阅读说明：本技术 无动力模型 (Unpowered model ) 是由 张斌 于 2019-02-02 设计创作，主要内容包括：本发明公开了一种无动力模型,特别是一种依靠牵引绳牵引做圆周运动赋予初速度的无动力航模。其特征是：牵引绳设置、固定于固定翼航模飞机的左翼或者右翼的一端,固定翼航模飞机在牵引绳牵引下做圆周运动,牵引绳也可以设置、固定在与飞机Y轴平行或者基本平行的连杆上。本绳索与固定翼飞机组合的技术方案制作成遥控滑翔机、电动自由飞航模、有动力电动遥控飞机,大大提高了放飞的初速度；当放飞对象是电动自由飞航模时,大大提高了自由飞的趣味性,竞技性,为自由飞航模的竞赛提供了新的方法与竞赛项目。(The invention discloses an unpowered model, in particular to an unpowered model airplane which gives initial speed by means of circular motion drawn by a traction rope. The method is characterized in that: the hauling cable is arranged and fixed at one end of the left wing or the right wing of the fixed-wing model airplane, the fixed-wing model airplane does circular motion under the traction of the hauling cable, and the hauling cable can also be arranged and fixed on a connecting rod which is parallel or basically parallel to the Y axis of the airplane. The technical scheme of the combination of the rope and the fixed wing aircraft is manufactured into a remote control glider, an electric free flying model airplane and a power electric remote control aircraft, so that the initial flying speed is greatly improved; when the flying object is the electric free flying model airplane, the interestingness and the competitive performance of free flying are greatly improved, and a new method and a new competition project are provided for the competition of the free flying model airplane.)

1. The unpowered model comprises a unpowered fixed-wing model airplane body and a traction rope, and is characterized in that: the hauling cable is arranged, fixed and suspended at one end of the left wing or the right wing of the fixed-wing model airplane, the fixed-wing model airplane performs circular motion under the traction of the hauling cable, and the hauling cable can also be arranged, fixed and suspended on a connecting rod which is parallel or basically parallel to the Y axis of the airplane.

2. The unpowered model of claim 1, wherein: the haulage rope sets up with the fixed wing model aeroplane and model ship aircraft in the mode of not breaking away, constitutes an organic whole, and after taking off the hand, haulage rope, fixed wing model aeroplane and model ship aircraft do independently flight jointly, and haulage rope, fixed wing model aeroplane and model ship aircraft throw out the flight together with the fixed wing model aeroplane and model ship aircraft after doing the circular motion and giving the fixed wing model aeroplane and model ship aircraft initial velocity, and the fixed wing model aeroplane and model ship aircraft carries the haulage rope promptly and does the flight motion.

3. The unpowered model of claim 2, wherein: the hauling rope and the machine body are connected into a whole through a combination process, or the hauling rope and the buffer component are combined and then connected into a whole through a combination process.

4. The unpowered model of claim 1, wherein: the hauling rope and the fixed-wing model airplane are combined temporarily and integrally, and after the fixed-wing model airplane performs circular motion and gives the initial speed to the fixed-wing model airplane, the fixed-wing model airplane and the fixed-wing model airplane are separated from each other in a controllable separation mode or a tensile force limit fracture separation mode.

5. The unpowered model of claim 4, wherein: the controllable separation mode is that the traction rope is unhooked in a hook and locking ring connection mode, the traction rope is connected with the locking pin through the locking ring, and the traction rope is electrically unhooked in a hot-melting rope connection mode through the locking ring; the rope tension limit fracture separation mode can be a clamping sleeve, the clamping head tension limit fracture mode can be an elastic hanging rod tension limit fracture mode.

6. The unpowered model of claim 5, wherein: when the traction rope is connected to the wings of the fixed-wing model airplane through the hooks and the locking rings, the locking rings can be in a closed ring shape or an open ring structure, the positions of the hooks and the locking rings on the traction rope and the wings can be interchanged, and the locking rings and the wings are connected into a whole through a combination process, or the locking rings and the buffering parts are combined and then connected into a whole through a combination process.

