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Home RC Cars and Trucks Team Xray T4 2015 Edition Touring Car
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Team Xray T4 2015 Edition Touring Car

Team Xray T4 2015 Edition Touring CarSince the release of their first touring car in 1999, Team Xray has been a driving force in the 1/10 electric RC touring car racing scene. Continuous development and evolution of the Xray product line has led to ever-increasing performance. Today Team Xray is excited to announce the new T4 2015 Edition Touring Car!

The Team Xray T4 is the world’s most popular electric touring car thanks to ongoing development of the platform; year after year we bring you the best handling & performing touring car. The T4 is designed by racers for racers. No matter if you race in Modified or Stock classes at local, regional, national or even World Championship level the T4 takes you to the winners circle.

T4 platform development is quite unique, as there is a wide range of skilled team drivers from all around the world having a direct influence on the development of the platform. All ideas collected from the team are analyzed, then are tested in prototype stage by the team under all track & racing conditions around the world to ensure that in the end only the best improvements are integrated into the new 2015 version of the car.

ARS System
The T4 2015 kit includes both standard and new Active Rear Suspension rear suspension. The all-new ARS offers great adjustment possibilities and driving characteristics. ARS suspension consists of: new arms, graphite 0° C-hubs for optimal flex characteristics, hard steering blocks, ARS post (mounted to the chassis) and ARS linkage which connects the post with the steering block. The angle of ARS linkage – which is set by adding/removing shims on the steering block and ARS post mount – changes the toe-in characteristics of the rear tires under rolling effect; when the car is pressed the toe-in can either increase or decrease.

Chassis
The Team Xray T4 2015 features an all-new narrower chassis design for different track conditions. The chassis is 86mm wide (3mm narrower compared to the T4’14) for improved traction and steering characteristics. The all-new chassis was designed to accommodate the new motor mount as well as new ARS system – one of the most significant improvements features of the T4 2015. The chassis also accommodates a new, more resistant servo holder. The 2.2mm thick chassis is CNC-machined from premium-grade graphite material. The chassis features pre-drilled holes for optional parts such as chassis weights, graphite motor guard, graphite adjustable battery holder, and battery strap. Weight distribution and balance characteristics have been optimized. Due to the increase in LiPo capacity resulting in additional weight and heavier electronics to handle the increased power of modern brushless systems, the chassis was designed to allow the weight to be moved as close as possible to the chassis centerline in order to maintain proper balance.

Motor Mount
The T4 2015 Edition’s all-new motor mount is a part of the left layshaft bulkhead to eliminate unwanted tweak. The motor mount is connected to the chassis by 2 screws under the layshaft, and the new feature is the mounting system in front of the motor. The motor mount system consists of a new plate which is connected with the motor mount by a button-head screw which is more tweak-free compared to a countersunk screw. The motor mount plate is connected to the chassis via M3 nut and an extra countersunk screw can be placed in front of the nut if more reinforcement is needed. The layshaft part of the motor mount bulkhead allows the removal of front or rear (or both) screws which connect the top deck, as the bearing is fixed to the layshaft bulkhead and does not move. This improves the flex adjustability of the car to better suit different track conditions. The motor mount is CNC-machined from premium Swiss 7075 T6 aluminum and is color-coated for a distinctive look.

Aluminum Bulkheads
To accommodate the all-new anti-roll bar mounting system, the T4 2015 bulkheads were redesigned and now feature a special anti-roll bar mounting area where the anti-roll bar mounting collars are installed. The T4 platform – with centralized weight placement – features the smallest and lightest bulkheads ever, which are positioned more towards the chassis center line to provide maximum traction, steering, and balance. All bulkhead parts are CNC machined from premium Swiss 7075 T6 aluminum and have been designed to provide the lightest and strongest possible support framework for the car.The bulkheads are anodized in a distinctive orange color. XRAY’s legendary attention to detail is noticeable in all the precisely chamfered edges.

Central Servo Mount
All-new central servo mount is mounted to chassis by 3 screws (instead of 2) for better durability and to help eliminate the possibility of the servo moving with the servo mount in hard crashes.
The Swiss 7075 T6 main aluminum stand is positioned along the chassis center line for perfectly balanced flex characteristics, and it holds the high-grade graphite servo plate suspended above the chassis. The servo mount includes an extra hole where the battery backstop screw can be mounted, also allowing adjustment for battery width. XRAY’s self-developed central servo mount is now standard in the T4. This new-style mount allows the servo to be mounted to the chassis without the servo coming into contact with the chassis plate. This design has been engineered to eliminate tweak and increase overall traction.

