Xray T2 Set-Up Book Download Page 14

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caMBER - THEORY

Camber is the angle of a wheel to the surface on which the car is resting (with wheels and shock absorbers mounted). Zero degrees (0°) of camber

means that the wheel is perpendicular to the reference surface. Negative camber means that the top of the wheel is leaning inwards towards the

centerline of the car. Positive camber means that the top of the wheel is leaning outwards from the centerline of the car. Camber affects the car’s

side traction.

Camber affects the car’s traction. Generally more negative (inward) camber means increased grip since the side-traction of the wheel increases.

Adjust front camber so that the front tires wear flat. Adjust 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 angles (more

inclined) require less negative camber, while lower caster angles (more upright) require more negative camber.

caMBER - MEaSURING

InITIAl STepS

SeT-Up cOmpOnenTS:

Prepare the car as follows:

Use the following set-up components:

Shocks: Attach the front and rear shocks.

Anti-roll bars: Detach front and rear anti-roll bars.

Wheels: Remove the wheels.

assembled set-up stands

1. Assemble the set-up stands.

. Mount the set-up stands on the axles.

. Place the car on the set-up board.

. Push down and release the front and rear of the car so that the suspension settles.

. Read the camber setting from the camber gauge of each of the four set-up stands.

CAMBER

Summary of Contents for T2

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 33: ...v i i i i i i i v i i 6 v i 7 7 v i v i i V i V i i vv i ii v i i Vi L vi i i v V i i v i v i i i i V i L i i V i V i ii v i i Vi i i i v i v i i V i V i i i i i ii iV i i i i V V i i ii V i i v L V i...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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