7. The unpowered model of claim 1, wherein: the technical scheme of the combination of the rope and the fixed wing aircraft is manufactured into a remote control glider, an electric free flying model and a powered electric remote control aircraft.

8. The unpowered model of claim 1, the step of letting off when the tow rope is engaged by the hook and lock ring on the wing of the fixed wing unpowered model aircraft comprising:

when the traction rope is connected to the wing of the fixed-wing model airplane through the hook and the locking ring, the traction rope is held by hands to pull the wing of the fixed-wing model airplane to do small-radius rotary motion, so that the fixed-wing model airplane is endowed with a smaller initial speed;

secondly, the flyer gradually increases the hovering flying speed of the fixed-wing model airplane, so that the fixed-wing model airplane has stronger acting force and counterforce on the traction rope, and the traction rope is gradually released in the process, so that the hovering radius and the hovering speed of the fixed-wing model airplane are gradually increased;

and thirdly, when the flyer considers that the speed of the fixed-wing model airplane is high enough, the fixed-wing model airplane is windward to decelerate the model airplane, the traction rope is gradually loosened, the arm holding the traction rope is slightly shaken along with the situation, the traction rope, the hook and the locking ring are instantaneously and mutually disengaged, namely, the traction rope is disengaged from the fixed-wing model airplane along with the situation, and the fixed-wing model airplane autonomously performs flying motion.

9. The unpowered model of claim 1, wherein: the unpowered model comprises the following steps when the model airplane is an electric free flying model airplane:

starting an electric free flight model power switch with a delayer or a unhooking sensor and an attitude sensor, enabling the delayer or the unhooking sensor and the attitude sensor to enter a working state, and manually drawing the flight model to rotate and hover;

secondly, the flyer gradually increases the hovering flying speed of the fixed-wing model airplane, so that the fixed-wing model airplane has stronger acting force and counterforce on the traction rope, and the traction rope is gradually released in the process, so that the hovering radius and the hovering speed of the fixed-wing model airplane are gradually increased;

when the time of the delay switch is up, the model is released according to the operation steps and the form of the unpowered model release, and then the power motor is started; when the model airplane with the power motor is started by using the delay sensor, the model airplane can be automatically started by the sensor according to the operation steps and the form of the unpowered model flying operation, and the model airplane can start the power motor to fly under the action of the sensor and output a starting signal.

10. The unpowered model of claim 1, wherein: the unpowered model comprises the following steps when the model airplane is an electric remote control airplane:

starting an electric remote control airplane remote controller, adjusting each operating handle, closing a power motor operating handle to prepare for flying, starting a power supply of the electric remote control airplane, and adjusting a control plane to prepare for flying;

secondly, the remote controller is held by the left hand or operated by a single flyer, and the flyer is responsible for flying the electric remote control airplane;

fixing the rope on the wings of the electric remote control airplane, combining and according to the unpowered model, circling, accelerating, unhooking and releasing the electric remote control airplane in the releasing step;

and fourthly, at the moment that the airplane is unhooked, the electric remote control airplane quickly pushes the motor starting handle, the power motor of the electric remote control airplane is started and accelerated, the electric remote control airplane is accelerated along the trend, and the pull rod climbs and takes off.

(I) technical field

The invention relates to an unpowered model, in particular to an unpowered model airplane which gives initial speed by means of circular motion drawn by a traction rope.

(II) background of the invention

At present, the initial speed given by the well-known unpowered model airplane during takeoff is from throwing by hands of a flyer or throwing upwards after the flyer grabs wings to move circularly, the requirements on arm strength and physical strength of the flyer are high, the skill is poor, the model airplane is not suitable for children to play, stable hovering accelerated motion cannot be realized, the entertainment is not strong enough, and the skill and the competitive performance are not strong enough, so that the unpowered model airplane is not given with enough initial speed, the gliding distance is very short, the model airplane cannot fly for a longer distance and a higher height, and the long-term air-staying time is realized.

