This is a device that stands out from the competition. Its principle, reciprocating engines, is not new, but it is very rarely encountered. Eachine wanted to give it a look "flying car", for a rather approximate result. Note that the device was given to us by the Banggood shop. As usual, tell us if you think the practice has influenced our judgment.
Tour of the owner
The Racer 180 holds more than one tank of assault than a car ... Its frame is imposing, with large plates of carbon horizontal and vertical. On the balance, it is displayed at 444.9 grams (without its battery). Here is a heavyweight ... yet equipped with small 4-inch triple helices, and without possibility of installing larger ones. No indication on engines, but these are, according to the data sheet, 2205 to 2350KV. Rather sturdy, therefore, and animated by 20A ESCs well hidden inside the frame. A little too well hidden, moreover, since they are not directly accessible. These are 4-in-1 models. The arms of the engines are of the tubular type, made of carbon. They are mounted in such a way that they turn on their axis, driving the motors in a forward or backward inclination. This inclination is controlled by two threaded rods connected to a single servo. It is oddly placed, too big to be fully housed inside the frame, yet voluminous ... and rather empty. It therefore passes over to the side.
Continuation of tour
The Flight Controller is a SP Racing F3 under Cleanflight 1.13. The microUSB connector is easily accessible by an open notch in the left side of the device. This flight controller is connected to a 2.4 GHz Eachine IA6 radio transmitter, compatible with the AFHDS 2A format. The connection is not in PPM, so there are wires for each motor. To this is added a connector for the servo, placed on the pins 2 of the receiver. The camera at the front is a 1000TVL mounted on a hinge. It is possible to change the inclination by using two screws, but they are not easy to access. This said, we'll see, tipping the camera is useless! It is connected to a 5.8 GHz video transmitter glued under the top plate. It is advertised at 350 mW and 40 channels including the ImmersionRC Raceband. In fact, it is a Skyzone TS5823S that offers well the 40 channels and the Raceband, but with a power of 200 mW "only". That said, the maximum power allowed in Europe is 25 mW, so it is too much to be in order. The settings go through a series of Dips that are accessible at the back of the machine, via a notch in the top plate. A polarized mushroom antenna is provided in the box.
End of tour
Almost all of the upper plate and the two side plates form a nacelle for receiving the battery. The model delivered is a Lipo 4S 14,8V of 1100 mAh and 30C. Very small, since it measures no more than 8 cm in length while the nacelle is designed for a battery that can reach 11 cm in length (and 3.5 cm in width). With this battery, the weight of the Racer 180 passes, in order of flight, to 656.7 grams. A row of LEDs is located on the top of each side of the frame, insulated from the carbon with a plastic strip, fed by cables welded to the outside. The nacelle for the battery is covered by the plastic fairing, held by 4 pins. Two copies are delivered in the box, one sky blue and one white. A buzzer completes the endowment of the Racer 180. The device is an RTF model, so it comes with a Eachine i6 radio control, equivalent to a Flysky i6. Everything is already preset. Convenient !
Before taking off
Small passage in Cleanflight Configurator to check these settings, arming method, failsafe, rates, etc. By removing the propellers, the necessary precaution when accessing the flight controller with the battery connected, it is realized that the nuts are difficult to unscrew even with the small key provided in the box. To screw them back is, one would expect, just as painful. Cleanflight indicates several important information. The arming of the motors is not specified, so it is the usual method, with the left joystick, which is activated. The SWB controls Angle mode and Acro mode. Nothing is indicated for the SWC switch ... yet activating it produces a beep. The reason is that it is directly related to the servo that controls the inclination of the motors. Arm with all the switches up ... gives nothing. In fact, it is necessary to switch the SWC switch to the middle position for the arming to be operational. Note in passing that the diodes on the side are very powerful, but that they are seen virtually no longer when the fairing is in place. For the record, the settings of the remote control are inoperative.
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