The GTXE is typical XRAY – premium, professional, high-competition RC car for the most demanding racers, developed with attention to detail and backed by premium service & support…a luxury masterpiece.
The all-new high-volume differentials were developed to improve vehicle control and consistency over long runs and enhance reliability. The differentials feature larger capacity cases, and larger internal gears with more teeth for improved differential moment. The larger oil volume and the shape of the gear teeth reduce overheating. The diff pins have a new, stronger design to improve reliability.
All-new front lower and upper arms are moulded using a harder material to improve response and to maintain bind-free suspension movement in dusty or hot conditions.
The longer rear arms help create more forward traction and allow quicker acceleration out of the corners. The rear arms are also moulded from an extra hard material for consistent and responsive performance.
The updated front upper arm geometry allows for less caster to improve the steering characteristics, increase the overall steering and help reduce tire wear.
All-new front upper arms with less caster improve the steering characteristics, increase the overall steering and reduce the tire wear.
The rear uprights feature new larger outer 8x16x5mm ball-bearings for increased reliability and life-span. To expand the set-up alternatives, an additional lower roll-center adjustment position was added.
The smart design allows the same upright to be used on both left & right sides. The wheelbase position is adjustable using 2 shims along the lower suspension pin.
The rear uprights feature integrated geometry adjustments including: camber, upper and lower roll center and wheelbase.
The longer camber link accommodates the revised roll center positions on the new uprights.
The narrow rear suspension holders work together with the new longer rear arms to improve overall grip, forward traction and allow earlier acceleration at corner exit.
The GT shocks were redesigned with new shock caps and cell shock membranes. The all-new shock caps feature 4 bleeding holes for more equal oil bleeding and a more precise shock rebound setting.
The cell shock membranes have less air gap that helps to generate more grip. The redesigned shape of the composite bushings result in free operation even in dusty conditions.
Oversized big-bore shocks featuring 16.2mm I.D. shock bodies are externally threaded with an adjustable collar for quick & easy spring preload adjustment. The shock bodies are hardcoated in a titanium color and feature a 1-piece alu shock cap.
The larger front and rear anti-roll bars help control chassis roll, increase corner speed and improve the stability of the car.
The front & rear roll bars are easily mounted to the bulkheads and can be adjusted using the connected linkages.
Manufactured from spring steel material, anti-roll bars of different thickness are optionally available for fine-tuning.
The chassis is CNC-machined from 3mm high-quality Swiss 7075 T6 aluminum, strategically machined in low-stress areas, and then anodized to make it as light as possible without affecting strength or rigidity.
The chassis is specially designed for the electric version to allow for the best chassis flex, weight balance, and clean chassis design.
Front and rear chassis braces have significant influence on chassis stiffness and flex, and as such have a great impact on handling under different grip conditions.
The longer rear brace is moulded from a medium-stiff composite mixture for proper flex & rigidity, and allows the mounting of optional graphite inserts to reinforce the brace to make it even stiffer (suitable for high-traction conditions).
The battery plate design allows to move battery more frontwards or rearwards, giving significant influence on weight balance adjustment.
The rear of the plate has a dedicated area for speed controller placement. Velcro® strips are included for quick & easy battery mounting.
The layout of the electronics placement was designed with the attention to the optimum weight distribution and weight balance. During the design and prototyping phase several different layouts were tested and an extensive amount of data was collected, compared and evaluated by the factory team before the final design was chosen.
Weight balance on the GTXE is easy to adjust for different track conditions. Weight can be moved to the front, middle, or rear by moving the suspension arms as required to achieve the best handling.
Diff bulkheads are an important chassis component, housing both the front and rear differentials and providing mounting points for the suspension mounts and shock towers.
The diff bulkheads have been designed for extreme durability, while providing easy access for tuning and maintenance.
XRAY Pivot Ball Suspension XPBS™ is a uniquely innovative concept, and smart R&D design. The ultra-robust pivot ball suspension has integrated suspension geometry adjustment, with different kingpin plates being optionally available.
The complete integrated suspension geometry adjustment includes:
• Track Width
• Bump Steer
• Upper Roll Center
• Lower Roll Center
• Kingpin angle
Correct suspension geometry is one of the most important features of any RC model car, while at the same time being one of the most difficult & challenging features to design properly.
Suspension is always a mixture of:
• Design & shape of individual suspension parts
• Flex & hardness
• Mounting system
• Geometry & position of mounting points of connecting parts
From the suspension arms, through the suspension blocks, to the robust steering blocks, every suspension part has been carefully designed for the 1/8 racing platform to provide responsive racing characteristics in all conditions.
XPBS™ steering blocks are unique, innovative, smart... an authentic XRAY innovation.
The steering blocks feature the following integrated geometry adjustments:
• bump steer
• kingpin angle
The steering block consists of a super-lightweight composite steering block and stiff Swiss 7075 T6 kingpin plate. The steering block is mounted via massive pivot balls into the upper & lower suspension arms.
The upper pivot ball is mounted into an adjustable upper ball joint and via roll center shims to the kingpin plate; this assembly allows camber and upper roll center adjustment. Using shims of various thicknesses, the upper roll center can be adjusted quickly & easily.