Disclosure of the invention

In view of the defects and shortcomings of the unpowered model airplane, the invention aims to provide the unpowered model airplane which does circular motion under the traction action of the traction rope, a flyer can not do circular motion per se, the unpowered model airplane does circular motion under the traction action of the traction rope only through the control of arms and wrists, a larger initial speed is given, the unpowered model airplane can fly independently from the flyer, and the unpowered model airplane can be applied to an electric free flying model airplane, an electric remote control model airplane and an electric gliding model airplane, and has positive significance for improving the flying pleasure, the flying height, the flying distance and the flying time and further flying under the control of a steering engine.

The technical scheme adopted by the invention for solving the technical problems is as follows: the unpowered model comprises a unpowered fixed-wing model airplane body and a traction rope, and is characterized in that: the hauling cable is arranged, fixed and suspended at one end of the left wing or the right wing of the fixed-wing model airplane, the fixed-wing model airplane performs circular motion under the traction of the hauling cable, and the hauling cable can also be arranged, fixed and suspended on a connecting rod which is parallel or basically parallel to the Y axis of the airplane.

The haulage rope can form an organic whole with the fixed wing model aeroplane and model ship aircraft with the mode that does not break away from, and after taking off the hand, haulage rope, fixed wing model aeroplane and model ship aircraft do independently flight jointly, and haulage rope and fixed wing model aeroplane and model ship aircraft also can do temporary integrated combination, and the haulage rope does independently flight with the fixed wing model aeroplane and model ship aircraft after separating each other fixed wing aircraft.

The hauling rope and the fixed-wing model airplane are combined temporarily and integrally, and after the fixed-wing model airplane performs circular motion and gives the initial speed to the fixed-wing model airplane, the fixed-wing model airplane and the fixed-wing model airplane are separated from each other in a controllable separation mode or a tensile force limit fracture separation mode. The controllable separation mode comprises the following steps: the traction rope is unhooked in a hook and locking ring connection mode, the traction rope is connected with the locking pin through the locking ring, and the traction rope is electrically unhooked in a hot-melt rope connection mode through the locking ring; the tensile limit fracture separation mode comprises the following steps: the rope tension limit fracture mode can be a clamping sleeve, the tension limit fracture mode of a clamping head can be an elastic hanging rod tension limit fracture mode.

The tow lines may also be secured to links that are parallel or substantially parallel to the plane Y axis, i.e., the pitch axis of the plane, which is the plane whose moment imbalance is pitching.

The haulage rope sets up with the fixed wing model aeroplane and model ship aircraft in the mode of not breaking away, constitutes an organic whole, and after taking off the hand, haulage rope, fixed wing model aeroplane and model ship aircraft do independently flight jointly, and haulage rope, fixed wing model aeroplane and model ship aircraft throw out the flight together with the fixed wing model aeroplane and model ship aircraft after doing the circular motion and giving the fixed wing model aeroplane and model ship aircraft initial velocity, and the fixed wing model aeroplane and model ship aircraft carries the haulage rope promptly and does the flight motion.

The hauling cable and the machine body are connected into a whole through a combination process, or the hauling cable and the buffer component are combined and then connected into a whole through a combination process, the buffer component plays the roles of dispersing the pulling force of the hauling cable and the surface action force of the hauling cable on the material of the machine body, the buffer component can be a rod-shaped object or a hollow rod-shaped object, can be a sheet object, can be a ring object, can be a spherical object similar to a sphere, and the like, and requires light weight and good strength, the hauling cable is combined with the buffer component, the buffer component is combined with the machine body, the combined process of the traction rope and the machine body can be completed by using bonding, binding, welding, hollowing, slotting, sleeving or injection molding or foam foaming or other combined assembling processes, and the traction rope passes through the buffer component and then passes through the combined process with the machine body.

The hauling cable and the fixed-wing model airplane form a unified whole, and the light hauling cable is adopted, so that the fixed-wing model airplane can complete flying motion together.

When the traction rope is connected to the wing of the fixed-wing model airplane through the hook and the locking ring, the locking ring can be in a closed ring shape or an open ring structure, and the positions of the hook and the locking ring on the traction rope and the wing can be interchanged, as shown in fig. 2.