Upper Clamps
To complement the super-narrow bulkheads, the upper bulkhead clamps were also redesigned and a new, optimized roll center position was added. And extra-short position was added to improve steering in the front and traction in the rear.
With 4 different roll center mounting positions, adjusting the roll center of the chassis is quick and easy.

Anti-roll Bar System
All-new anti-roll bar system is mounted to the front and rear bulkheads via bearings from outside for extra-smooth movement and for quick & easy changes and adjustment. The roll bar turns in ball-bearings for maximum precision and free movement. Anti-roll bar height is adjustable via a screw… quick and easy.

Anti-Roll Bars
The anti-roll bars were redesigned to work with the new bulkheads and ball-bearing roll bar mounting system. A different thickness of anti-roll bars was included in the kit to better accommodate various track types & traction conditions. Front 1.4mm and rear 1.3mm anti-roll bars are included in the kit, and a full line of optional anti-roll bars for super-fine tuning is available. Anti-roll bars have laser-engraved stripes (corresponding to bar thickness) for easy identification.

Bumper Upper Holder
New composite bumper upper holder brace helps to reduce chassis breakage in serious crashes. The composite bumper upper holder brace is mounted on the top composite upper holder for the bumper. The brace copies the shape of the layshaft bulkhead so if a crash occurs, the brace touches the bulkhead and protects the front of the chassis from breakage.

Adjustable Steering
Smart chassis flex adjustment via optional graphite steering plate which can be mounted with an additional aluminum stand. Using only the graphite steering plate, chassis flex is medium; using the aluminum stand for reinforcement, the flex becomes stiffer. Stiffer flex results in more aggressive handling and increased steering.

XRAY Solid Axle
The T4 2015 features a unique lightweight composite XRAY Front Solid Axle. The Front Solid Axle has a very stiff and ultra-light weight structure that was achieved by molding the entire solid axle from XRAY’s own self-formulated composite material. Outdrives are fully exchangeable which allows quick & easy servicing, while the unique drive shaft connection — eliminating the former drive shaft blades — enables direct power transfer to the axle and eliminates play between the drive shaft and outdrives, improving steering precision and increasing overall steering. Rotating mass is one of the most significant influences on the performance of an RC race car. Proven Suspension Geometry. From the narrow arms, through the tiny front and rear suspension blocks, to the small and robust steering blocks, every suspension part has been specially designed to provide responsive racing characteristics in all racing conditions. Over the years XRAY has successfully gained and utilized extensive suspension geometry knowledge and self-developed suspension stiffness technology, which have been utilized when designing suspension parts. The ultra-lightweight suspension parts are molded from a special composite material that makes the parts very light yet very durable to withstand the rigors of high-performance racing. The T4 2015 platform features optimized suspension parts carried over from the T3 platform. The arms feature a single optimized shock mounting position and integrated anti-roll bar mounts. The rear arms feature three anti-roll bar mounts for super-fine adjustment of the anti-roll bar.

Suspension Holders
Aluminum suspension holders feature Integrated Suspension Settings (ISS) which allow super-fast & easy suspension geometry setting. This XRAY concept was first introduced in the very first XB8 and now has been carried over to 1/10 scale on road. Suspension holders allow more durable mounting of the suspension arms. With the suspension holders, the geometry of the car does not change even under hard crashes. Thanks to the mounting system, arms move very freely which gives higher traction and the car feels smoother in corners which also positively influences steering characteristics. Suspension holders are CNC-machined from premium Swiss 7075 T6 aluminum and have been designed to provide the lightest and strongest possible support framework for the car.

I.S.S. Suspension Bushings
Using eccentric suspension bushings inserted into aluminum suspension blocks, as well as additional use of suspension shims and suspension parts, the T4 suspension geometry is completely adjustable including a complete set of various eccentric bushings is included for complete suspension geometry adjustment.