The lower pivot ball is mounted into the steering block via an adjustable alu nut and composite bushing. By adjusting the pivot ball, both track-width and camber can be adjusted.
• A higher roll center (more shims) is recommended for grippy, high-traction tracks as well as bumpy tracks.
• A lower roll center (fewer shims) is recommended for slippery & smooth tracks.
The included kingpin plate offers two different mounting possibilities: either 0° or 7°
The front upper suspension is part of the innovative, unique XPBS™ suspension concept. Extra-strong and robust front upper arms are mounted to the front bulkhead assembly into the front shock tower and adjustable suspension holder. Using eccentric bushings, front inner upper roll center can be easily adjusted.
Caster is easily adjusted using caster clips which are inserted either in front or behind the front upper arms.
The ball link is inserted into the upper arm and the integrated adjustable turnbuckle can be accessed from outside for quick & easy camber link adjustment.
To guarantee maximum reliability, all turnbuckles are manufactured from a special blend of HUDY Spring Steel™ which is specifically formulated for turnbuckles. The turnbuckles have a tougher core and are well suited for steering system and rear upright linkages.
The dual-arm steering system is simple yet effective, featuring an integrated, easily-adjustable servo saver and Swiss 7075 T6 aluminum steering plate.
Ackermann can be quickly & easily adjusted by changing steering link mounting positions on the steering plate.
Bump steer is easily adjusted by shims between the steering plate and steering linkages.
The GTXE has a conventional shaft-drive 4WD drivetrain featuring:
• front & rear gear differentials with adjustable oil viscosity, 46T crown gears, and 14T pinion gears
• central 49T spur gear
• front, rear, and central CVD drive shafts
Differential main gears are manufactured from HUDY Gear Steel on a precision manual gear machine. The material was specially formulated and developed for use in gears. All gears are hardened to provide the longest possible lifespan.
Super-lightweight diff outdrives are machined from HUDY Spring Steel™ with unnecessary material removed from the outer part of the outdrives to reduce rotating weight without affecting durability. The inner portions of the outdrives are additionally hand-ground for maximum precision and fitment into the diff case.
The outdrives are hardened using HUDY’s own special hardening process to provide extended lifespan and reliability.
GTXE constant velocity drives (CVDs) are manufactured from world-renowned HUDY Spring Steel™. The drive shafts are some of the world‘s thinnest yet most durable drive shafts used in off-road RC cars.
The larger & stronger central outdrives feature protective rubber boots, thick 3mm pins, and protective locking rings.
All drive shafts and outdrives are hardened with a proprietary hardening process to provide unbeatable lifespan and reliability.
Ultra-lightweight 17mm wheel hex drive hubs are CNC-machined from Swiss 7075 T6 black-coated aluminum.
The alu hex hubs are specially machined to reduce rotating weight while guaranteeing wobble-free wheel mounting.
Machined from extra-thick premium-grade graphite, the shock towers are light weight and very strong. Front and rear shock towers include multiple shock positions as well as multiple roll center positions.
GTXE springs have been specifically designed to complement the big-bore shocks.
XRAY shock springs are manually measured, selected, and matched into pairs to guarantee precisely equal length and damping characteristics.
Ultra-precise shock pistons feature 6-, 8- and 10-hole options. The big-bore pistons are molded from tough, well-proven Delrin® material for smooth action and durability. The precision molding production process ensures perfect piston roundness after production, so that the pistons move super-smoothly inside the shock bodies for identical, perfect action in all shocks.
The center solid axle is a precision-manufactured, super-smooth layshaft made from tough HUDY shaft steel, which is additionally heat treated for superior strength and long life.
The gear adapter is CNC-machined from Swiss 7075 T6 for super-precise and wobble-free installation of spur gear.
The motor is connected to a mounting plate, with the assembly then inserted into an integrated motor holder/drivetrain support. The design of this system allows quick & easy motor rotation to adjust gear mesh, and then clamping into position to prevent further movement.
The motor mount is machined from Swiss 7075 T6 and is 2mm wider for improved durability.
The receiver box is mounted on the same graphite plate as the servo. The graphite plate is connected to the chassis by an aluminum holder and stand that can be easily removed from chassis for cleaning and maintenance. You need only to remove 3 screws from the bottom of the chassis to remove the servo and receiver box.
The compact front bumper is made from high-resilience foam. The front upper bumper holder and lower composite bumper are molded from rigid composite to withstand hard crashes.
XRAY’s self-designed GTX body – made from high-quality Lexan™ material – features high-downforce areas: front windscreen for proper airflow, side downforce areas for higher stability. The high-performance, low-profile aerodynamic body was designed by XRAY to perfectly fit the GTX and GTXE. The rear part of the body includes 3 wing struts for added durability; a high-strength wing is included.
The GTXE body is available as an option only.
The GTXE features fully-adjustable front & rear suspension geometry. For quick & easy adjustment, we recommend using set-up tools and accessories from HUDY, the world leader of RC tools.
The extensive and impressive range of adjustment possibilities includes:
• Ride height
• Lower roll center
• Upper roll center
• Bump steer
• Fully-adjustable shocks
• Adjustable front and rear differentials
• XRAY Multi-Flex™
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