The Dual Receiver 10-20 R Gyro + GPS is the high-end product of the weatronic product line. Besides all functions of the 10-20 R Gyro version, this version includes an independently operating, GPS-based data logging system. The GPS determines flight data such as position, flight path, flight speed, maximum flight speed, altitude, and maximum altitude. The data is stored on the internal flash memory. In case the on-board SD/MMC card has been inserted, flight data will be stored there at the beginning. All the GPS data is shown graphically by means of the weatronic FSE software and can be stored on the PC.
The Dual Receiver 8-12 R has 8 channels which may be combined in any way with 12 outputs for the connection of 12 servos. Even those digital servos which are the most powerful ones by torque (such as the types Futaba S 9152, Graupner DS 8411 or Hitec 5745 MG) are operating at full load and maximum torque, due to the peak current power unit and the constant voltage of 6 V. The Dual Receiver 8-12 R will find the channel of the related transmitter in the 35 MHz A and B band either all by itself, or it will be configured
the desired channel. Versions for the 36 and 72 MHz bands (USA) are also available.
All settings conducted in view of the operation of the Dual Receiver 8-12 R, such as the selection of the modulation procedure, allocation of servos, and synchronization of servos can be implemented in a simple way by means of the software included. The program is self-explanatory and can be used easily, even by individuals, who are no skilled PC professionals. Any number of servo outputs (up to a maximum of eight) can be allocated to each channel. The precise synchronization conducted on up to 16 points of the servo travel by several servos acting on one control surface is done by the Dual Receiver automatically with a mouse click by means of its functional software. Therefore, a servo setting unit is not required at all. Moreover, any use of V cables is not only unnecessary, but would have a deteriorating effect, because the voltage would be reduced considerablyand the servos could not develop their full performance. The purpose of the expensive electronic power supply syste m of the Dual Receiver would thus be destroyed.
The power unit of the Dual Receiver 8-12 R supplies the servos with a constant voltage of 6 V, disregarding whether NimH or LiPo batteries are connected. The current value made available - 20 amps short-term - is by far sufficient to call up completely the performance of even the most powerful digital servos that are commercially available. The supply lines of the servos are screened, the signal impulses of the Dual
Receiver are amplified, and controlled in an optimum way. Therefore, the servo cables may be sufficiently long. But it is recommended, to use stranded silicon cable exclusively, with a cross section of 0.35 mm². Further details can be found in the Installation Recommendations,Par. 5.
One can select by choice the highly safe digital modulation procedure Graupner SPCM or the equally safe procedure Futaba PCM 1024. Multiplex customers or transmitter owners mastering the analogue PPM modulation may switch over to this procedure by mouse click. To fully utilize the safety reserves of the weatronic Dual Receiver 8-12 R, it has been recommended to use one of the PCM procedures. With regard to the battery connection, six-cell NimH batteries or two-cell LiPo batteries available at weatronic can be used. But batteries from other suppliers/manufacturers featuring the appropriate specifications may also be used.
The design structure of the Dual Receiver 10-20 R is identical with the one of the smaller variant, but it has 10 channels which can be allocated in any way to the 20 outputs, in order to connect 20 servos.
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