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SETUP THEORY

Setting up a racecar with fully independent suspension, like your XRAY T, is necessary to make the car perform well. We have developed these

straightforward procedures to help you set up your car properly and easily. Always follow these procedures step-by-step, in the order presented, and

always make sure that you make equal adjustments on both left and right sides of the car.

The Set-Up Theory section describes the effects of changing settings on your T racing car. We refer to handling effects of the car in the corner, and

we distinguish three corner sections and three throttle/brake positions as follows:

• corner entry

• braking

• mid-corner

• off-throttle

• corner exit

• on-throttle

Car setup is a complex matter, as all adjustments interact. Fine-tuning the setup will make the car faster and often easier to drive near its performance

limit. This means that all the effort you put into your car in preparing it and optimizing the setup will pay off in better results and more satisfaction.

Chassis stiffness (especially torsional) is an important factor when setting up your car. A stiff chassis helps to eliminate chassis flexing and twisting,

which would otherwise introduce another factor that is not easy to measure or adjust. However, chassis stiffness is also a setup tool. By altering

chassis stiffness by changing the main chassis plate, top deck, chassis stiffeners, or other components, you can make a “softer” or “stiffer” car that

may be more or less suited for racing or your driving style. T features the world's first exclusive XRAY Multi-Flex Technology

(XRAY patent) that

enables you to adjust the car’s stiffness.

If you choose to adjust your car set-up to better suit different track conditions, make small adjustments, one at a time, and see if you find any

improvement in handling with each adjustment. We advise you to keep track of your set-up changes, and record which set-ups work best at

different racetracks under various conditions. You can upload all your T set-up settings to the XRAY's On-line Virtual Set-up Sheet Database at

www.teamxray.com and can access your personal settings from anywhere. You can also benefit from all the set-up sheet knowledge and download

the set-up sheets from XRAY factory team drivers.

Remember that for the car to work and respond to set-up changes properly, it must be in good mechanical shape. Check the well functioning of

critical areas such as the free movement of the suspension, smoothness of shock absorbers, and lubrication and wear of transmission parts after

each run, and especially after a collision.

After rebuilding the chassis, or in case you become lost with your set-up, always return to the last set-up you have recorded, or use one of the set-

ups posted for your car.

When setting up your T2 car, we strongly recommend using the Hudy All-In-One Set-Up Solution #108255, which includes all

the required and neccessary set-up tools and equipment.

107702 DrOOp GAUGe SUppOrT BlOckS

• CNC-machined high-grade aluminum

• precision engraving

• supports chassis when checking downstops

• used with 10771 Droop Gauge

107712 DrOOp GAUGe

• CNC-machined high-grade aluminum

• precision engraving

• measures downstops when used with10770 Droop Gauge Support Blocks

109305 UnIverSAl exclUSIve AlU. SeT-Up SySTem fOr TOUrInG cArS

• CNC-machined alu. and acrylic components

• fully ball-bearing equipped

• precision engraving

• directly measures camber, camber rise, caster, toe, steering throw symmetry

• easy one-screw assembly/disassembly

prOfeSSIOnAl TWeAk STATIOn fOr 1/10 TOUrInG cArS

• best-in-class integrated solution for quick and easy track & tweak adjustment

• innovative, easy-to-use, high-tech design

• fully ball-bearing equipped for smoothness and high precision

• ultra-sensitive balance platform gives highly-accurate readings, allowing you to easily and quickly read

and interpret tweak

• rugged CNC-machined aluminum construction, fully assembled

SETTING UP THE XRAY T2

Содержание T2

Страница 1: ...LUXURY TOURING CAR XRAY MODEL RACING CARS P O BOX 103 911 50 TREN N SLOVAKIA EUROPE PHONE 421 905 402724 support teamxray com www teamxray com 5 8 1 7 0 3 9 2 0 0 4 5 8 SET UP BOOK SET UP BOOK SET UP...

Страница 2: ...oe 18 Tweak 20 Roll Center 24 Chassis Flex Setting 28 Top Deck Flex Setting 29 Shocks 30 Dive Front 33 Squat Rear 34 Wheelbase 35 Anti Roll Bars 36 Front Rear Axles 37 Gearing 40 Gear Charts 41 Shock...

