RS4 SPORT 3
FEATURING THE ONE OF A KIND RTR-X!
World Champion Drifter Vaughn Gittin Jr. and the Need for Speed crew teamed up to build this one-of-a-kind, fully-functional Street, Track and Drift machine, and this is the official, authorized RC replica, only from HPI! Balancing 5.0 liters of tire-shredding American horsepower with vintage American, Japanese, European and Drift culture inspired design influences, Vaughn has incorporated state-of-the-art technology while retaining a nostalgic feel into his vision for the 1969 Ford Mustang's timeless body. The RTR-X was designed and built from the ground up to be driven hard; the RTR-X is NOT a trailer queen. While Vaughn will be the only one behind the wheel thrashing it, the entire world will be able to enjoy driving the HPI 1/10th scale RTR-X. The RS4 Sport 3 is a fun, easy to drive and simple to maintain street car, featuring a completely pre-assembled race car chassis for amazing fun and loads of action! We've packed in all the latest features like 2.4GHz control and complete waterproof protection! The chassis is factory assembled right out of the box, making the RS4 Sport 3 a quick and easy way to get straight into driving, racing and honing your skills! This is a complete racing machine that looks and drives just like the real thing!
OFFICIAL REPLICA OF THE AMAZING RTR-X
The RS4 Sport 3 features a pre-painted 1969 Ford Mustang RTR-X muscle car body with authentic detailing and decals. The body comes completely trimmed and mounted for the ultimate in ease, and a functional racing wing is fitted for supreme control at all speeds. You'll have concours quality appearance, and you can always customize your car with any of the clear or pre-painted polycarbonate body shells from the huge assortment of HPI bodies and other manufacturers as well! This kit is supplied with a set of awesome wheels fitted with HPI Spec-Grip tires, AND you get another complete set of wheels fitted with HPI drift tires, too! You can enjoy grip and drift driving with one kit!
EASY TO DRIVE WITH A REAL STEERING WHEEL CONTROLLER!
The HPI Racing RS4 Sport 3 is super-easy to drive and get familiar with – all you have to do is plug in the included battery and switch on the radio, then the car. It’s that easy! To drive the car, simply pick up the controller with your left hand, put your left index finger into the trigger area, and then put your right hand on the steering wheel – it’s as natural as driving a real car! Turn the wheel to go left and right, and gently pull on the trigger with your left index finger to go forwards. To stop the car, gently push away from you with your left index finger - hold it there to go into reverse. It takes seconds to get used to this easy operation, and pretty soon you'll be racing with your friends!
PRE-MOUNTED DRIFT AND GRIP TIRES INCLUDED!
The RS4 Sport 3 1969 Ford Mustang RTR-X is fitted with a set of HPI Spec-Grip treaded rubber tires for maximum grip on just about every paved surface. You'll get great acceleration, braking and cornering performance from these semi-slick, grippy rubber tires! The tires are molded in a durable, long-wearing rubber compound that will give you a long life for hours of fun and enjoyment. If going sideways is more your style, we also include a second set of wheels fitted with HPI T-Drift tires. These low-profile drift-specific tires are made for high-performance, realistic drift action at 1/10th scale! Just make a quick pit stop to change them over and you’ll be ready to show off your drift skills in no time.
Underneath the detailed replica body is the RS4 Sport 3 chassis, the latest scale touring car chassis from HPI Racing! The HPI RS4 Sport 3 chassis features full-time 4WD, a completely sealed and highly efficient shaft drivetrain, coil-over shock absorbers plus waterproof electronics. The fully contained drivetrain means there are no exposed gears, belts or drivetrain parts to get stuck with rocks or dirt. The car is completely assembled and fitted with the 1969 Ford Mustang RTR-X body and 5-spoke deep dish wheels right out of the box, so all you have to do is PLUG IN AND DRIVE!
ONE-PIECE MOLDED CHASSIS
The RS4 Sport 3 main chassis is formed from a single piece of reinforced plastic and features the drivetrain tunnel molded right down the middle, just like a real car. It's a step beyond any plastic tub chassis car available today.
LOW PROFILE LAYOUT DESIGN
One of the ways we gave the RS4 Sport 3 the best possible handling was to make sure all the components fit as low as possible in the chassis. This gives the car an amazingly low center of gravity for enhanced cornering capabilities.
2S LIPO CAPABLE
The RS4 Sport 3 features a versatile electronic speed controller that can be used with modern lithium-polymer (LiPo) or nickel-metal hydride (NiMH) batteries. Please note a LiPo adapter plug is not included, your model shop will be able to provide one.
