as in karting.
A do-it-yourself children's ATV from a chainsaw is better than a kart in terms of cross-country ability, so wheels of increased diameter are used for it. Their diameter should be at least 350-500 mm, preferably with a developed tread. Otherwise, it will not be an ATV, but the same kart.
If possible, you can install shock absorbers in the suspension - so you will achieve a smoother and softer ride.

In all other respects, the design of the children's ATV repeats the technological solutions used for the manufacture of karting.

Both a bicycle and a moped are very convenient means of transport. The fact is that their maintenance is not expensive. However, today many are interested in how to make a moped out of a bicycle. To do this, you need to choose the right parts.

So, first you need to decide on the frame of the product. It must be strong and unbreakable. Therefore, it is better to give preference to the basis of mountain bike made from aluminium. It can be foldable. However, if you are going to ride over rough terrain, then it is better to choose If you do not know how to make a moped out of a bicycle, since this procedure is not difficult. First, find the scheme by which you will install all the components on the structure. There are countless of them on the Internet.

Now pay attention to the body kit. It's best if it's on high level. In order for such a miracle of technology to go, it should be equipped with an engine. Moreover, the “heart” of the design can work on gasoline or electricity. The second option is simpler and lighter, as it does not require a fuel tank. However, if you do not know how to make a moped out of a bicycle that will run on gasoline, choose an engine from garden equipment. Pay attention to the number of revolutions and the weight of the machine.

The engine is mounted above the front or rear wheel. Next, you need to provide a place for a gas tank or an electric battery. Naturally, it is mounted on the front of the frame. Before you make a moped out of a bicycle, go to technical stores, because a ready-made kit for installation can be sold there.

Now you should move on to installing the gearbox. The simplest option is the usual not too rough chain that connects the wheel and the engine directly. You can, of course, install a variator that will not reduce As for the clutch, it is better if it is automatic centrifugal. In principle, how to make a moped out of a bicycle is understandable, you just need to choose the right mechanisms. For example, when choosing a motor, pay attention not only to its power, but also to which it will publish.

The operation of such a system is quite simple: a belt or chain is attached to the sprocket, which are put on the engine pulley. When he starts to work, the bike starts to ride. The pedal can be used to start the engine.

From a bicycle can be quite convenient transportation. The fact is that they do not consume a lot of energy, are not difficult to maintain and repair, and also do not require a driver's license. In addition, the cost of such a design can be quite low, which makes such a technique popular.

The electric version of such transport is more profitable, cheaper and safer. All mechanisms are installed on special mounts, which can be screwed to the frame or welded to it. That's all the features of making a homemade moped.

The versatility of gasoline chain saws is proven not only by their multitasking and functionality, but also by the abundance of useful homemade products that craftsmen have learned to do with their own hands. They save money on buying expensive factory-made devices that most people don't have the money for. But, as they say, the need for fiction is acute. Therefore, speaking of chainsaws, many represent not only felling or pruning an orchard, but also winches, ice drills, outboard motors, grinders, sawmills, which technically competent craftsmen have learned to adapt from everyone's favorite gasoline tool.

Means of transportation deserve no less attention - bicycles, mopeds, go-karts, ATVs and much more that can be assembled using a chainsaw with a gasoline engine. We will talk about how and from what to recreate them and surprise others with an incredible motorized design in this article.

Do-it-yourself chainsaw motorbike

Not every happy bike owner is thrilled with the need to pedal and expend their energy. More convenient and less costly in terms of power is a motorized bicycle.

Making a bike with a motor from a chainsaw with your own hands is not as difficult as it seems at first glance. For this you will need:

bike;
a saw with a gas engine power of at least 2000 W - this indicator will determine whether it can move off. As practice shows, engine power of 2 hp. it is enough for the motorbike to reach speeds of up to 40 km / h;
reservoir for the future fuel tank;
cable from an old bicycle;
handle to be able to adjust the throttle;
bolt ties, nuts and other small consumables for creating fasteners;
connecting elements for creating a message between the wheels and the engine.

The process of how to put a chainsaw engine on a bike is as follows:

we aggregate the drive shaft - remove the rear wheel tire and put a tire with a diameter of up to 2.5 cm. This equipment will help to take the engine speed, and, like a gearbox, reduce the speed;
we weld a stand from the corners by electric welding - it will help to install the engine from a chainsaw;
alteration of the clutch - you can use the centrifugal from the factory saw by connecting it to the wheel;
we adapt the gas tank - it can be located next to the engine, or on the frame;
we fix the wire from the ignition system of the motor on one of the handles of the bicycle;
attach a cable from the carburetor to the gas handle so that throttle control is simple and quick;
we equip the motorbike with protective equipment: mirrors, a flashlight, and proceed to the test homemade bike from a chainsaw.

