Here are some tips that will help you with setting up your Spartan DS-760 gyro on your T-Rex 450, 500 and 600 helicopters.

For all helis:

If you don’t have the USB interface:

1. Plug both of your gyro leads to the receiver (don’t plug the servo at this time).

2. Bind your transmitter and receiver (2.4 GHz). If you are using Spektrum, make sure you hold left rudder while binding and that your collective/throttle stick is all the way down.

3. Power on your transmitter and then power on your receiver while holding left rudder on your transmitter and toggling the heading hold switch to access the servo menu on the gyro. Select the type of servo you are going to run as per the instructions that came with the gyro.

4. Now that you have the correct servo configuration, turn off the receiver, plug your tail servo in and then restart transmitter. Then, turn on the receiver while toggling the transmitter’s heading hold switch to access the configuration menu on the gyro. Follow the instructions that came with the gyro to select your direction and limits.

If you have the USB interface:

1. Plug both of your gyro leads to the receiver (don’t plug the servo at this time).

2. Bind your transmitter and receiver (2.4 GHz). If you are using Spektrum, make sure you hold left rudder while binding and that your collective/throttle stick is all the way down.

3. Download and install the following software:

- If you have the Spartan USB cable with the blue plug, download the drivers:

For XP: http://www.spartan-rc.com/products/f…20019v2021.zip
For Vista: http://www.spartan-rc.com/products/f…ista_v3200.zip

- If you have the Spartan USB cable with the black plug, your drivers are already built into Windows.

- Firmware loader: http://www.spartan-rc.com/products/d…are_loader.zip

- Configuration Editor R1: http://www.spartan-rc.com/products/ds760/ds760_configuration_editor_r1.zip

- Configuration Editor R2: http://www.spartan-rc.com/products/ds760/ds760_configuration_editor_r2.zip

R1 or R2 Editor:

If you have a gyro with firmware version 1.07 or later, you’ll need to use the R2 editor. If your gyro has an older firmware version, then download the R1 editor. If you plan on updating the firmware, then download the R2 editor. Please note that if you have an older firmware version and try to use the R2 editor, you’ll get an error and vice-versa; if you have the latest firmware version and try to use the R1 editor, you’ll also get an error.

4. Power on your receiver (no need to power on transmitter at this time). Plug your gyro to the computer and run the Firmware loader utility to upload the firmware. When done, unplug the gyro from your computer and turn off the receiver.

5. Repeat #3 above, but this time run the Configuration Editor. Make sure your gyro is being detected and click on “Load from file” (select the file that corresponds to your heli from the files below). Then click on “Store to Gyro”.

6. Power on transmitter and receiver and double check to make sure the gyro works correctly, including servo direction, limits, etc.

Configuration files:

IMPORTANT: Right click, then “save target as”. When you open this file with the configurator editor, you’ll need to select the type of servo you have. Everything else should be fine for your particular model.

T-Rex 450
T-Rex 500
T-Rex 600
T-Rex 700N New!
GAUI Hurricane 200 New!

Heli specific notes:

T-Rex 450:

If you use a DX-7 Transmitter and your gyro sensitivity is configured to use the gear channel via end points (ATV’s), you should set this value at 45; this is a good starting point. Also, your ATV for the rudder (pirouette speed) can be set at 110 to start. I have mine set at 130. I noticed a little bit of tail bounce during hard stops; I corrected this by reducing the stop gain to 80 from 100 (already configured in the 450 file above).

T-Rex 500:

If you use a DX-7 Transmitter and your gyro sensitivity is configured to use the gear channel via end points (ATV’s), you should set this value at 37; this is a good starting point. Also, your ATV for the rudder (pirouette speed) can be set at 110 to start. I have mine set at 130. This heli’s tail feels perfect with stock settings.

As far as gyro mounting is concerned, I recommend using the metal plate with this heli, especially if you are using a JR 3400G servo for the tail; otherwise you might have a little tail wag that’s impossible to eliminate with your settings; the plate takes care of this.

T-Rex 600:

If you use a DX-7 Transmitter and your gyro sensitivity is configured to use the gear channel via end points (ATV’s), you should set this value at 30; this is a good starting point. Also, your ATV for the rudder (pirouette speed) can be set at 120 to start. I have mine set at 140. This heli’s tail feels perfect with stock settings. However, if you do hard tail reversals you might want to adjust your acceleration/deceleration settings to avoid stripping tail gears. I have already configured this on the 600 file above, so if you use the configuration editor with the file provided above you should be good to go!

T-Rex 700N:

If you use a DX-7 Transmitter and your gyro sensitivity is configured to use the gear channel via end points (ATV’s), you should set this value at 37; this is a good starting point. Also, your ATV for the rudder (pirouette speed) can be set at 120 to start. I have mine set at 140. This heli’s tail feels perfect with stock settings. However, if you do hard tail reversals you might want to adjust your acceleration/deceleration settings to avoid stripping tail gears. I have already configured this on the 700 file above, so if you use the configuration editor with the file provided above you should be good to go!

GAUI Hurricane 200:

If you use a DX-7 Transmitter and your gyro sensitivity is configured to use the gear channel via end points (ATV’s), you should set this value at 28; this is a good starting point. Also, your ATV for the rudder (pirouette speed) can be set at 110 to start. I have mine set at 121. This little heli’s tail feels great with the Spartan, but you’ll notice a little stop bounce due to the power of the gyro combined with the little tail belt. I have corrected this in the EP200 file above by reducing the stop gain value.

Other notes:

These settings and configuration files work well for me. However, depending on your flying style you might need to play with deadband as well as other settings. This gyro is the most technologically advanced gyro I have ever flown; the possibilities for configuration are endless! Also, if you are using a transmitter other than DX-7, my gain settings and rudder ATV’s above might not be suitable. Always start with a middle number and adjust up and down accordingly. You want to have the most holding power without a tail wag, so you can always go up high with your gain and start dropping it a couple of points at a time until you get to the right number.