background image

18 • 1/16 SUMMIT VXL

DRIVING YOUR MODEL

Now it’s time to have some fun! This section contains instructions on 
driving and making adjustments to your model. Before you go on, here 
are some important precautions to keep in mind. 

•  Allow the model to cool for a few minutes between runs. This is 

particularly important when using high-capacity battery packs that 
allow extended periods of running. Monitoring temperatures will 
extend the lives of the battery and motor.

•  Do not continue to operate the model with low batteries or you 

could lose control of it. Indications of low battery power include 
slow operation and sluggish servos (slow to return to center). Stop 
immediately at the first sign of weak batteries. When the batteries in 
the transmitter become weak, the red power light will begin to flash. 
Stop immediately and install new batteries.

•  Do not drive the model at night, on public streets, or in large crowds of people.
•  If the model becomes stuck against an object, do not continue to run 

the motor. Remove the obstruction before continuing. Do not push or 
pull objects with the model.

•  Because the model is controlled by radio, it is subject to radio 

interference from many sources beyond your control. Since radio 
interference can cause momentary losses of control, allow a safety 
margin of space in all directions around the model in order to  
prevent collisions.

•  Use good, common sense whenever you are driving your model. 

Intentionally driving in an abusive and rough manner will only result 
in poor performance and broken parts. Take care of your model so 
that you can enjoy it for a long time to come.

•  High performance vehicles produce small vibrations which may 

loosen hardware over time.  Frequently check wheel nuts and other 
screws on your vehicle to ensure that all hardware remains properly 
tightened.  

About Run Time

A large factor affecting run time is the type and condition of your 
batteries. The milliamp hour (mAh) rating of the batteries determines 
how large their “fuel tank” is. A 2000 mAh battery pack will theoretically 
run twice as long as a 1000 mAh pack. Because of the wide variation in 
the types of batteries that are available and the methods with which they 
can be charged, it’s impossible to give exact run times for the model.

Another major factor that affects run time is how the model is driven. 
Run times may decrease when the model is driven repetitively from a 
stop to top-speed and with repetitive hard acceleration.

Tips for Increasing Run Time

•  Use batteries with the highest mAh rating you can purchase.
•  Use the included charger or a high-quality peak-detecting charger. 
•  Read and follow all maintenance and care instructions provided by 

the manufacturer of your batteries and charger.

•  Keep the ESC cool. Get plenty of airflow across the ESC heat sinks. 
•  Lower your gear ratio. Installing smaller pinion gears will lower your 

gear ratio and cause less power draw from the motor and batteries, 
and reduce overall operating temperatures. 

•  Maintain your model. Do not allow dirt or damaged parts to cause 

binding in the drivetrain. Keep the motor clean.

mAh Ratings and Power Output

The mAh rating of the battery can affect your top speed performance. 
The higher capacity battery packs experience less voltage drop under 
heavy load than low mAh rated packs. The higher voltage potential allows 
increased speed until the battery begins to become discharged.

RUNNING IN WET CONDITIONS

Your model is designed with water-resistant features to protect the 
electronics in the model (receiver, servos, electronic speed control). This 
gives you the freedom to have fun driving your model through puddles, 
wet grass, snow, and other wet conditions. Though highly water 
resistant, the model should not be treated as though it is submersible or 
totally, 100% waterproof. Water resistance applies only to the installed 
electronic components. Running in wet conditions requires additional 
care and maintenance for the mechanical and electrical components to 
prevent corrosion of metal parts and maintain their proper function.

Precautions

• 

Without proper care, some parts of your model can be seriously 
damaged due to contact with water. Know that additional 
maintenance procedures will be required after running in wet 
conditions in order to maintain the performance of your model. Do 
not run your model in wet conditions if you are not willing to accept 
the additional care and maintenance responsibilities.

10

Summary of Contents for 1/16 Summit VXL 72074

Page 1: ...owner s manual MODEL 72074...

Page 2: ...f the way Refer to the next page to find out how to contact us and what your support options are Quick Start This manual is designed with a Quick Start path that outlines the necessary procedures to g...

Page 3: ...r question at support Traxxas com Join thousands of registered members in our online community at Traxxas com Traxxas offers a full service on site repair facility to handle any of your Traxxas servic...