As you can see, putting a chainsaw motor on a bike is not so difficult.

How to make a moped from a chainsaw?

The dream of the youth of most of our fellow citizens was and remains a moped. It develops a higher speed and has a structure that is more perfect than the motorbike described above. Buying a ready-made moped is not a cheap pleasure. We will tell you how to make it from improvised materials.

For this you will need:

a motor from a serviceable powerful saw (in our version, this is the Friendship model);
2 wheels from an old bike;
pipe with a diameter of 2 cm (metal);
cable;
bicycle sprockets; as well as forks;
old motorcycle parts - a ready-made fuel tank, a headlight, and a seat if desired, although you can do it yourself;
steering part;
throttle lever.

The process of creating a moped looks like this:

we cook the frame to which we connect the wheels from the bicycle, the forks, as well as the gas tank and the lantern;
we adapt the motor - the composition of the installation will depend on the configuration of the frame;

fasten the gas tank and battery;
we check that the newly installed elements do not hang out;
we make a chain drive - it will allow the wheels to take the torque of the motor and move. You can take a belt instead of a chain pulley. But we must not forget that its wear and tear will be noticeably higher;
we establish the ignition system - we connect the battery and the brake lever to it;
fit the exhaust pipe.

The assembly process is completed: you can start testing the moped.

Do-it-yourself chainsaw karting: step-by-step assembly

Karting is a modern vehicle that can cover a considerable distance in a short period of time. An exclusive kart is the dream of every car enthusiast. It is not necessary to participate in races with it: you can easily move on rough terrain, along rural roads, and indeed everywhere where a larger car cannot pass.

Among the possible equipment options, home-made chainsaw karts have gained immense popularity - no less powerful and productive than their serial counterparts. Let's consider it step by step.

Preparatory stage

It starts with a detailed drawing and design. We suggest that you familiarize yourself with the finished drawing, which will save time on designs;

The proposed overall dimensions are suitable for a person of average height. For teenagers and tall people, the design should be tailored to their individual parameters. For teenagers, you can use a different scheme, presented below.

We collect the base of the construct

This is a chassis, the manufacture of which will require:

square pipes (up to 10 m);
steel pipes;
thick steel plate;
accessories for blocking the bottom;
armchairs.

The process looks like this:

pipes are cut according to the proposed scheme and welded by electric welding.

Here is what should happen after welding;

the front axle is equipped with plugs;
the rear axle is aggregated - it is welded to the frame itself in such a way that its turning is ensured;
according to the drawing, the bottom is cut out of metal or durable wood and fitted to the frame;
seat - in this case, you can not mess around and take a ready-made from an old kart or car.

Motor kart equipment

remove the motor from the chainsaw;

we make the base for the motor - from a steel plate and a corner. Its pulley must match with the last frame structure;
fasten the pulley with screws;
we take 2 metal rods, which we bend at a right angle - this will be the go-kart steering wheel drive;

we adjust the brakes - it is desirable that braking extends to all 4 wheels. Do not forget about the brake pedal: it will be very uncomfortable to press the brake with your hands;

we equip karting with wheels - wheels with a small diameter from an old racing car will do;
we establish the ignition - we connect it to the throttle valve and the gas handle;
reliability control assembly and testing of the finished unit.

Karting is a luxury for an ordinary person, but with the help of improvised means you can create its budget version - a go-kart with a chainsaw engine.

No less famous homemade, which the domestic "Kulibins" have learned to make. To recreate it, we need:

a scooter designed for the weight of the person who will control it. It is desirable that he initially had a manual braking system. The pneumatic wheelbase of the scooter must be strong;
chainsaw from which the engine is removed - medium and high-power models are suitable.

The scooter assembly process looks simplified compared to previous homemade products:

To begin with, we remove the motor base and fix it in the back of the scooter frame. We observe that the motor and wheel sprockets match;
we adjust the manual accelerator with the ignition of the chainsaw - so the operator will be able to control the movement process;
if necessary, they equip the scooter with a brake pedal, but in most cases, the lever for manual control of the scooter is enough for its full operation.
testing a scooter from a chainsaw - in case of serviceability, a new motorized device is ready and can be used.