The locking ring is connected with the wing into a whole through a combination process, or the locking ring and the buffering part are combined and then connected with the wing into a whole through a combination process, the buffering part plays a role in fixing the locking ring, dispersing the tensile force of the traction rope and the action force of the traction rope on the surface of a machine body material, the buffering part can be a rod-shaped object, a hollow rod-shaped object, a sheet-shaped object, an annular object or a spherical approximately spherical object, can be made of the same material and integrally with the locking ring, such as plastic die sinking, steel wire bending, metal sheet stamping and the like, and requires the light weight and good strength material, the locking ring is combined with the buffering part, the buffering part is then combined with the wing, or the locking ring and the buffering part are integrally made and then combined with the wing, wherein bonding, binding, welding, hollowing and slotting can be used, The sleeve or injection molding or foam foaming or other combined assembly processes are used for completing the process that the traction rope and the machine body pass through the combined process, and the locking ring passes through the buffering part and then passes through the combined process with the wing.

After the fixed-wing model airplane is given the initial flying speed, the hauling cable is unhooked by the flying skill of a flying person, and is separated from the fixed-wing model airplane, so that the fixed-wing model airplane performs flying motion. The flying technique of the flyer is described below, and the unpowered model comprises the following steps when the traction rope is connected to the wing of the unpowered model airplane with fixed wings through the hook and the locking ring.

When the traction rope is connected to the wings of the fixed-wing model airplane through the locking ring and the locking pin, the locking ring and the locking pin are controlled to be separated from each other through the electromagnetic switch, the servo motor and the steering engine after the fixed-wing model airplane is given the initial flying speed, so that the traction rope is unhooked and separated from the fixed-wing model airplane, and the fixed-wing model airplane performs flying motion by itself.

When the traction rope is connected to the wing of the fixed-wing model airplane through the locking ring and the thermal fusing rope, the thermal fusing rope is fused by the heating circuit through the switching circuit after the fixed-wing model airplane is given the initial flying speed, so that the traction rope is unhooked and separated from the fixed-wing model airplane, and the fixed-wing model airplane performs flying motion by itself. The thermal fuse cord is a cord which melts when heated and has good strength, such as nylon material.

When the traction rope and the fixed-wing model airplane form a whole in a separation mode, the traction rope and the fixed-wing model airplane can be temporarily and integrally combined in a mode of bearing the tension limit fracture, the tension limit fracture mode can be a rope tension limit fracture mode, can be a clamping sleeve, and the tension limit fracture mode of a clamping head can be an elastic hanging rod tension limit fracture mode or other modes of bearing the tension limit fracture.

When the traction rope is connected to the wing of the fixed-wing model airplane in a rope tension limit fracture mode, the limit fracture rope is selected and manufactured according to the maximum bearing tension. If the centrifugal force reaches 500 g and the rope needs to be broken and separated, the ultimate breaking rope is selected and manufactured according to the 500 g pulling force.

When the traction rope passes through the clamping sleeve, the tension limit fracture mode of the clamping head is connected on the fixed-wing model airplane wing, the clamping sleeve and the clamping head are selected and manufactured according to the maximum bearing tension. If the centrifugal force reaches 500 g and the rope needs to be broken and separated, the ultimate breaking rope is selected and manufactured according to the 500 g pulling force.

When the traction rope is connected to the wing of the fixed-wing model airplane in a tension limit fracture mode through the elastic hanging rod, the locking ring is matched with the elastic hanging rod, and when the centrifugal force basically reaches the required tension bearing range, the elastic hanging rod deforms along the tension direction and is separated from the locking ring along the tension direction, so that the unhooking action is completed.

Any of the controllable separation methods includes: generally, the weight balance of the left wing and the right wing should be ensured, so light materials are selected as far as possible, or unbalanced mass caused by a separation mode is offset through an unbalanced design, the materials are suitable in actual flight tests, and the influence is considered to be very little and ignored.

The unpowered model traction method is also suitable for a flying mode of a remote control glider, an electric free flying model and an electric remote control airplane, namely, flying objects of the unpowered model traction method can also be the remote control glider, the electric free flying model and the dynamic electric remote control airplane.

Electronic free model of flying to the electric energy is as the flight power energy to the electronic model of flying to no longer receive the electronic model of flying after the back of taking off to control by external wireless medium, perhaps take off the aircraft that back no longer unified, orderly recovery in batches, external wireless medium generally includes the radio, the infrared ray, the ultrasonic wave, the sound, but does not include the operating signal radio signal that the order of taking off was assigned. The control circuit realizes the control of the working time of the power motor by using various delay circuits or directly drives the motor to fly by using a battery and a capacitor, and generally only has a simple function of controlling the switch or the rotating speed of the power motor.

The electric free flying model airplane and the electric remote control airplane are in an unpowered stage in the flying stage acceleration stage, and the method and the structure are combined with each other, so that the unpowered acceleration time can be prolonged, and the initial speed of release can be improved, namely, after the electric free flying model airplane is endowed with a larger initial speed, the autonomous power motor of the electric free flying model airplane is started, and the electric free flying model airplane flies autonomously.

The technical scheme of the combination of the rope and the fixed-wing aircraft is manufactured into a remote control glider, an electric free flying model and a powered electric remote control aircraft, and when the model is the remote control glider or the electric free flying model, the electric free flying installation has the function of automatically starting a power motor in a delayed mode or starting the power motor by a unhooking sensor and an attitude sensor.

The electric remote control airplane is in an unpowered or powered stage in the flying-off stage acceleration stage, the method and the structure are combined with each other, the unpowered acceleration time can be prolonged, the initial speed of release is improved, namely after the electric remote control airplane is endowed with a larger initial speed, the autonomous power motor of the electric remote control airplane is started to fly autonomously, so that the step of flying off, running and accelerating the general remote control airplane at the pull rod is practically omitted, and the method has important development significance and value for improving the flying-off mode of the electric remote control airplane and expanding the flying-off mode of the electric remote control airplane.

The unpowered model comprises the following steps of flying when a traction rope is connected to the wings of a fixed wing unpowered model airplane through a hook and a locking ring:

when the traction rope is connected to the wing of the fixed-wing model airplane through the hook and the locking ring, the traction rope is held by hands to pull the wing of the fixed-wing model airplane to do small-radius rotary motion, so that the fixed-wing model airplane is endowed with a smaller initial speed;

secondly, the flyer gradually increases the hovering flying speed of the fixed-wing model airplane, so that the fixed-wing model airplane has stronger acting force and counterforce on the traction rope, and the traction rope is gradually released in the process, so that the hovering radius and the hovering speed of the fixed-wing model airplane are gradually increased;

and thirdly, when the flyer considers that the speed of the fixed-wing model airplane is high enough, the fixed-wing model airplane is windward to decelerate the model airplane, the traction rope is gradually loosened, the arm holding the traction rope is slightly shaken along with the situation, the traction rope, the hook and the locking ring are instantaneously and mutually disengaged, namely, the traction rope is disengaged from the fixed-wing model airplane along with the situation, and the fixed-wing model airplane autonomously performs flying motion.

The unpowered model comprises the following steps when the model airplane is an electric free flying model airplane:

starting an electric free flight model power switch with a delayer or a unhooking sensor and an attitude sensor, enabling the delayer or the unhooking sensor and the attitude sensor to enter a working state, and manually drawing the flight model to rotate and hover;

secondly, the flyer gradually increases the hovering flying speed of the fixed-wing model airplane, so that the fixed-wing model airplane has stronger acting force and counterforce on the traction rope, and the traction rope is gradually released in the process, so that the hovering radius and the hovering speed of the fixed-wing model airplane are gradually increased;

when the time of the delay switch is up, the model is released according to the operation steps and the form of the unpowered model release, and then the power motor is started; when the model airplane with the power motor is started by using the delay sensor, the model airplane can be automatically started by the sensor according to the operation steps and the form of the unpowered model flying operation, and the model airplane can start the power motor to fly under the action of the sensor and output a starting signal.

The remote control glider and the electric free flying model airplane are in an unpowered stage in the flying stage, so the method is suitable.

