XRAY XB8

Exploded view	Instruction manual	Presentation	Facebook

XRAY XB8E’18

All-new 2018

• All-new chassis with more space between front wheels and side guards, new positions for rear brace for improved chassis flex characteristics, and chamfered front edges for less dirt pick-up
• All-new chassis design is now fully compatible between XB8 & XB8E platforms
• All-new wing mount is 40% lighter with super-low CG. With considerably less weight behind the rear suspension this significantly improves handling characteristics. All-new construction allows more flex. Features new, optimized wing mounting positions
• All-new rear brace between wing mount and rear chassis brace prevents rear gearbox breakage during impacts, as well as moving the transfer of energy to a different part of the chassis
• All-new weight transfer from rear wing to the middle of the car reduces tension on the rear diff bulkhead
• All-new rear body holder
• All-new rear shock tower features two lines of shock absorber mounting positions and an updated design to allow fitment of the new wing mount and gearbox brace
• Harder rear lower arms for increased side stability and improved durability in hot conditions
• All-new stronger, reinforced steering ball joints for increased reliability
• All-new composite graphite shims between steering ball and nut ensures free operation of pivot balls even in extremely dusty conditions
• All-new improved diff O-rings for more precise differential sealing
• Softer shock membranes for improved shock performance in bumpy conditions
• Front & rear CVD drive shafts for increased rear traction
• 2.6mm rear sway bar for increased traction
• All-new stronger head screws for diff bulkheads for more reliability
• High-speed body for improved handling on high-speed tracks and improved rotation in tight corners

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™
• Chassis design fully compatible between XB8 & XB8E platforms
• Countersunk screw holes on chassis bottom for smooth underside
• Chamfered front edges on the chassis for less dirt pick-up
• Pre-drilled holes for additional balancing weights
• Pre-drilled centerline holes for use with HUDY Chassis Balancing Tool
• Side guards for better stability and improved traction
• Chassis braces for increased flex, better traction, and elimination of vibration from suspension
• Rear brace between wing mount and rear chassis brace prevents rear gearbox breakage during impacts as well moves the transfer of energy to different part of the chassis
• Super strong diff bulkheads
• Strong head screws for diff bulkheads for better reliability 
• Composite upper deck with optimized flex which results in increased traction and improved steering characteristics.
• Premium Swiss 7075 T6 shock towers
• Rear shock tower features two lines of shock absorber mounting positions

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
• Front & rear CVD drive shafts to generate more traction
• All drive shafts manufactured from HUDY Spring Steel™

• Central larger & 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 22 high-speed, greased, blue-sealed ball-bearings ensure maximum efficiency

Differentials

• Large volume high precision front, central, and rear gear differentials Rubber-sealed composite differential housings with reinforced internal diff gears with more teeth and improved tooth profiles
• 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

• Longer rear arms make the car easier to drive in most track conditions
• Harder rear lower arms increase side stability and improves durability in hot conditions
• Pivot ball suspension concept to prevent binding in dusty conditions, while ensuring stable ride height in all traction conditions
• 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 & robust front upper arms accommodate pivot ball suspension.
• Front upper pivot balls are combined with steel threaded part for maximum strength; aluminum ball is machined from premium Swiss 7075 T6 and additionally hardcoated for extended lifespan
• 2-pivot ball, super-lightweight composite steering blocks
• Turnbuckles made from special blend of HUDY Spring Steel™ specifically formulated for turnbuckles
• Front & rear anti-roll bars manufactured from spring steel material
• Rear 2.6mm sway bar increases rear traction of the car
• Servo saver moulded from graphite material which is more resistant and efficient in dusty conditions
• Redesigned steering pivot balls to eliminate wheel lock
• Dual-arm steering system with adjustable Ackermann
• Stronger & reinforced steering ball joints for increased reliability
• Composite graphite shims between steering ball and nut ensure free operation of pivot balls even in extreme dusty conditions
• Integrated, easily adjustable servo saver
• Swiss 7075 T6 aluminum steering plate
• Quick & easy Ackermann and bump steer 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
• Longer rear shock body for improved efficiency in rough, bumpy conditions
• 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
• Ultra-precise big-bore 6-, 8- and 10-hole shock pistons made from Delrin™ material for smooth operation and durability
• Specially-formulated rubber shock membrane ensures equal damping
• Shock membranes from softer material for improved shock performance in bumpy conditions
• Lower shock assembly features multiple high-quality silicone O-rings for smooth, free, leak-free operation
• Front & rear shock springs feature a mix of progressive & linear rates; the springs are slightly progressive, but under larger compression they change characteristics to become more linear to give excellent feeling & feedback in all different track conditions.
• 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
• HUDY 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 oils will be easy to identify, adjust, and feel.

Body & Wing

• High-speed body for improved handling on high-speed tracks  & with increased rotation in tight corners 
• High-quality Lexan™ body perfectly fits the car and works in most track conditions
• 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.
• 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
• 40% lighter wing mount with super low CG and with considerably less weight behind the rear suspension significantly improves handling characteristics of the car and featuring construction that allows more flex as well features more optimized wing mounting positions

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 XB8E 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™

All specifications are subject to change without prior notice. Pre-production prototype is shown, final specifications may slightly vary. In some pictures optional parts may be shown. All option parts are not included and must be purchased separately. The color of some aluminum parts may vary from kit to kit and some of the kits may not include all the orange or black parts as shown. Some of the spare parts or option parts may not be available at the moment in the orange or black color as shown. Some of the pictures show colored stickers on wing and radio tray, these are not included in the kit and are used in photos only for promotional purposes. The racing body included in the box is clear and unpainted.