Juraj Hudy and the XRAY Engineering and Racing Teams have designed the all-new XB8 platform as a departure from the conventional off-road concept platform, and to reset the standards for performance, reliability & handling. From the all-new unique XRAY pivot ball suspension XPBS™, XRAY’s own Multi-Flex™ adjustment system, superior weight balance and weight distribution, through to the all-new big-bore high-efficiency shocks, the XB8 is the finest innovative engineering ideas transformed into a pure luxury race car.
#47350009 - XRAY XB8 (2014) 1/8 Off-Road Racing Car
Complete XRAY XB8 info
Chassis
- CNC-machined chassis made from 3mm high-quality Swiss 7075 T6 aluminum
- Strategic machining for ultra-light weight and uncompromised strength & rigidity
- XRAY Multi-Flex Technology™
- Optimized weight distribution and balance
- Engine parallel with chassis centerline, center diff positioning for straight-line central drive shafts
- Countersunk screw holes on chassis bottom for smooth underside
- Pre-drilled holes for additional balancing weights
- Pre-drilled centerline holes for use with HUDY Chassis Balancing Tool
- 1-piece electronics assembly is compact and easy to remove
- Large, easy-access, molded radio box
- Extremely durable diff bulkheads provide easy diff access for tuning and maintenance
- Extra-thick, premium-grade graphite shock towers
- Front & rear stiff composite braces
Engine & Clutch
- High-grade, CNC-machined aluminum engine mounts are extended to provide higher reinforcement of the chassis in the longitudinal direction
- High-torque clutch for smooth and continuous power transfer at high RPM
- Swiss 7075 T6 aluminum flywheel has a smaller diameter but increased weight for smoother and more balanced engine operation
- Small, lightweight Swiss 7075 T6 clutch shoes for improved wear and increased lifespan
- Extra-tough Hudy Spring Steel™ flywheel nut
- Smooth-flowing, efficient 2-part air filter
- Extra-strong fuel tank made from special composite mixture features an integrated floating stone filter and internal baffles to ensure constant fuel supply
- Fuel tank mounting with rubber grommets to absorb vibration
Brakes
- Well-proven, high-performance braking system for strong, precise and dependable braking performance
- Laser-cut, precision flat-ground steel brake disk is hand-ground for true, wobble-free rotation
- Special high-grip brake pads installed on laser-cut brake plates
- Rigid, high-precision machined brake cams
Drivetrain
- Conventional shaft-driven 4WD off-road drivetrain
- Front & rear gear differential with adjustable oil viscosity featuring 46T crown gears and 14T pinion gears
- Central differential with adjustable oil viscosity featuring 46T spur gear with standard 13T engine clutchbell
- Front, central, and rear CVD drive shafts manufactured from HUDY Spring Steel™
- Central larger and stronger outdrives feature protective rubber boots, thick 3mm pins, and a protective locking ring
- Ultra-lightweight 17mm wheel hex drive hubs CNC-machined from Swiss 7075 T6 black-coated aluminum
- Full set of 24 high-speed, blue-sealed ball-bearings ensure maximum efficiency
Differentials
- High-precision gear differentials
- Rubber-sealed composite differential housings with steel inserts
- Differential internal gears made from pressed steel, heat treated, and machined for ultra high precision and smooth operation
- Super-lightweight diff outdrives machined from HUDY Spring Steel™
- Easy access to center differential
- Center diff housing is sized to accommodate optional spur gears
- Differential main gears manufactured from HUDY Gear Steel
Suspension
- XPBS™ (Pivot Ball Suspension) is a unique concept, an XRAY innovation, and smart R&D design
- Ultra-robust pivot ball suspension with integrated suspension geometry adjustment; different kingpin plates being the only optionally-available tuning parts
- Integrated Suspension Settings™ (I.S.S.) for quick & easy suspension geometry setting
- Suspension arms with optimal length, thickness, flexibility, geometry of suspension points, and material characteristics
- Suspension arms are the result of extensive design knowledge and exhaustive testing
- Exclusive composite mixtures developed in-house by XRAY offer the perfect balance between reliability and performance, rigid enough to provide a responsive feel yet soft enough to survive extra-long main events and impact
- Extra-strong and robust front upper arms
- Super-lightweight composite steering block and stiff Swiss 7075 T6 kingpin plate
- Super-lightweight composite rear upright block and stiff Swiss 7075 T6 mounting plate
- HUDY Spring Steel™ turnbuckles
- Front & rear anti-roll bars manufactured from spring steel material
Steering
- Simple yet effective dual-arm steering system
- Integrated, easily adjustable servo saver
- Swiss 7075 T6 aluminum steering plate
- Quick & easy Ackermann and bumpsteer adjustment
- HUDY Spring Steel™ turnbuckles
Shocks
- Big-bore, long-stroke shocks for ultimate reliability and performance
- Shock bodies are externally hardcoated
- Shock body external threading for quick & easy spring preload adjustment
- Robust 3.5mm super-smooth polished shock shafts
- Longer shock shafts & shock collar for increased downtravel
- Ultra-fine shock protective rubbers for superior sealing against dirt
- Big-bore pistons made from Delrin™ material for smooth operation and durability
- Specially-formulated rubber shock membrane ensures equal damping
- Lower shock assembly features multiple high-quality silicone O-rings for smooth, free, leak-free operation
- Specially-designed shock springs have been specifically designed to complement the big-bore shocks
- Shock springs are manually measured, selected and matched into pairs to guarantee precisely equal length and damping characteristics
- Linear or progressive shock springs available
- XRAY Premium Silicone Oils are manufactured in Europe by a specialized premium silicone oil manufacturer. Each batch of premium oil is laboratory tested and calibrated to ensure the highest possible consistency and quality batch-to-batch. Based on the industry-standard cSt rating, the new line of oils will be easy to identify, adjust, and feel.
Body & Wing
- High-quality, low-downforce, low-profile, aerodynamic Lexan™ body perfectly fits the car and works in most track conditions
- Tough composite side guards protect the car, muffler, and fuel tank from side hits. The side guards perfectly fit the chassis and seal against dirt. Ribs on the left side guard protect the fuel tank from muffler heat
- The side guards are specifically engineered as a part of the Multi-Flex™ adjustment system
- Stylish, effective, and strong rear wing is made from strong special composite mixture, designed to survive severe abusive and extreme crashes while keeping its shape
- Rear wing holders made from special composite mixture to withstand abuse and crashes, and feature several different wing mounting positions
- Optional mud guards may be easily installed on the rear suspension arms to protect the rear drivetrain in wet and dirty track conditions
Assembly & Support
- Premium 3D full-color Instruction Manual & supplementary sheet
- Exclusive Virtual Online Setup Sheet database with thousands of setup sheets for race tracks around the world
- Premium, unmatched XRAY online support
Adjustment Possibilities:
The XB8 features fully-adjustable front and 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:
- Caster
- Camber
- Toe
- Kick-up
- Anti-dive
- Anti-squat
- Ride height
- Downstops
- Track-width
- Lower roll center
- Upper roll center
- Roll center positions
- Bump steer
- Wheelbase
- Ackermann
- Adjustable shocks
- Adjustable front and rear diffs
- Adjustable XRAY Multi-Flex™
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