The unpowered model comprises the following steps when the model airplane is an electric remote control airplane:

starting an electric remote control airplane remote controller, adjusting each operating handle, closing a power motor operating handle to prepare for flying, starting a power supply of the electric remote control airplane, and adjusting a control plane to prepare for flying;

secondly, the remote controller is held by the left hand or operated by a single flyer, and the flyer is responsible for flying the electric remote control airplane;

fixing the rope on the wings of the electric remote control airplane, combining and according to the unpowered model, circling, accelerating, unhooking and releasing the electric remote control airplane in the releasing step;

and fourthly, the electric remote control airplane takes off and takes off the airplane, the flyer quickly pushes the motor starting handle, the power motor of the electric remote control airplane is started and accelerated, the electric remote control airplane is accelerated along the trend, and the pull rod climbs and takes off.

The unpowered model has a simple working principle, the fixed-wing model airplane performs circular motion under the traction of the traction rope, the fixed-wing model airplane is endowed with initial speed, and the traction rope is separated from or not separated from the fixed-wing model airplane in an autonomous flight mode selected according to a specific model and hobbies, and the form of the traction rope is separated from the fixed-wing model airplane.

The invention has the beneficial effects that the invention provides the unpowered model which does circular motion under the traction action of the traction rope, a free-wheeler can not do circular motion per se, and is endowed with larger initial speed, when the free-wheeler is a common hand throwing toy, through practical tests, the unpowered model released by the method is about 3 times of the initial speed of the model released by the hand throwing mode under the same condition, and the initial speed of the release is greatly improved; when the flying object is the electric free flying model airplane, the interestingness and the competitive performance of free flying are greatly improved, and a new method and a new competition project are provided for the competition of the free flying model airplane; when the flying object is a remote control glider model airplane, a flying mode is added, the flying area and the field are reduced, a competition mode is added, and a new method and a competition project are provided for competition of the remote control glider; when the flying object is the remote control electric airplane model airplane, one more flying mode is provided, the flying area and the field are reduced, one more competition mode is provided, a new method and competition items are provided for competition of the remote control electric airplane, and children can easily realize unpowered flying without departing from the mode and teach through entertainment.

The aircraft is a brand-new and pioneering takeoff mode, and after listening that the submachine carried by the master aircraft is lifted off, the submachine releases and starts the engine, for example: x-1 rocket experiment machine, X-1 wing is very thin, straight wing type. It is carried into the air by a heavy B-29 bomber, and then ignited in the air and flying independently. The takeoff speed is obtained after circular motion is not heard, then the engine is started in the air, in a climbing flight mode, after the online control circular motion, the engine is unhooked, and the takeoff mode of starting the engine in the air is a development takeoff mode with innovative properties, and has creative significance for the future development of the takeoff mode of the unmanned aerial vehicle.

The unpowered fixed wing model airplane has various unhooking modes and even flies without unhooking.

In the field of remote control gliders, a flying mode is provided, the flying area and the flying field are reduced, and the remote control gliders also have more optional designs and schemes; the electric free flight model has the advantages that a free flight mode is added in the field of electric free flight, the free flight mode is abandoned from a simple hand, the manual selection and the spiral free flight mode are realized, the initial speed of the free flight mode can be better obtained under the control of the time delay of a timer, a sensor and the movement of the free flight skill, the personal skill and the personal ability of a free flight person can be better endowed to the electric free flight model, the personal free flight skill and the personal ability can be better displayed, the significance is more important in the model airplane competition, a brand-new electric free flight model competition project can be developed in an exploding mode, the free flight mode competition project can be separated from the free flight person, and the electric free flight model has positive significance for improving the flight pleasure, the flight height, the distance and the air-leaving time and further flight under the control of a steering engine.

(IV) description of the drawings

FIG. 1 is an overall schematic of the unpowered model of the present invention.

FIG. 2 is a schematic view of the engagement of the unpowered model tow rope of the present invention by the hook and locking ring.

FIG. 3 is a schematic view of the unpowered model tow rope of the present invention engaged by a locking ring and a locking pin.

FIG. 4 is a schematic diagram of the tension limit break mode engagement of the unpowered model rope of the present invention.

FIG. 5 is a schematic diagram of the tension limit fracture mode engagement of the clamping head of the unpowered model clamping sleeve of the present invention.