Homemade children's ATV from a chainsaw

The last homemade product that we will consider will be dedicated to ATVs. In fact, to assemble an ATV, you need the same materials as for a go-kart or a tricycle:

engine from an old powerful and working chainsaw;
gearbox - increases the thrust of the motor and assumes its working speed;
ATV frame - it should be stronger and more stable;
a driver's seat is good if there is an old moped seat: a teenager will be more comfortable in it than in a bulky car;
wheels with a rough tread, a diameter of at least 34-35 cm each. This will improve the cross-country ability of the ATV and make it an analogue of an SUV.

If desired, the prefabricated design of the ATV can be brought to perfection with shock absorbers: the maneuverability of the ATV will increase, and the working stroke will become smoother.

Homemade vehicles are cheap, but not always reliable. They can only be used with strict observance of all safety regulations.

It would seem that absolutely incompatible things will not allow you to get a truly original invention, but in practice this assumption has been refuted more than once. In particular, for those who do not know how to make a moped, having only a bicycle and a chainsaw from improvised means, this article will be very informative.

Moped with petrol engine

If you don’t want to fill up your car every day, and riding a bike is too tiring, then a homemade gasoline moped will be the perfect solution to your problem.

What do we need

Nowadays, there are many ready-made kits that include an engine of the required power and other parts needed to remake a bicycle. Purchasing this kit great option for those who want to become the owner of a bicycle with a motor, but do not have the opportunity to make fasteners with their own hands or choose a suitable engine.

However, there are situations when, despite the possible difficulties, you want to do all the work yourself. In this case, it is worth starting with the choice of a suitable power unit, the role of which can be played by one of the parts of old and unnecessary household utensils. A lawn mower or a chainsaw are the most suitable donors for a “heart” transplant, but do not forget about the power of each such unit. So, a homemade moped from a bicycle should be equipped with a 2 hp engine. and volume not exceeding 50 cm3. A weaker motor will not be able to move the bike, and you will have to pedal for a while.

In addition to the power plant, you will also need other parts: a battery, pulleys and gears, a transmission belt (it can be replaced with a chain), a drive cable and mounting clamps. Of the tools, screwdrivers, pliers, wire cutters and other components of an auto mechanic kit will be useful.

We equip the frame

The bicycle frame becomes the main location for all the details and elements of the future moped. In particular, with the help of mounting clamps, the engine, gas tank and battery are attached to it. The most successful option for their location is as follows:the battery is on the top tube, the engine is at the junction of the lower front and seat tube, and the gas tank is right next to the motor.

We make pulleys and install them

The next step towards creating a moped with your own hands is the manufacture of pulleys - special transmission units, through which the motor force will be transmitted to rear wheel. As necessary materials, you can use small wheels (the size of a CD), supplemented by an external barrier. Required condition when creating pulleys, this is the strength of the parts used and the reliability of their fastening.

Installation of these parts on a bicycle is carried out in the following sequence:

1. The front gear wheel is connected to the motor shaft.

2. The second pulley is attached to the hub of the rear wheel of the bicycle.

3. Then a belt is put on the pulleys, setting the tension force, like a chain.

Note!The belt must hold well on the wheels, since the accuracy of the transmission of force from the engine to the wheel depends on this. In the case when a chain drive is used instead of a belt drive, gears take the place of the pulleys.

Motor connection

After the transmission is installed on the bike, you can proceed to connect the power unit. To do this, its working body is connected to the battery and the "ignition" mechanism is assembled. The motor mounted on the bike is connected to the brake lever, which is also an integral part of the do-it-yourself moped assembly. The tension of the connecting cable must be set so that the motor can be started freely through the handle.

Interesting fact!Worldwide, there are about twice as many bicycles as there are cars and motorcycles. In addition, 50 million new unpowered two-wheelers are produced each year, while conventional cars only add 20 million to their ranks.

Assembling a moped with a gasoline engine

Compared with the previous option, this method will allow you to get a more "advanced" vehicle, which almost completely corresponds to a real moped.

What do we need

To accomplish this task, you will need the gasoline engine itself, spare parts from a real moped (wheels, shock absorbers, brakes and exhaust pipe), a strong, welded bicycle frame and working tools (including a welding machine). Considering that in this option you are going to make a real motorcycle out of a bicycle, its frame must have the appropriate weight and strength. You can try to find a part from a small moped, but if it doesn’t work out, then a “skeleton” from a bicycle in the style of “Stork” or “Yew” will do.

