JR X-378 Setup

The throttle connects to THRO channel (1)

The auxiliary connects to GEAR channel (5)

ATV setup [TRAVL]

Setup the throttle servo and linkage as close to +/- 100% ATV as possible.

Set the GEAR channel ATV to +100% and -100%

The system is now ready for calibration. Calibration Procedure

The target rotor speed can be calculated using the ATV Calculator

Example 1): 2 speed setup:

Gear ratio = 9.3:1

TRAVL v  = 39%, TRAVL ^  = 72%

GEAR Sw Posn                 Rotor RPM

down (GEAR/INVERT)    1200

up                                   1500

Example 2): 1 speed setup and disable:

Gear ratio = 9.3:1

TRAVL v  = 0%, TRAVL ^  = 72%

GEAR Sw Posn                   Rotor RPM

down (GEAR/INVERT)       Disabled

up                                      1500

Example 3): Flight Mode Mixing:

        Set the throttle curves in Flight modes 1 and 2 above the throttle priority level.

Set the GEAR switch down to the (GEAR/INVERT) position

Set the GEAR ATV [TRAVL v] to 0%

Set the GEAR switch to the up position

Set the GEAR ATV [TRVL ADJ] to +100%

[MIX 3] - This mix disables the Governor in flight mode 'N'

GEAR->GEAR

Set the rate to -100%

SW: ON

[MIX 2] - This mix sets the target rpm to 1200rpm (39%) in flight mode '1'

GEAR->GEAR

Set the rate to +39%

SW: F-S12

[MIX 1] - This mix sets the target rpm to 1500 (72% - 39% see note below) in flight mode '2'

GEAR->GEAR

Set the rate to 33 (see note below)

SW: F-2

        Note: The MIX 1 rate is 72 (1500rpm) - 39 (1200rpm) = 33%

        Hint: You can observe the auxiliary setting by using a spare servo.

GEAR Sw Posn         Flight Mode     Rotor RPM

down (MIX)             N                    Disabled

                                1                    Disabled

                                2                    Disabled

up (GEAR/INVERT)  N                   Disabled

                                1                     1200 rpm

                                2                    1500rpm