Novak GTB3/Vulcan Spec 17.5T Race Combo

Tower Stock# LXEEKV  •  Manufacturer Stock# 3127
Novak GTB3/Vulcan Spec 17.5T Race Combo (large view)
Notes from our tech department:
This is the Novak GTB 3 Spec Electronic Speed Control
and the 17.5 Turn Vulcan Spec Sensor Based Brushless Motor.


Compatible with 540 size 3.5 turn or higher, and 550 size 4.5 turn
or higher sensored motors
Designed specifically for all forms of 1/10 scale racing
Compatible with 1-2S LiPo/LiFe, or 4-6 cell NiMH batteries
Eleven adjustable parameters;
Drag Brake (10 settings) Minimum Brake (10 settings)
Brake Power (10 settings) Drive Frequency (10 settings)
Brake Frequency (10 settings) Dead Band (5 settings)
Minimum Drive (10 settings) Reverse Disable
Motor Rotation Voltage Cut-Off
Trans/Receiver Rate
Meets ROAR Sportsman Class Racing specifications (pending approval)
Nova X-Drive provides enhanced throttle response, ultra smooth power
delivery, higher top speeds, and cooler operating temperatures
NovaBrakes provides instant braking, with added Brake Power Level
adjustment (0-100%)
3-amp true-spec BEC for strong and fast steering response
Water-resistant case with protective silicone gasket seal
Power capacitor bank delivers power to the motor more effectively
M12 SSR Mode for the super high-speed frame rate of the Airtronics
M12 transmitter when used with an SSR receiver
Voltage cut-off circuitry prevents damage to LiPo/LiFe batteries
User-replaceable input and switch harnesses
Gold-plated direct-solder wiring tabs
Diagnostic temperature monitoring
Hall sensor test to verify that motor's sensors are working properly
One touch setup
Forward, brake and reverse operation
Cross-cut heat sink for reduced weight and efficient cooling
Recommended for 2WD Buggy, Truck, and Short Course Trucks, 4WD Buggy,
1/12 scale Pan Car, Formula 1, Dirt Oval, Road Oval, Spec Racing,
Touring Car, Drift Car, and Rock Crawling (with compatible ESC)
Designed for sanctioned spec-class racing
Uses the largest wire diameter permitted and is hand wound,
assembled and tested by Novak motor experts
High-RPM ultra low resistance stator, wound with Novak's American
Red Wire with maximum copper fill for fastest speeds
Stator made from highest quality steel
All-new, front endbell with larger vents, and a one-piece front can
to ensure maximum airflow and proper bearing alignment
100% rebuildable
Oversize front ball bearing
Nickel plated sintered neodymium rotor with a 0.125" (3.2mm) shaft
that accepts all pinion gears
Removable shielded sensor harness plugs into a silicone-sealed
gasket to keep dirt from damaging the sensor plug


Novak GTB 3 Spec ESC, pretinned Motor and Battery Wires, On/Off
Switch, two sections of Shrinkwrap, two Receiver Connectors,
Instructions, six Zip Ties, 17.5 Turn Vulcan Spec Brushless Motor
with Sensor Wire


ESC (NOVM1747);
Motor Type: Sensored brushless
Input Cells: 1*-2S LiPo/LiFe, 4-6 NiMH
Weight: 1.42oz (40.4g)
On-Resistance: 0.00040 ohms @ 25C trans. temp.
Motor Limit: 540 size 3.5 turn or higher sensored, 550 size 4.5 turn
Battery Eliminator Circuitry: 6.0 Volts DC/3.0 amps
Wire Size: 14G Super-Flex Copper Strand Silicone
Status LEDs: 5 multi-colored
* For 1S applications, a receiver battery pack or receiver booster
such as Novak's #5477 (NOVC5477) 1S Booster Module is
Motor (NOVC3647);
Motor Size: 540 size, 2.07 x 1.41 (52.6 x 35.8mm)
Weight: 6.1oz (173g)
Shaft Diameter: 0.125" (3.2mm)
Magnetic Material: High strength sintered Neodymium
Stator Insert Color: Yellow

jxs 03/31/14

See Tower Catalog page 131.
Parts Compatibility
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