Preparing the frame

Suppose you could not find a ready-made frame from a moped, which means you have to strengthen the bicycle one. To do this, you will need a welding machine and an additional pipe, which is welded onto the existing structure, thereby connecting the seat and steering part. However, it must be said that this is not the only possible way increase strength, and iron strips can be used instead of a pipe.

Note! If the selected engine is not fully functional, then it should be carefully sorted out, replacing the failed elements. Although you still do not fully understand how a motorcycle can be made from a bike, the good condition of all the elements used should not raise any doubts.

By the way, the power plant requires a separate place, and the best option there will be a welded metal pad located at the bottom of the bike frame. The motor and gas tank are attached to it with metal fasteners. It is better to place the battery closer to the steering wheel, and connect the exhaust pipe to the bottom of the motor.

We create torque

The next step on the path to creating an electric bike with your own hands is the organization of a power unit torque transmission system. First you need to remove the pedals and the front star from the bicycle frame. Then sprockets are installed on the rear wheel from the moped and the motor shaft (the star is located on the wheel with a large diameter). After that, the rear wheel is put on the frame and the stars are connected using a chain.

We connect the engine

After completing all the above steps, it remains only to connect the motor correctly. To do this, the clutch and throttle must be connected to the ignition lever by means of drive cables. The tension force is selected so that the motor can immediately start and start spinning the wheel. As soon as you connect the power unit, consider that you have already managed to make a bike on a motor.

It is no secret that an engine-equipped vehicle will move faster than a conventional bicycle, so for safety reasons it is also worth installing lighting devices, and the driver himself must use a helmet, knee pads and special shoes. That's all. Another answer to the question "How to make a motorbike with your own hands?" I'm ready now.

Do you know?Cycling helps maintain great shape. For example, an hour of cycling contributes to the loss of 600 calories.

We create an electric bike

If you do not like the idea of using a gasoline engine on a bicycle, then you can consider an alternative option to improve this vehicle with electrical equipment.

Benefits of electrical equipment

The emergence of modern electric vehicles has allowed mankind to appreciate all the advantages of this type of transport. An environmentally friendly and economical car almost immediately gained worldwide popularity, easily “telling” motorists about all the privileges of using electric motors. Therefore, it is not surprising that many people were interested in the question “how can you make an electric bike out of a bicycle?”. The electric engine is quieter, does not emit harmful exhaust gases into the atmosphere and does not heat up as much as its gasoline counterpart.

In the case of a homemade electric bike, the role of the engine can be played by a car starter, a screwdriver, or any other power plants available on the farm. Along with the electric motor, an important component of the already converted vehicle is the controller (or regulator), whose task is to accelerate the moped bike under optimal operating conditions of the power plant. To start the movement, a very small current is supplied from the controller to the engine, due to which the motor begins to rotate smoothly. In a braking situation, the controller recovers the driving energy into an electric current that feeds the battery. The battery is almost the same fuel tank, but much more environmentally friendly. Often it consists of a matrix and batteries connected to a specific circuit.

The simplest homemade electric bike includes only a motor and a battery. After mounting the motor, it can be energized using a conventional switch. However, you should also be aware of the impracticality of this approach, because, having a powerful power plant, it is somewhat more difficult to start on such a vehicle, and this can lead to an accident. It is better to use a low power unit that can provide a slow start, even if it does not accelerate to serious values.

Assembly step by step guide

There are quite a few ways to assemble an electric bike, but the easiest way is to connect the drive to the tire. If you had a Soviet-built bike, then you probably came across a dynamo to connect the headlight. By the same principle, the electric motor is connected to the wheel. Of course, when using this method, the drive efficiency will be very small, but this is quite enough to test the vehicle on electric traction.

The second option, how to make a good electric bike with your own hands, involves installing an additional star on the left side of the wheel and mounting the engine with a star on the trunk. If you connect them with a chain, then we get the simplest chain drive. However, as in the previous version, there will be mechanical losses, and appearance is not particularly attractive.

Therefore, it makes sense to consider the third and most suitable way to convert an ordinary bicycle into an electric bicycle. It involves the use of a special motor-wheel, which allows you to get an electric motor for a bicycle with an excellent aesthetic appearance and high efficiency, which will make it possible to create a unique vehicle with your own hands. The motor-wheel differs from a conventional wheel by the presence of a drive mechanism in the central part. It connects to the control unit via wires and makes it possible to create a front-wheel drive bike, without changing the classic transmission.