Page 4: ...t is being stored or transported Allow the battery pack to cool off between runs before charging Do not use battery packs that have been damaged in any way Do not use battery packs that have damaged w...

Page 5: ...G THE DECALS The main decals for your model have been applied at the factory Additional decals are printed on self adhesive clear mylar and are die cut for easy removal Use a hobby knife to lift the c...

Page 6: ...Shock Traxxas High Current Connector Chassis Front Body Mount Rear Body Mount Push Rod Hex Hub Pivot Ball Axle Carrier Rocker Front Bumper Transmission Spring Pre load Adjuster Slipper Clutch LED Ligh...

Page 7: ...11 11 Maintaining your model See page 25 The transmitter requires 4 AA alkaline or rechargeable batteries Follow these critical steps to maintain the performance of your model and keep it in excellent...

Page 8: ...ated with brushless motors Typically it is a slight stutter noticed when accelerating from a stop It happens for a very short period as the signals from the electronic speed control and the motor sync...

Page 9: ...face of the transmitter Thermal Shutdown Protection Temperature sensing electronics used in the electronic speed control detect overloading and overheating of the transistor circuitry If excessive tem...

Page 10: ...3m ELECTRONIC SPEED CONTROL Your model is equipped with the Traxxas TQ 2 4GHz transmitter The transmitter has two channels Channel one operates the steering and channel two operates the throttle The r...

Page 11: ...ed while charging INSTALLING THE RECEIVER ANTENNA The receiver antenna and antenna tube must be properly installed before operating your model Follow these steps to install the antenna and antenna tub...

Page 12: ...batteries into the Y harness sold separately The harness connects the two packs in series The two 7 2 volt 6 cell battery packs will operate as one 14 4 volt 12 cell battery pack 4 Plug the Y harness...

Page 13: ...u accidentally reset the direction of a channel Do not reverse the steering or throttle channels unless necessary Steering reversing procedure 1 Press and hold the SET button on the transmitter for tw...

Page 14: ...uld be pointing straight ahead If the wheels are turned slightly to the left or right slowly adjust the steering trim control on the transmitter until they are pointing straight ahead 7 Gently operate...

Page 15: ...oth the transmitter and the receiver turn solid green the system is bound and ready for use Confirm that the steering and throttle operate properly before driving your model TRAXXAS TQ 2 4GHz RADIO VE...

Page 16: ...eutral The LED will shine RED 5 Move the throttle trigger forward again to engage reverse Profile 1 The LED will turn off Once full reverse power is reached the LED will shine RED 6 To stop return the...

Page 17: ...he speed control will slowly blink red indicating a low voltage shutdown The VXL 3m will stay in this mode until a fully charged battery is connected The electronic speed control is factory set with L...

Page 18: ...es of batteries that are available and the methods with which they can be charged it s impossible to give exact run times for the model Another major factor that affects run time is how the model is d...

Page 19: ...ot submerge the motor under water Do not gear the motor by temperature when running in wet conditions The motor will be cooled by water contact and will not give an accurate indication of appropriate...

Page 20: ...iver and remove the receiver Receiver Installation 1 Route the antenna wire out of the receiver box cover A Place the cover on the chassis 2 Route the servo and speed control leads into the receiver b...

Page 21: ...ension damping effect Changing the oil to a higher viscosity oil will increase damping Lowering the viscosity of the oil will cause the suspension damping to be reduced Damping should be increased wit...

Page 22: ...ission gears It may also be used to regulate the amount of power sent to the rear wheels to prevent tire spin When it slips the slipper clutch makes a high pitch whining noise To adjust the slipper cl...

Page 23: ...model which will reduce performance and may overheat the motor and speed control Use the following formula to calculate the overall ratio for combinations not listed on the gear chart Motor Installati...

Page 24: ...eometry of the model The offsets and dimensions designed into the model s wheels are intentional therefore Traxxas cannot recommend the use of other non Traxxas wheels with different specifications Ex...

Page 25: ...ocks full Use only 100 pure silicone shock oil to prolong the life of the seals If you are experiencing leakage around the top of the shock inspect the bladder in the top cap for signs of damage or di...

Page 26: ...1100 Klein Road Plano Texas 75074 1 888 TRAXXAS 101108 72074OM N EN R00 owner s manual MODEL 72074...

Reviews: