Buyers on the market are offered various modifications of quadrocopters. They differ not only in parameters, but also in design. On average, the device has a length of 25 cm. The height of the standard model is 10 cm. Screws are used in various diameters. In this case, much depends on the engine power.
Also, quadrocopters have batteries. Depending on their capacity, the flight time changes. The radius of the device on average is 30 meters. Receivers are used in both low and high frequencies. To send a signal to the remote control, a transmitter is used. Cameras for models are installed on 2 and 4 megapixels.
2 kW model
Assembling this type of quadrocopters with a large radius of action and a do-it-yourself camera is quite simple. First of all, it is important to do the fuselage. For this, a frame for three racks is selected. The motor is installed in the middle of the device. Transmitters for the model are used only 2 Hz. Triggers are most often used analog type. On average, their conductivity does not exceed 12 microns. The negative resistance on the varistor must be about 55 ohms.
Particular attention when collecting a quadrocopter should be given to the blades. For a motor of the indicated power, they must be selected with a diameter of about 2.4 cm. The frame must have a length of not more than 22 cm. To stabilize the device in flight, a damper is used. It is sold with a height sensor. Regulators are used with feedthrough capacitors. A blowtorch is used to install them . The rectifier is connected to the transmitter via a diode bridge.
To increase the stability of the device, it is important to take care of a quality adapter. Directly, the height sensor is mounted above the varistor. The camera of the model should be mounted on the bracket. At the end of the work, it remains only to pick up a lightweight lithium-ion type battery.
Overview of devices with a 3 kW motor
How to assemble a 3 kW quadrocopter with a large radius of action with your own hands? In this case, many experts advise installing the motor on a lining. It is also important to note that a height sensor is more appropriate to use a capacitor type. The receiver itself is applied at 3 Hz. To stabilize the model in flight, there is a zener diode. It is installed through an adapter. A varistor is used to connect the device.
It is sold through and pulse types. In order to make the fuselage, a plastic frame is used. With a 3 kW motor, it is more advisable to pick it up on four racks. A triode is used to transmit the signal to the receiver. The specified element can only be installed through a rectifier. A diode bridge is not required in this case. The length of the frame should be about 23 cm. The height of the quadrocopter with a 3 kW motor is no more than 12 cm. Many experts recommend installing a lithium-ion type batteries. Their capacity should not exceed 200 Ah.
5 kW quadcopters
At 5 kW it is quite difficult to assemble quadrocopters with a large radius of action with your own hands (drawings are shown below). Receivers for them are suitable only for wired type. First of all, a skeleton is being constructed to assemble the quadrocopter. The frame is made of plastic as standard. Modification to four racks is ideal. First of all, it is important to do the installation of the motor.
After that, you need to fix the transmitter. The camera of the model must be under the motor. The bracket for it is selected rotary type. To control the flight, a damper is installed. The signal transmission from the element is due to the transistor. To protect it, cassette capacitors are used. In many cases, experts recommend rectifiers to use only the analog type. Conductivity in devices should not exceed 30 microns.
It is also important to pay attention to the ultimate resistance of the triggers. The indicated parameter averages 55 ohms. Before connecting the motor, it is important to test the output voltage. If the deviation is more than 2 V, the transistor should be replaced with a transitional modification.
Three Rack Devices
Quadrocopters with a long range and a three-post FPV camera are very common. Motors for these devices are selected low power. Adapters are most often used with frequency receivers. Their conductivity parameter does not exceed 3 microns. Triggers for quadrocopters are used with adapters. First of all, a frame is constructed for assembly.
The length of the frame must be about 33 cm. The height of the quadrocopter is allowed at 12 cm. The racks must be made of plastic. The minimum screw diameter is 2.5 cm. To stabilize the device in flight, a selector is installed. The specified element is connected through the conductor. It is also important to note that many experts recommend the use of height sensors. Batteries for quadrocopters are suitable lithium-ion type.
Four-Post Model Reviews
Making a quadrocopter with an FPV camera on four racks is quite simple. First of all, you should do the fuselage. For this, a plastic frame is being constructed. The diameter of the screws should be about 3.3 cm. The trigger for the model is selected contact type. The motor is used at 2.2 kW. The maximum frequency of the receiver should not exceed 3 Hz. An adapter is used to control the device. You can install it through a rectifier or diode bridge.
In the first embodiment, capacitors are used open type. If we consider a modification with a diode bridge, then the capacitor in quadrocopters with a large radius of action is installed with a lining. The capacity of the element must be at least 6 pF. Before connecting the controller, check the negative resistance. The specified parameter for the 2.2 kW model should not exceed 55 ohms.
Assembling a dual camera device
Home-made modifications to two cameras have recently been very popular. First of all, it is important to note that it is more expedient for them to use a motor for 4 kW. In total, the device needs three racks. The quadcopter frame is made of plastic.
The comparator is selected transition type. The minimum transmitter frequency is 4 Hz. To stabilize the device in flight, a trigger is used. Many experts recommend a quadcopter selector with a large radius of action and a camera to install through a rectifier. First of all, it will reduce the indicator of energy consumption.
It is also important to note that the rectifier significantly reduces the load on the capacitor. On average, the length of the quadrocopter is 24 cm. The height of the modification with two cameras should not exceed 11 cm. Varistors in many models use the analog type. Their conductivity is at around 2.4 microns.
Best quadrocopters with selective controller
The best quadrocopters with a camera and a selective controller are assembled on the basis of a pass-through trigger. In this case, the assembly should begin with the construction of the frame. Modifications to the three racks fit great. Conductors are used to connect the adapters.
The blades are used with a small diameter. It is recommended that experts install the motor at 3 kW. The maximum frequency of the receiver must be in the region of 4 Hz. To solve problems with stabilization in flight, a selector is used. Varistor is most often installed under the motor. An AP adapter is used to connect the camera. Adapters for the model are selected digital type.
Their conductivity index is at around 4 microns. Specialists also make devices with transition capacitors. In this case, the model uses transducers. Batteries for high-quality quadrocopters with a large radius of action are installed with a capacity of 300 Ah.
Devices with resonant controllers
To make a quadrocopter with the largest radius of action based on a resonant controller, you need a discrete trigger. It weighs a little and has good conductivity. The case for the device is made on three racks. The maximum height of the model can be 13 cm. The selector on the device is set to a digital type. A 2 kW motor is perfect. In this case, the batteries are lithium-ion type.
To stabilize the quadrocopter, varistors are installed. Modifications with dampers are very rare. The controller itself is installed through a diode bridge. Also, many experts recommend the use of rectifiers. Capacitors on quadrocopters are installed with a lining. The minimum screw length must be 3.5 cm. The transmitter frequency of a good model is 3 Hz.
Lithium Battery Model
On lithium batteries, a quadrocopter with a camera reviews, as a rule, gets good. Device controllers are wired and discrete. In this case, the motor is selected for 2 or 3 kW. The transmitter uses a high frequency type. Varistors are allowed to be installed through a diode bridge. In many cases, capacitors are used capacitive type.
Their reducibility parameter is 6 microns. Before connecting the motor, the device checks the negative resistance. This parameter must not exceed 55 ohms. On average, the receiver frequency is 30 Hz. Modifications with zener diodes are rare. Batteries are mounted under the motor. Frames are allowed to do on two and three racks.
Assembling a device with two batteries
Quadrocopters with a large radius of action and a camera that have two batteries can only be made on the basis of a powerful motor. The minimum frame length is 40 cm. On average, the device weighs about 3 kg. To control the modification, a controller is used. If we consider a model with a digital element, then the trigger applies a discrete type. As a rule, the frequency of quadrocopters is at 5 Hz. The output impedance fluctuates around 30 ohms.
If we consider modifications with operational controllers, then it is more expedient to install capacitors on a wave basis. To stabilize the device in flight, dampers are used. Many experts select regulators with lining. The minimum screw length is 3.5 cm. Triggers for the modification must be connected via a diode bridge.
Quadcopter on a two-channel receiver
Customer reviews say that quadrocopters with a large radius of action and a camera of this type are very popular. First of all, it is important to note that they are allowed to install a transition trigger. Modifications to 2 kW are very common. Selectors can be used both analog and pulse types. If we consider the first warrant, then the capacitors are selected at 60 pF. In this case, the trigger is connected via a diode bridge.
A quadcopter rectifier is not required. The dinistor in models is found, as a rule, of a linear type. A distinctive feature of the element is high conductivity. The threshold resistance index is typically 50 ohms. The maximum frequency of the receiver lies in the region of 3 Hz. Modifications with two batteries are rare. In this case, 5 kW motors are not allowed. On average, the length of the quadrocopter does not exceed 30 cm. The height of the device is not more than 13 cm.
Devices on a three-channel receiver
Quadrocopters with a large radius of action and a camera on three-channel receivers are assembled with various motors. The most popular are 3 kW modifications. In this case, the trigger applies a transition type. The selector is selected with an insulator. The frame for the device is used with a length of 32 cm. The varistor is used to stabilize the model of the binary type.
The conductivity parameter must be about 4 microns. It is also important to consider maximum resistance. This parameter is usually within 55 ohms. To connect a capacitor, a diode bridge is used. Some versions use a rectifier. The receiver itself is mounted under the motor. The screws on the device are installed last.
Blade Series Model Overview
Large quadrocopters with a camera of this series are in great demand. First of all, it is important to note that they have a quality 2 kW motor. The frequency of this device reaches 4 Hz. The trigger under the motor is set to run-through type. The selector is used with two diodes. If you believe the reviews of experts, it rarely breaks. To accelerate the device, a controller is used. The damper is installed with one lining.
Assembling the MJX Series
This quadrocopter with a camera (range - 30 meters) is produced with a 3 kW motor. The trigger in the device is used without an adapter. If necessary, it is allowed to connect a smartphone for control. To stabilize the model, a selector is used. Varistor is standardly selected pulse type. In total, the quadrocopter has two capacitors. The adapter is available with an insulator. The total length of the model is 23 cm. The height of the device is only 12 cm. The model controller is installed with a frequency of 2.4 Hz. The zener diode in this case is absent.
Reviews about quadrocopters Udi RC series
These quadrocopters are made with one camera. Motor power is 4 kW. The maximum frequency of the device does not exceed 2 Hz. If you believe the reviews, the range is about 40 meters. The trigger of the model uses a transition type.
His conductivity is 8 microns. There are no stabilization problems with the model. The controller is used pulse type. The adapter is used in very compact sizes. It is also important to note that the model has two contact capacitors. On the market, this quadrocopter is sold at a price of 32 thousand rubles.