If there is a desire and opportunity, you can install two motor-wheels at once. The installation process involves the following steps:

1. A new star and a belt pulley are mounted on the axis of the carriage;

2. Then a shaft with a drive pulley is attached to the seat tube;

3. The pulleys are interconnected with a belt, and through the wires the shaft is connected to a power source;

4. The wires from the battery are pulled to the switch on the steering wheel.

Note! The battery is best placed on the lower front tube of the frame or on the trunk.

Summing up all of the above, it should be noted that it is still possible to assemble an electric bicycle in the DIY style, but for this you need to find all the necessary details, spend a little time and nerves. The very operation of such a vehicle should not be accompanied by any difficulties, of course, except for the surprised looks of passers-by, which, however, is more of a compliment to you.

Interesting to know! When boarding a bicycle, most people approach it from the left side, flipping right leg, which is explained by the presence of a chain and a star on the other side. The habit of placing the chain on the right side came from riding, since the sword, located at the left hip of the rider, made it difficult to land on the right.

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Driving through rural (and not only) areas, one can often observe people riding a bicycle with a motor adapted to it. Such a home-made moped is assembled, as a rule, from an old bicycle (it can be Ukraine, Sputnik, etc.) and a small gasoline engine.

A homemade moped is assembled from an old bicycle and a small gasoline engine

The most commonly used power unit is extracted from the friendship chainsaw - it is best suited for this design, plus finding it at a fairly low price is no problem. Of course, as a "base" you can use more modern bike and a motor, but the feasibility of such a solution from an economic point of view raises some doubts - for the price you pay, it is quite possible to buy a good used Japanese moped without having to do anything with your own hands.

It should be noted that especially for lovers of home-made units, many companies produce motors designed for installation on bicycles - by purchasing such a kit, you just have to follow the attached instructions. With proper implementation of all points, installation should not cause any problems. We'll talk about the option described in the first paragraph - how to make a moped from an old bicycle and a chainsaw (or a lawn mower - this is not so important).

The first thing to determine is the power of the motor. Engines with a power of 1 hp they will not be able to set your vehicle in motion on their own, that is, you will have to give it some acceleration, pushing off the asphalt with your feet. 2 HP - it's already much better.

Moped with a 2 hp engine. can not only start on its own, but also take you uphill, that is, you can forget about the pedals altogether.

For a homemade moped, it is better to use a 2 hp engine.

In addition to the motor, we need a pulley (a wheel from a small children's bike), a belt that will be pulled over this pulley, as well as a set of tools and materials from which you will make fasteners.

The simplest option is when the motor is mounted on top of the rear wheel. In this case, you will have to make fasteners yourself, since the bicycle trunk may simply not withstand the weight of the motor. The optimal solution would be steel elements having a thickness of about 3-4 mm. You should not overdo it here - remember that a frame that is too powerful, firstly, will increase the load on the rear wheel, and secondly, will increase the total weight of the moped (accordingly, it will be more difficult for the engine to accelerate it).

Try to find a “golden mean” in this matter between the strength of the structure and its weight. Connections in this design must be made by welding or, if you do not have a welding machine, by bolts. The second method is a little easier to implement, but less reliable - bolted connections tend to weaken, so there is some chance that your moped will simply fall apart one day. The engine itself can be attached to the frame using conventional steel clamps - this is the simplest and most reliable solution.

Video tutorial: how to make a moped from a bicycle

Next, you need to install a pulley on the rear wheel. As already mentioned, a wheel from a children's bicycle is perfect as a pulley, having a diameter one and a half to two times smaller than the diameter of your bicycle wheel. You can also use a gear - in this case, the belt will change to a chain. In general, these two solutions are approximately equivalent, so it’s worth choosing the one for the implementation of which you have materials (or it’s easier to get them).

When the motor and belt (or chain) transmission are installed, the only thing left is to put the throttle on the bike handlebars. For this, a regular cable is used, which can be bought at any hardware or hardware store. It is carried out along the frame by analogy with how the brake cables go (you can look at the design yourself and you will understand everything). The throttle handle can be made from the brake handle - this is the easiest way. Accordingly, you will gasp by pressing this knob.

As you can see, it is quite possible to make a moped out of a bicycle at home, moreover, there is absolutely nothing complicated in this work. The main thing when you finish the assembly is to break in your moped near the house before leaving on the road. So you will definitely be sure of its reliability.

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