Suspension Arms
Suspension arms feature the innovative SFA (Suspension Flex Adjustment). Whether you are racing in low or high-traction track conditions, you can easily adjust the flex of the arms as appropriate by quickly adding optional graphite stiffeners which will change the stiffness of the suspension. The arms include 4 holes where the graphite stiffeners are mounted and the areas around the holes are strengthened for maximum durability.

Graphite Stiffeners
Innovative and unique SFA graphite stiffeners allow for super-quick suspension flex adjustment to easily adjust the traction of the car in various track conditions. Whether you drive in low- or high-traction conditions, with the smart graphite stiffeners you can very quickly adjust your car to suit it to current conditions. At the beginning of a race event when traction is low, the arms are used without the SFA graphite stiffeners. When the traction increases, the suspension can easily be made stiffer by mounting the SFA graphite stiffeners for more stability and easier driving characteristics. The graphite stiffeners give the car maximum stability in chicanes and allow for easier and smoother steering. Made from 1.6mm thick high-quality CNC machined graphite material, the stiffeners can be easily mounted or removed by only a few screws whenever needed.
The stiffeners are available only as an optional part.

C-hubs
The C-hubs in the T4 are also carried over from the T3 platform and feature large openings for quicker & easier assembly/disassembly of the CVDs. The entire CVD assembly can be easily inserted/removed through the C-hub without the need for disassembly. The large openings prevent collision of CVD with C-hub in serious crashes and are optimized for use with optional ECS drive shafts. The C-hubs are available in all standard caster angles (2°, 4°, 6°) and are also available in 3 different hardnesses that are optimized for particular racing conditions.

Steering Blocks
The Team Xray T4 2015 Edition’s small and tough steering blocks each feature two Ackermann positions. The front steering blocks also feature small but robust 5x10x4mm ball-bearings to minimize unsprung weight. The steering blocks are available in two different hardnesses, which are optimized for particular racing conditions.

Rear Uprights
Hard “H” rear uprights are included to improve the stability of the car and to increase cornering speed of the T4. The rear uprights feature 0° toe to ensure stability and prevent suspension geometry changes in hard crashes. There are two different roll center positions on the rear uprights, and roll center positions can be easily adjusted by adding shims between the upright and the turnbuckle ball joint. The rear uprights feature small but robust 5x10x4mm ball-bearings to minimize unsprung weight. The rear uprights are available in two different material formulations that were specifically blended for particular racing conditions. A medium “M” hardness rear upright is available as an option. 1-hole uprights were developed as an optional fine-tuning part to compliment the standard 2-hole uprights for high-traction tracks where more roll of the car is desired. These 1-hole uprights provide an additional option versus the standard 2-hole upright when the outer hole does not allow enough roll, and the inner hole creates too much roll.

Dual-arm Steering System
The Team Xray T4 2015 Edition’s dual-arm steering system is supported by 6 ball-bearings and runs on aluminum stands. Ackermann is easily adjusted by inserting shims between the steering plate and steering rods. The new steering system features a lower mounting position for the steering linkage, which makes the car handle easier going into corners. Handling is easily adjusted for more aggression by inserting a shim between the steering block and steering rods.

Steering Plate
The steering plate provides increased steering into the corner and makes the car more stable and easier to drive in chicanes. To achieve the improved steering characteristics, the distance to the steering linkage mounting was changed to 8.5mm. Machined from premium Swiss 7075 T6 aluminum material, and orange anodized.

Servo Saver
The hugely-popular XRAY servo saver was improved and updated for the T4. Additional positions on the servo saver were added to make steering linkage adjustment easier. The servo saver consists of 4 springs which makes the servo saver strong enough to provide the precise steering racers demand, while still being flexible enough to prevent servo damage in hard crashes. The servo saver has interchangeable bushings to fit most popular servos.

Top Deck
The new top deck design allows installation of an optional aluminum stand which changes the car’s flex characteristics. By adding the reinforcement stand, the rear layshaft bulkhead screws are removed which generates more traction and makes the car easier to drive but results in more on-power push. Recommended for low- or high-traction conditions. For low- and medium-traction conditions, it is recommended to use the top deck without the aluminum stand. The new top deck design also allows installation of an optional steering plate set. Smart chassis flex adjustment is done via graphite steering plate which can be mounted with an additional aluminum stand. Using only the graphite steering plate, chassis flex is medium; using the aluminum stand for reinforcement, the flex becomes stiffer. Stiffer flex results in more aggressive handling and increased steering. The new top deck has been redesigned for the new narrower bulkheads. The shape of the rear portion of the top deck has been specifically designed to achieve maximum traction and in-corner steering. The top deck is machined from premium-grade 2.0mm graphite. An optional belt tensioner can also be mounted to the top deck.