FITS A WIDE VARIETY OF BATTERIES
The RS4 Sport 3 chassis can fit lithium-polymer and nickel-cadmium packs of various sizes, including the extra-long 7-cell Ni-MH packs. Whatever your power requirements, it can hold it all! A thick hook-and-loop strap holds the pack securely in place, and a simple battery block screws into place to allow you to adjust the weight distribution forward or backward for extra steering or acceleration.
FULL-TIME FOUR-WHEEL DRIVE
The RS4 Sport 3 features full-time four-wheel drive to give you the most control and precision on the road or track. All four wheels are driven by heavy duty gear differentials at the front and rear, just like a real car. The extra traction gives you increased acceleration and cornering control for maximum confidence and fun.
SEALED SHAFT DRIVETRAIN
The drivetrain of all the RS4 Sport 3 models features the motor mounted longitudinally in the molded chassis, next to the long driveshaft that goes down the center of the car. The entire drivetrain, including the central driveshaft and gear diffs, is completely sealed to prevent dirt, rocks and debris from damaging or binding the drivetrain. The driveshaft, diffs and axles spin on ball bearings to maximize drivetrain efficiency.
The central driveshaft that connects the front and rear differentials is easily accessed from underneath the chassis. This allows the drivetrain to be completely sealed to protect it from rocks and debris no matter where you may want to drive your car.
OPTION: CARBON FIBER DRIVESHAFT COVER
You can easily replace the stock driveshaft cover on the bottom of the chassis with a carbon fiber cover that provides extra stiffness and extra-cool looks.
EASY ACCESS DIFFERENTIALS
Getting to the differentials for quick adjustments is a matter of removing just 4 screws - this allows you to pop out the diff and change the grease, check the gears or just give it a general service.
4-GEAR METAL DIFFS
Bevel gear differentials at each end of the car transfer power from the driveshaft to the dogbones and axles that drive each wheel. The all-metal construction allows the drivetrain to withstand powerful brushless motors for easy upgrading in the future. Rubber-sealed ball bearings support the differentials and each diff can be tuned independently by changing the diff grease.
OPTION: DIFF SPOOL
The optional diff spool removes all diff action for direct traction and braking action from your trigger finger straight to the wheels.
DOUBLE-WISHBONE FULLY ADJUSTABLE SUSPENSION
The suspension of the RS4 Sport 3 uses the race-proven double-wishbone suspension design, similar to a full scale modern race car. You’ll be able to control the anti-squat and anti-dive of the front and rear arms using the standard pivot blocks, and the option parts allow you to adjust the sweep and toe angles. You'll also be able to easily change the roll center front and rear with the racing-style vertical ballstud mounting on both the inner and outer camber link mounts. Multiple shock mounting positions provide a full range of shock suspension angle adjustment to suit different road conditions.
MULTIPLE SHOCK POSITIONS
OPTION: CARBON FIBER SHOCK TOWERS
The option pair of carbon fiber shock towers not only look amazing, but also adds extra stiffness to the suspension for optimal performance. The carbon fiber material is extra-lightweight which lowers the center of gravity on the RS4 Sport 3 as well.
OIL-FILLED THREADED SHOCKS
The RS4 Sport 3 is fitted with a set composite coilover-style oil-filled shocks, just like what you'd see on a real race car. The fully adjustable shocks are fully tunable to provide the optimum chassis performance on a wide variety of road surfaces. The ride height is quickly adjustable by using the threaded shock collars. Further tuning adjustments are also possible by changing the springs and shock oil weight.
OPTION: ANODIZED ALUMINUM THREADED SHOCKS
For optimum performance, you'll want a set of anodized aluminum threaded shocks that are machined to perfection. The full anodized aluminum threaded shock body, aluminum shock collar, aluminum top and bottom caps will allow you to make the most precise tuning adjustments.
TOUGH FRONT END SUSPENSION
The RS4 Sport front end uses the strong C-hub style suspension seen on the latest RC touring cars, with a vertical ball stud camber mount that lets you change the front end roll center – which is a critical racing adjustment that allows the RS4 Sport 3 to be a step above other sport-level RC touring cars. The suspension arm also features multiple shock mounting holes for easy shock angle adjustment.
OPTION: PRECISION MACHINED ANODIZED ALUMINUM FRONT PIVOT BLOCK
The optional set of front precision machined anodized aluminum pivot blocks provide optimum rigidity and suspension performance. The extra rigidity and durability also provides for a more stable and consistent base setup for additional tuning options.