Страница 3: ...our set up changes and record which set ups work best at different racetracks under various conditions You can upload all your T2 set up settings to the XRAY s On line Virtual Set up Sheet Database at...

Страница 4: ...omponents of the Hudy All In One Set Up Solution as follows CAR SET UP COMPONENTS Shocks Anti Roll Bars Wheels Set Up Stands Droop Gauges Ride Height Gauge Toe Gauge Tweak Station Downstops detach det...

Страница 5: ...om the rear wheels to the front wheels Center of gravity is affected by the physical weight of the car and the placement of all components on the car If the car is not equally balanced front rear and...

Страница 6: ...on throttle understeer Better on smooth tracks Lower front downstop value Increases upward chassis travel on throttle Decreases high speed steering Decreases initial on throttle understeer Better on b...

Страница 7: ...of the support blocks or above the bottom of the chassis Negative numbers indicate the distance in mm BELOW the level of the support blocks or below the bottom of the chassis Downstops ADJUSTING Front...

Страница 8: ...ing foam tires Ride Height and Suspension Settings Suspension settings are unaffected by the wheels tires you put on the car only the ride height is affected When you use a set up system such as the H...

Страница 9: ...h FRONT springs EQUALLY Decrease Lower DECREASE preload on both FRONT springs EQUALLY Rear Ride Height Increase Raise INCREASE preload on both REAR springs EQUALLY Decrease Lower DECREASE preload on b...

Страница 10: ...s Both left and right wheels at the front or rear should be the same diameter Small ruler DROOP DROOP AND RIDE HEIGHT When you use rubber tires on your car you can set a particular downstop value to g...

Страница 11: ...st lift from the set up board 5 On the ruler note the distance to the chassis bottom The amount that the chassis rose before the wheels lifted is the droop value Repeat steps 3 5 for the other end of...

Страница 12: ...t is important that front or rear track width is adjusted symmetrically meaning that the left and right wheels must be the same distance from the centerline of the chassis Making the track width narro...

Страница 13: ...dge of the left set up stand hits the edge of the slot in the toe gauge Then slide the toe gauge to the left until it stops against the pin on the right front stand 8 Adjust the transmitter steering t...

Страница 14: ...ust rear camber so that the rear tires wear slightly conical to the inside The amount of front camber required to maintain the maximum contact patch also depends on the amount of caster Higher caster...

Страница 15: ...in The difference between those two camber angles represents the camber rise It can usually be adjusted by changing the upper link arm mount location on the shock tower Each graduated mark indicates a...

Страница 16: ...t of front static camber required to maintain maximum tire contact largely depends on the amount of caster used A higher caster angle more inclined requires less static camber while a lower caster ang...

Страница 17: ...of rolling through them If the car steers well off power but pushes on power then use more Ackermann effect and decrease your transmitter EPA dual rate If the car steers well on power and pushes off p...

Страница 18: ...oe gauge to the right until the pin on the top edge of the left set up stand hits the edge of the slot in the toe gauge Now read the toe value on the toe gauge The black line on the top edge of the st...

Страница 19: ...holders and the rear bulkheads Increase more rear toe in ADD shims thicker more between rearmost lower suspension holder and bulkheads on both sides equally Decrease less rear toe in REMOVE shims thin...

Страница 20: ...t have to be aligned The HUDY Professional Tweak Station level indicates the amount of tweak of the end of the car resting on the set up board not the end of the car on the tweak station For example b...

Страница 21: ...eaked Since the chassis is the central attachment point for all suspension components a twisted chassis will render all other suspension settings as unbalanced To check for a twisted chassis remove th...

Страница 22: ...pring preload on the REAR RIGHT shock INCREASE spring preload on the REAR LEFT shock Adjust both rear springs equally but in opposite amounts otherwise you will change the rear ride height Excess load...

Страница 23: ...i roll bar linkage Adjust both rear anti roll bar linkages equally but in opposite amounts Rear left wheel tweak reading Rear right wheel tweak reading Meaning Action No tweak at front of car None Exc...

Страница 24: ...own roll center Center of gravity CG is where all cornering force is directed RC and CG are ideally in the middle left right middle of the car RC is vertically below the CG in cars More chassis roll e...

Страница 25: ...and corner exit Better on tracks with quick direction changes chicanes Front roll center has most effect on on throttle steering during mid corner and corner exit Rear roll center affects on and off...