Drivetrain
The Xray T4 2015 Edition’s ultra-efficient and well-proven drivetrain has been carried over from the T3 platform. The drive ratio is suitable for current high-performance brushless motors (stock or modified) and LiPo batteries. Both the front solid axle and the rear gear diff feature 38T pulleys and the central layshaft features 20T pulleys for an efficient internal ratio of 1.9.

HUDY Spring Steel CVDs
T4 constant velocity drives (CVDs) are exclusively manufactured from special world-renowned, top-secret, self-developed HUDY Spring Steel. The drive shafts are the world‘s tiniest yet most durable drive shafts used in electric touring cars. The drive shafts are strategically lightened – see the hollow end of the dog bone – to guarantee the lowest possible weight without compromising strength or durability. These specially-lightened drive shafts can only be manufactured from special HUDY Spring Steel which was developed for extreme racing conditions. The drive shafts have been additionally hand-ground for maximum precision and to provide true rotation and unbinding drivetrain operation.

50mm Rear Drive Shafts
The Xray T4 features 50mm long lightweight aluminum drive shafts machined from premium Swiss 7075 T6, hard-anodized and black coated for stylish looks. The aluminum drive shafts are designed for use in the rear.

Aluminum Hex Hubs
Ultra-lightweight wheel hex drive hubs are CNC-machined from 7075 T6 black-coated aluminum. These ultra-true hex hubs are specially machined to reduce rotating weight while guaranteeing wobble-free wheel mounting. Optional offsets are available (-0.75, +0.75, +1.5mm).

XRAY Gear Differential
The T4 gear diff increases on-power steering which is needed on nearly all types of tracks, and is ideal for both carpet and asphalt tracks. The gear diff includes a composite case and cover with pulley. Differential gears are made from tough composite material, precision-molded composite gears combined with light aluminum drive shafts, which create a lighter and super-smooth gear differential. Another key advantage of the gear diff is that it is maintenance-free. When the diff is correctly built, there is no need for maintenance for a very long time… no need for frequent oil changes, and no leakage due to the superior sealing system.

Super-lightweight Drive Axles
To reduce rotating weight, the T4 features super-lightweight wheel axles which have the outer diameter specially ground to remove the material while keeping the same strength thanks to the use of HUDY Spring Steel material. The lightweight drive axles reduce rotating mass up to 35% compared to regular drive axles.

Centrally-positioned Layshaft
The spur and pinion gears have been aligned along the absolute centerline of the chassis to optimize the placement of the polar moment and ensure ideal balance of the drivetrain components.

Aluminum Middle Layshaft
The aluminum layshaft is strategically CNC machined to minimize rotating weight without compromising strength or integrity. The hollow layshaft is perfectly round with zero run out, eliminating drivetrain vibration and producing a positive balance. Composite pulleys key solidly to the layshaft.

Layshaft Bulkhead
The layshaft bulkhead allows the removal of front or rear (or both) screws which connect the top deck, as the bearing is fixed to the layshaft bulkhead and does not move. This improves the flex adjustability of the car to better suit it to different track conditions and surfaces. Made from premium Swiss 7075 T6 aluminum material, and orange anodized.

Kevlar Drive Belts
The 2-belt 4WD drivetrain concept provides maximum efficiency and highest performance using Kevlar®-reinforced drive belts for ultra-high durability. Narrow (3mm) front and rear drive belts have been specially ground for minimal thickness and flexibility.