FIG. 6 is a schematic diagram of the tension limit fracture mode of the elastic hanging rod of the unpowered model.

FIG. 7 is a schematic diagram of the unpowered model electric free flying model circuit of the invention.

FIG. 8 is a schematic diagram of the control mode of the unpowered model steering engine of the present invention.

In the figure, 1, a fixed wing aircraft body, 2, a traction rope, 3, a left wing, 4, a locking ring, 5, an electromagnet coil, 6, a locking pin, 7, a hook, 8, an elastic hanging rod, 9, a clamping head, 10, a clamping sleeve, 11, a rope tension limiting section, 12, a rod-shaped buffer part, 13, a positioning ring, 14, a tension spring and 15 are provided with a limiting mechanism.

(V) detailed description of the preferred embodiments

Taking fig. 1 and 2 as examples, a traction rope (2) and a hook (7), a left wing (3) of a fixed-wing model airplane is fixed with a locking ring (4), the locking ring (4) is fixed on a rod-shaped buffer part (12) made of the same material as plastic, wood or even the locking ring (4), and the processes of bonding, welding, mold opening, injection molding and the like are integrated, the hook (7) is sleeved into the locking ring (4) and is connected onto the wing of the fixed-wing model airplane through the hook and the locking ring according to the traction rope, according to the unpowered model, the traction rope is connected onto the wing of the fixed-wing model airplane through the hook and the locking ring in a linkage manner, and the four steps of flying, namely, circling, accelerating, unhooking and flying are only needed, and the hook (7) and the locking.

The hauling cable and the machine body are connected into an integral unpowered model through a combination process, for example, as shown in figure 1, the wing (3) is made of foam and is made of material, an installation groove of a rod-shaped buffer component (12) is formed on the wing through a grooving process or a die-sinking injection molding process, the rod-shaped buffer component (12) penetrates into the hollow rod-shaped buffer component (12) through the hauling cable (2) and is fastened at one end, the rod-shaped buffer component (12) and the installation groove of a person installing the rod-shaped buffer component through the hauling cable (2) are bonded, and thus the manufacture of the integral unpowered model through the combination process of the hauling cable and.

Fig. 7 is a schematic diagram of a circuit of an unpowered model electric free flying model of the present invention, in which a free flying model delay single chip microcomputer is implemented by an 8-pin low-cost single chip microcomputer such as PIC12F508, two delay programs, a start-up delay and a shut-down delay can be set as required, Q1 is a power switch, an N-channel effect tube, PG1 is a power motor, a key switch in the diagram can be a key switch, or a travel switch can be selected as required, etc., after the delayed start-up and the delayed shut-down are programmed in the single chip microcomputer, the delayed start-up time is used in a spiral acceleration stage according to personal operation time, after the free flying model is unhooked, the delayed start-up time is reached, the power motor is started, the model flies by itself, after one end of the flight time, the delayed shut-down program closes the power motor, and the free flying model lands by itself, thereby. The key switch can be a travel switch, namely a unhooking sensor, a mechanical unhooking sensor, the model is triggered and started at the moment of unhooking of the model, the power motor is started to work, the model flies autonomously, after a period of time is delayed, the power motor is closed, the free flying model lands automatically, the whole flying process is completed, the unhooking sensor can also be understood as an attitude sensor, an acceleration sensor and the like can also be used, an output signal is transmitted to the input end of the single chip microcomputer, the power motor is started according to a corresponding program, the work flies, the combination and the manufacture of the unpowered model and the electric free flying model are completed, and the remote control glider and the electric remote control airplane can be manufactured as well.

The control principle of the electromagnetic switch shown in fig. 3 can refer to a single-channel radio remote controller, and the control object is a remote control schematic diagram of a relay, for example, a circuit drawing of a single-channel multidirectional remote control automobile model (journal of radio, 1982, journal of 11, page 25), in which J1, namely a circuit control object relay, controls by replacing J1 with an electromagnet. In the steering engine control mode shown in fig. 8, the steering engine can be controlled by a remote controller or can be controlled by a single chip microcomputer.