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TAZER 12T

Instruction Manual

Thank you for choosing the Dynamite

brand. We know that

you, the customer, are the reason that we are in business.

Your satisfaction is our number one priority. With this in

mind, we have produced this product to be of the highest

quality, performance and reliability, and at a "value-packed"

price. We hope it provides you with hours of enjoyment in

your next R/C project.

Features

• High power FET control with proportional forward

and reverse.

• High frequency design delivers smooth

speed transition.

• Thermal Overload Protection prevents damage due to

over-current conditions that automatically reset.

• Pre-wired with Tamiya battery plug, bullet-style motor

connectors, and universal receiver plug that fits JR

Futaba J and Hitec radios.

• Designed to operate with stock motors

(12 turns or higher).

• Push-button programming makes setup a breeze.

Specifications

Operation ....................................... Proportional forward,

proportional reverse with

braking delay

Input Voltage .................................. 4-cell (4.8 volts) to

6-cell (7.2 volts) DC

Peak Current .................................. 900 amperes

Continuous Current........................ 46 amperes

Full-On Resistance ......................... 0.0014 ohms

Frequency ...................................... 2 kHz

BEC output ..................................... 4.8 VDC, 1 amp max.

Overload Protection........................ Thermal

Dimensions .................................... 1.25" x 1.02" x .888"

(38.6mm x 26.2mm x

22.5mm)

Weight ............................................ 1.2 oz (34 g)

Mounting the Speed Control

Mount the Tazer

™

12T ESC in the location specified by your

vehicle's instruction manual. Use the double-sided foam tape

(included) to secure the speed control in position.

NOTE

: Be sure all wiring connections can be reached

prior to mounting.

Use double-sided foam tape to secure the side of the switch to a

convenient location on the chassis or shock tower.

Wiring Diagram

TAMIYA 7.2V CONNECTOR

POWER SWITCH

BATTERY

CONNECT ESC

TO CH.2

MOTOR

STEERING SERVO

Wiring the Receiver

NOTE

: The Tazer 12T uses the motor battery to supply

power to the receiver through the servo wires. There is

no need for a separate receiver battery.

• See your radio's instruction manual for proper

connection. Typically, channel 2 is used to control

the throttle.

• There are 3 wires involved in the universal receiver

connector. It is directly compatible with JR

, Hitec,

Airtronics Z, New KO and Futaba J systems.

• Older Airtronics or KO radio systems must use a

modified wiring order.

• The positive (red) and negative (brown) wires must

be reversed to operate with these radio systems. To

remove the wires from the plug, use a small jewelers

screwdriver to pry up the plastic tab associated

with each wire. Gently slide the brown wire out of the

plug. Repeat on the red wire and replace in the

opposite positions.

• Install the plug referencing the wire colors on the

steering servo for proper polarity.

Motor Capacitors

If the motor you are using (12 turns or more) does not have

3 capacitors already attached, you must install them. The

monolithic capacitors help prevent motor noise which

lessens radio glitches. Some motors have internal capacitors

that are not visible without removing the endbell. Check the

motor's instructions to confirm if capacitors are present in

your motor. If your motor does not have capacitors, they can

be purchased at your local hobby shop. Follow the directions

below for proper connection.

1. Using a small file, scuff up an area on the motor can between

the positive and negative tabs (see figure 2).

2. Take one of the capacitors and solder one

wire to the positive motor tab with the

other wire positioned over the scuffed

area on the motor housing (see figure 3).

3. Use another capacitor and solder one

wire to the negative motor tab with the

Figure 2

other wire positioned over the scuffed

area as well.

Figure 3

4. Solder both wires to the motor housing

(see figure 4). A high wattage soldering

iron may be necessary.

5. Solder the third capacitor from the

positive to the negative motor tabs

(see figure 5).

6. Use side cuts to remove excess

Figure 4

capacitor wires.

Some forward-only ESCs require a shotky

diode attached to the motor for noise

suppression. Be certain there IS NOT a

diode attached to the motor when using the

Tazer 12T or any other reversing electronic

speed control.

Figure 5

Connecting the Motor Wires

If your motor has pre-attached male bullet connectors, press

the orange motor wire into the plug that is wired to the positive

motor terminal. The black wire is

Orange (+)

connected in the same manner to the

negative motor tab (see figure 6).

If your motor does not have male

bullet connectors, you may purchase

them from your local hobby shop.

Black (–)

("Motor Connector Wire DLR1055").

Figure 6

Caution

: To detour glitches caused by RF (radio

frequency) noise, route all wires and the receiver

antenna away from motor leads. Secure with tie wraps

(not included).

Connecting the Battery

The Tazer 12T comes pre-wired with a Tamiya-style connector,

compatible with most battery packs. Use battery packs from

4-cell (4.8-volt) to 6-cell (7.2-volt) sub-C size battery pack.

1. Be sure the on/off switch is in the "off" position.

2. Connect a fully charged battery pack to the speed control's

battery connector.

Adjusting the Transmitter

NOTE

: Refer to the radio instructions for specific

information on transmitter setup.

1. Set the "throttle reversing" switch to the NORMAL position.

(This may need to be reversed on some brands of radios.)

2. Set the "throttle trim" to the CENTER position.

3. Set the "throttle exponential" to MINIMUM or ZERO.

4. Set the "ATV" to 100%.

5. If your transmitter has an adjustable trigger (or stick) position,

move it to the 70/30 position.

Speed Control Programming

NOTE

: While in the programming mode, no power is

applied to the motor.

1. Turn on the transmitter's power switch. (Be sure the transmitter

batteries are fully charged).

2. Turn the ESC switch on.

3. Press and release the setup button. The red and green LEDs

will light.

4. Move the throttle to the full throttle position and press the

programming button. The green LED will remain lit and the red

LED will go out. (If the ESC does not sense throttle movement

in 3 seconds by the transmitter, it will exit the programming

mode and you will have to begin again.)

5. Now move the throttle to full reverse and press the

programming button. The red LED will glow and the green

LED will go out.

6. Return the throttle stick to neutral and press the programming

button. The green LED will glow and the red LED will go out,

indicating programming is complete.

During normal operation, the green LED indicates neutral and the

red LED indicates full forward and full reverse.

Selecting Forward Only or

Forward/Reverse Mode

The Tazer 12T has 2 modes: Forward only mode and Foward

and Reverse mode. The Forward Only mode can be selected for

racing purposes. When the ESC is powered on, the LED will flash

for 2 seconds: the color of the LED indicates which mode the

ESC is operating in:

Forward and Reverse Mode–The Green LED will Flash

Forward Only Mode–The Red LED will flash.

To change modes, push the set button and turn on the ESC. The

LED will flash, indicating the new mode has been selected. Note

the color of the LED to determine the mode of your ESC.