Super Low Profile (SLP) Shocks
T4 platform shock absorbers were completely re-designed and re-engineered. Everything is new and the Team Xray T4 2015 Edition’s shocks are aluminum. SLP shocks were developed to lower the CG of the car to the absolute maximum in order to improve stability. With the new SLP shocks the T4 stays flatter, making it easier to drive in chicanes and more resistant to traction roll, letting you carry more speed through high traction sweepers. The shock bodies are CNC-machined from premium Swiss 7075 T6 aluminum and hardened to ensure maximum life. The shocks consist of a shortened shock body but with a larger diameter to retain the same volume of oil as the previous, longer T3 shocks.
Pistons were designed and produced to accommodate the Super Low Profile (SLP) shock absorbers. The piston set includes 3- and 4-hole pistons with 1.0, 1.1, and 1.2mm diameter holes. The pistons are molded using special methods and composites to ensure extreme roundness, while maintaining maximum stiffness and durability. SLP shocks were developed to lower the CG of the car to improve stability. With the new SLP shocks the T4 stays flatter, making it easier to drive in chicanes and more resistant to traction roll, letting you carry more speed through high-traction sweepers.

SLP shocks are nearly 8mm shorter than T3 shocks
Both front are rear shock absorbers have front and lower ball joints purposefully larger to provide a little more play of the shocks once mounted to generate more traction.

Shock Springs
To make the car more stable and easier to drive under various track conditions, the 2.5C linear springs were chosen as the basic setting on both front and rear shocks. The 2.5C linear springs provide the best balance between steering, traction, stability, and response. The 4S springs – like all other XRAY springs – are manually measured, selected, and matched into pairs to guarantee precisely equal length and damping characteristics.

Shock Towers
To maximize the effect of the new SLP shocks, both front and rear shock towers were completely redesigned and lowered by 15mm to help move the CG as low as possible. Machined from premium-grade 3.0mm graphite, the shock towers are smaller, lighter, more compact and, after vigorous testing, have been race-tuned to increase on-power steering.

Bearing Holders
The adjustable bearing eccentric holders were also updated to mate with the new, narrower bulkheads. As with previous XRAY designs, both front and rear bulkheads feature integrated belt-tension adjustment through the use of adjustable bearing eccentric holders, eliminating the need for a separate belt tensioner while reducing friction and improving drivetrain efficiency.

Integrated Belt Tension Adjustment
As with previous XRAY cars, both front and rear bulkheads of the Xray T4 2015 feature integrated belt-tension adjustment through the use of adjustable bearing eccentric holders, eliminating the need for a separate belt tensioner. These eccentric holders were modified to fit the new super narrow position of the bulkheads, while allowing you to still use your existing differentials and spools. All ball-bearings turn in composite hubs to reduce friction and improve drivetrain efficiency.

Diff Height Adjustment
Both front and rear bulkheads feature independent diff height adjustment. By rotating the diff eccentric holders, the height of the diff can be adjusted by 1mm. Optional eccentric holders with 2mm offset are available which allows diff height adjustment of 2mm.

Premium Ball-Bearings
A full set of 24 high-speed, blue-sealed and steel ball-bearings are used throughout the drivetrain, steering and anti-roll bars to ensure maximum efficiency. All of the bearings are degreased and oiled with Aero Shell® Fluid 12 for maximum smoothness and long life. The bearings used in steering blocks and uprights have been specially selected to reduce unsprung weight and maximize drivetrain efficiency.

Aluminum Turnbuckles
Aluminum adjustable turnbuckles used in the T4 are CNC machined from 7075 T6 material with a stylish black coating. These turnbuckles are used for front and rear upright linkages as well as for the servo saver and ARS system. The aluminum turnbuckles are lighter than steel to help decrease the overall weight of the car.

Bumper
To improve body fit as well as lower CG, an all-new front from bumper was designed which is 1/3 lower and lighter, and is manufactured from high-resilience lightweight foam. The lower composite bumper mount and upper bumper holder are molded from rigid composite material to withstand heavy impacts.

New Features

  • All-new chassis design
  • All-new ARS system
  • All-new motor mount
  • All-new motor mount flex system
  • All-new upper clamps
  • All-new aluminum servo mount
  • All-new graphite servo holder
  • All-new front/rear lower bulkheads
  • All-new anti-roll bar mounting system
  • All-new anti-roll bar wires
  • Optimized anti-roll bar wire thicknesses
  • Choice of rear suspension
  • All-new composite bumper upper holder brace
  • Improved traction
  • Improved steering characteristics

Specs

  • Width: 189 mm
  • Length: 372 mm
  • Wheelbase: 256-260 mm
  • Weight: 481 g
  • Ready-to-run Weight: 1377 g

Pictures

 
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