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TRAXXAS
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13
THE TRAXXAS TQ RADIO SYSTEM
The following Traxxas High
Current Connector packages
are available from your
hobby dealer. When using
adapters, be careful not to
exceed the current rating of
the Molex connector.
For best off-road handling
with two battery packs,
consider installing stiffer
springs on your model.
Traxxas offers accessory
springs for this purpose; see
the parts list included with
your model for part numbers.
Part #3060
Single Male/Female
Part #3080
2-Pack Female
Part #3070
2-Pack Male
Part #3061
Male Charge Adapter
Part #3062
Female Charge Adapter
INSTALLING THE BATTERY PACK
Your model includes a 7.2-volt battery pack. To properly balance the
model, it should be installed in the battery compartment on the left side
of the model. Follow these steps to install the battery:
Battery Installation
1. Open the battery
compartment door by
pressing on the release tabs.
2. Install the battery pack with
the battery wires facing the
rear of the model.
3. Route the battery wire through
the slot near the vent.
4. Close the battery door,
making sure not to pinch the
battery wires. Be sure both
release tabs are fully engaged
with the door. Do not connect the battery pack to the ESC at this time.
Note: always unplug the battery and remove from the model after use.
Using LiPo Packs in Your Model
The VXL-3m is compatible with 2S and 3S LiPo packs, and is equipped
with Low Voltage detection circuitry to prevent over-discharging. Make
certain LiPo mode is selected (see page 17 for details) when using LiPo
packs in your model.
Using an Additional Battery for Increased Run Time
Traxxas 1/16 models only require one battery pack, but the chassis can
accept two batteries. Your model can be run with two battery packs to
extend run time. The batteries must be connected in parallel, which will
combine the capacity of the two batteries (for example, two 7.2-volt
1000mAh packs connected in parallel will deliver a total capacity of
2000mAh, but total voltage will remain 7.2 volts). This is easily done with
a parallel Y-harness (Part #3064, sold separately). Be sure to only use the
Y-harness with identical battery packs; do not mix batteries of different
chemistries or capacities.
Using an Additional Battery For Increased Speed
An additional battery may also be used to increase the top speed of
your model, by connecting the batteries in series using a Traxxas series
connector (Part #3063, sold separately). This also requires a gearing change
using the supplied, optional pinion gear as described on page 23.
THE TRAXXAS HIGH CURRENT CONNECTOR
Your model is equipped with the Traxxas High-
Current Connector. Standard connectors restrict
current ow and are not capable of delivering the
power needed to maximize the output of your model.
The Traxxas connector’s gold-plated terminals with a
large contact surfaces ensure positive current ow with the least amount of
resistance. Secure, long-lasting, and easy to grip, the Traxxas connector is
engineered to extract all the power your battery has to give.
To run this model, your batteries must be equipped with Traxxas High-
Current Connectors. Batteries can either be purchased new with Traxxas
connectors installed or Traxxas connectors can be purchased to install on
battery packs you already own. See sidebar for packages available from
your hobby dealer.
The typical Molex
®
style connector is inadequate for use in
your model. It creates resistance that becomes a bottleneck to
current ow. If your battery pack is equipped with a Molex
connector, it must be replaced with a Traxxas High-Current
Connector to mate with the electronic speed control.
Battery Wire Slot
Battery Orientation
Molex
connector
5
Precautions
• The High Speed dual-battery battery and gearing
conguration is for high-speed running on smooth
surfaces only. Avoid repetitive hard acceleration to prevent
overstressing the motor, speed control and batteries.
• Failure to install the appropriate gearing can cause failure
of the motor, speed control and batteries when running the
model on 12 NiMH cells. See the gearing chart on page 23 for
more information about properly gearing your model.
• Make certain both batteries are fully charged before
installing them in your model. Installing a fully charged pack
and a partially discharged pack may lead to overdischarging
and damage to the partially discharged battery.
• Do not mix batteries of different brands, chemistries or
capacities. Only genuine Traxxas batteries are approved for
dual-battery use in this model.
• Stop running your model and allow it to cool if the speed
control’s thermal overload protection activates or if the
motor temperature exceeds 200° F.
When operating your model with two batteries, be careful
to monitor the temperature of the speed control and motor
to prevent overheating. Stop running your model and allow
it to cool if the speed control’s thermal overload protection
activates or if the motor temperature exceeds 200° F.