TUNABLE REAR SUSPENSION
The rear hub is fitted with a vertical ball stud style adjustment that allows easy adjustment of the rear roll center. Moving the ball stud up or down with the optional spacers changes the traction characteristics of the rear end as the car goes through the turns. The suspension arm also features 3 different shock mounting holes for easy shock angle adjustment.
OPTION: PRECISION MACHINED ANODIZED ALUMINUM REAR PIVOT BLOCK
The optional set of rear precision machined anodized aluminum pivot blocks provide optimum rear end suspension rigidity and performance. The extra rigidity and durability also provides for a more stable and consistent base setup for additional tuning options.
OPTION: CVD DRIVESHAFTS
The optional all in one CVD drive shafts greatly increases the precision and efficiency of the entire driveline and steering for maximum driving performance.
OPTION: ADJUSTABLE CAMBER LINK TURNBUCKLES
The option set of adjustable turnbuckles will allow you to quickly fine tune the camber setting of your RS4 Sport 3 for optimum performance.
DOUBLE BELLCRANK STEERING
The performance tested adjustable double bell crank system provides optimum steering precision at all speeds. A metal drag link plate connects the cranks for extra durability, the additional drag link mounting positions also allows for Ackermann angle adjustments.
OPTION: ANODIZED ALUMINUM BELLCRANK STEERING SET
For the ultimate steering performance, upgrade to the precision machined anodized aluminum bellcrank steering set. The included set of adjustable turnbuckles also allow you to change the front end toe angle to further fine tune your desired chassis steering performance.
RUGGED SPRING-LOADED SERVO SAVER
The RS4 Sport 3 includes an adjustable multipiece cam-style servo saver, which protects the servo from crash damage. In the event of a crash or collision, the front wheels usually take a big portion of the blow and transmits the impact directly to the steering servo. The strong spring-loaded cam action of the servo saver is designed to absorb this force and protect the servo gears from the impact!
ALUMINUM MOTOR MOUNT
The cast aluminum cam-style motor mount holds the motor in place for a secure pinion/spur connection. Two screws hold the cam firmly in position on the mount, and cooling fins on the lateral support aid heat dissipation to keep the motor running as efficiently as possible.
OPTION: MACHINED ANODIZED ALUMINUM MOTOR MOUNT
The optional billet precision machined anodized aluminum motor mount will provide the most secure mount for your high powered competition motor.
METAL-SHIELDED BALL BEARINGS
The RS4 Sport 3 is fully fitted with a set of metal-shielded ball bearings for maximum efficiency. The metal shields keep the dust away from the internals while the smooth precision bearings provides for optimum power delivery from the power source out into the driveline.
RUGGED FRONT BUMPER
To protect the front suspension, chassis and body from impacts big and small, an extra thick foam bumper is securely fastened to the front of the RS4 Sport 3.
CUSTOMIZE YOUR LOOK
A huge variety of option bodies, wheels and tires from HPI lets you fully customize the style of your RS4 Sport 3 to suit your style.
ADJUSTABLE HEIGHT BODY MOUNTS
The adjustable height body mounts let you fit any 1/10th scale touring car body from HPI Racing on to the RS4 Sport 3 chassis. All you need to do is adjust the front and rear body mounts to allow the wheels and chassis elements to fit properly underneath the body. Body pins hold the mounts in place, and the multiple mounting hole positions allow you to fine-tune the exact body fitment.
You can fit any 1/10th scale touring car body from HPI Racing onto the RS4 Sport 3, from hot hatches to supercars, pick-up trucks to supertouring racers. All you need to do is adjust the body mounts front and rear to allow the wheels to fit underneath the body properly. A simple system using body pins hold the mounts in place, and you can fine-tune the fit to get the exact ride height you want.
COMPREHENSIVE INSTRUCTION MANUAL
All HPI Racing kits include a detailed multi-language instruction manual. Exploded diagrams and extensive information about your RS4 Sport 3 ensures that you have the knowhow when it comes to maintaining and upgrading your kit. You can also download a digital version of the manual to your personal electronic device and keep it with you for easy reference on the go.
MYHPI: THE ULTIMATE RESOURCE
FOR YOUR RS4 SPORT 3
Once you've got your RS4 Sport 3, add it to your MYhpi garage to get direct information about what will make your car faster, more adjustable and easier to tune. Add your entire HPI collection to your MYhpi garage so you can directly access manuals, videos, tips and help for each of your HPI cars!
#120102 RS4 SPORT 3 1969 FORD MUSTANG RTR-X
Length: 431mm (17")
Height: 127mm (5")
Width: 200mm (7.9")
Wheelbase: 254mm (10")
4 AA batteries
7.2v 2000 mAh NiMH battery with standard plug
Wall battery charger
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