Страница 26: ...t suspension pin holders higher value Effect Suspension Arm Change the following Inner Pivot Outer Pivot Lowering rear roll center Rear upper camber link Raise and or move inward the inner pivot mount...

Страница 27: ...ssis rolls Changing the camber link angle affects grip throughout the entire corner while changing the length has more of an effect in the middle of the corners A Raise the roll center shorten or incr...

Страница 28: ...ex Technology MFT drivers can now not only change the amount of overall flex to the extreme but they are also able to fine tune the differing characteristics of both torsional twisting and lateral fro...

Страница 29: ...29 XRAY MULTI FLEX TECHNOLOGY 1 1 1 1 1 1 1 STIFF SETTING MEDIUM SETTING SOFT SETTING TOP DECK FLEX SETTING screw not used screw used screw not used screw used screw not used screw used...

Страница 30: ...A spring with a higher spring weight number such as a 30lb is considered harder since it will be more difficult to compress than a spring with a lower spring weight number such as a 20lb spring XRAY s...

Страница 31: ...reload 30 8380 ADDITIONAL XRAY ULTIMATE RACING SPRINGS 20 30 8384 XRAY SPRING SET D 1 5 15 LB BLUE GREEN 4 30 8385 XRAY SPRING SET D 1 6 20 LB LIGHT BLUE 4 30 8386 XRAY SPRING SET D 1 7 25 LB DARK BLU...

Страница 32: ...main idea behind them is that you can change the shock damping by altering the shock pistons without having to disassemble the shocks and changing pistons Adjusting the shock pistons may compress an...

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Страница 34: ...i i Vi i i i v i i i i V i i i ii V i i i i v i i i i L vi i i i i V i i V i i v V i i i L v i i i i i VVi i L v i i i i V ii i i i i V i i V i V i iV i i i v i V i i i i i i i i ivviV i i i i V i i i...

Страница 35: ...0MM 10 30 3123 ALU SHIM 3x6x2 0MM 10 WHEELBASE Effects of Wheelbase Adjustment Adjusting Wheelbase Wheelbase mm Use these shims mm Front of rear arm Behind rear arm 255 2 2 1 256 1 2 2 257 2 2 1 258...

Страница 36: ...role in the effectiveness of anti roll bars and a stiffer chassis makes the car more responsive to anti roll bar changes Stiffer Decreases chassis roll Decreases front grip increases rear grip Decrea...

Страница 37: ...table under braking but better turn in Car will understeer on power at corner exit A rear differential has the same construction as a front ball differential A rear differential is a very common choic...

Страница 38: ...position or caster FRONT SOLID ONE WAY AXLE When using an XRAY Multi Diff in one way mode outdrive shafts left and right are not connected to each other nor to front main axle This mode combines the c...

Страница 39: ...o set their radio to give less braking action use the throttle EPA setting this will prevent the rear tires from locking unexpectedly Track surface One Way Pulley Front One Way Axle Tight Loose Low tr...

Страница 40: ...eth on the pulleys and or gears The T2 has a DTR of 1 7 GEARING The primary drive ratio PDR is the ratio between the pinion and spur gear This number is commonly rounded up to the nearest thousandth a...

Страница 41: ...18 02 17 81 17 60 17 40 14 20 37 20 12 19 88 19 64 19 40 19 18 18 95 18 73 15 21 83 21 56 21 30 21 04 20 79 20 55 20 31 20 07 16 23 28 23 00 22 72 22 44 22 18 21 92 21 66 21 41 17 24 74 24 43 24 14 2...

Страница 42: ...hock body with the membrane sitting at an angle Gently use your finger to press the rest of the membrane down into the body until it is seated on the shock body s lip If using foam inserts place the i...

Страница 43: ...wo or more runs If you follow these steps and reach 3 0 camber on a set and one or both of them are still wearing the outside edge then you need to increase the amount of negative camber rise on the o...

Страница 44: ...LUXURY TOURING CAR XRAY MODEL RACING CARS P O BOX 103 911 50 TREN N SLOVAKIA EUROPE PHONE 421 905 402724 support teamxray com www teamxray com 5 8 1 7 0 3 9 2 0 0 4 5 8 SET UP BOOK SET UP BOOK SET UP...

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