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FOR ALL 1/8

OFF-ROAD

& TRUGGY

®

Summary of Contents for X-Ray X10

Page 1: ...FOR ALL 1 8 OFF ROAD TRUGGY...

Page 2: ...Measuring Toe 20 Adjusting Toe 21 Steering 22 Ackermann 22 Servo Saver Preload 23 Bump Steer 23 Roll Center 24 Front Roll Center 24 Rear Roll Center 25 Shock Absorbers 26 Shock Damping 26 Shock Pisto...

Page 3: ...ovement with each adjustment We strongly advise you to record and keep track of your set up changes record which set ups work best at different racetracks under various conditions If you own an XRAY m...

Page 4: ...wnstops for off road vehicles when used 107703 Droop Gauge Support Blocks 108202 Set Up Board exceptionally at warp resistant surface lightweight easy to carry provides perfectly at reference surface...

Page 5: ...rn RC nitro car ywheels with 2 to 4 pin designs allowing you to loosen or tighten the ywheel nut very comfortably and easily use with 107581 Wrench Glowplug Clutchnut to hold and loosen tighten ywheel...

Page 6: ...owing you to build a perfect free moving suspension comfortable molded handle quick easy to use available for different size pins 3 5mm pins 107632 3 0mm pins 107633 4 0mm pins 107634 106000 Drive Pin...

Page 7: ...the Exclusive Alu Set Up System For All 1 8 Off road Cars Truggies must be assembled in order for you to use them These stands were designed for quick and easy one screw assembly and disassembly The...

Page 8: ...plates without scale only with HUDY logo The camber gauge of each stand should face outward so it is easy to read The camber gauge of the front stand should face forward while the camber gauge of the...

Page 9: ...roop gauge Camber Flat set up board Droop gauge support blocks Assembled set up stands Track width Flat set up board Board decal Caster Flat set up board Assembled set up stands Toe Flat set up board...

Page 10: ...y which results in less weight transfer It is very important to have the same downstop settings on the left and right sides of the car EFFECTS OF DOWNSTOP ADJUSTMENT FRONT DOWNSTOPS Higher downstop va...

Page 11: ...WNSTOPS Measure the rear downstop values under the round part of the rear wheel axles DO NOT measure under the hex part The values shown on the droop gauge indicate how many millimeters the suspension...

Page 12: ...de height Increases overall stability Better on smooth tracks Increasing ride height Decreases overall stability Better on bumpy tracks prevents bottoming Front higher than rear Increases weight trans...

Page 13: ...board and the bottom of the chassis The 0 mark on the droop gauge is equal to 30mm ride height A negative value on the droop gauge is lower than the 30mm reference height For example if the chassis i...

Page 14: ...les more inclined require less negative camber while lower caster angles more upright require more negative camber EFFECTS OF CAMBER ADJUSTMENT FRONT CAMBER More negative more inclined More steering L...

Page 15: ...R Increase more ve SHORTEN the front upper camber link Decrease less ve LENGTHEN the front upper camber link FRONT CAMBER Increase more ve SHORTEN the rear upper camber link Decrease less ve LENGTHEN...

Page 16: ...p Decreases understeer Faster steering response REAR TRACK WIDTH Wider Increases rear grip at corner entry Increases high speed on throttle steering Use to avoid traction rolling Narrower Increases gr...

Page 17: ...the front track width graduation marks Use a straight edge against the wheel if necessary to see what the measurement is The measurement represents the distance from the car s centerline to the outer...

Page 18: ...ntrifugal forces pushing the car to the outside Compare that to the static camber of the wheels which is adjusted with the car sitting on a level surface and the wheels pointed straight ahead Static c...

Page 19: ...vot point Each graduated mark indicates a 2 camber value You should be able to set camber with a resolution of 1 ADJUSTING FRONT CASTER There are several different ways to adjust caster on a car with...

Page 20: ...rms inner mounting pin or other method EFFECTS OF TOE ADJUSTMENT FRONT TOE Increasing more toe in Makes car easier to drive Decreasing less toe in or more toe out Decreases understeer Increases steeri...

Page 21: ...ts the edge of the slot in the toe gauge Read the measurement REAR TOE Set the toe gauge atop the rear set up stands The pins at the top of the stands t in the machined slots in the toe gauge Push on...

Page 22: ...l as the servo turns either way from center The rate of the increase called Ackermann effect can be changed by the angle of the steering rods connecting the steering plate The straighter the rods are...

Page 23: ...re bump steer wheels more parallel under compression Increases steering in mid corner Steering may become twitchy Easier to control on smooth tracks Less bump steer wheels open more under compression...

Page 24: ...upper pin link inner lower pin outer lower pin For information on adjusting roll center on cars with other adjustment possibilities for example outer lower pins please refer to the manufacturer s orig...

Page 25: ...ng mid corner and corner exit REAR UPPER CAMBER LINK LENGTH CHARACTERISTICS Shorter link outer hole on tower and or inner hole on hub Increases steering and decreases stability into corner Increases o...

Page 26: ...f oil ow through the piston affected by the number of holes in the piston and the hole diameter Velocity speed of the piston Damping is affected by both shock oil and shock piston settings getting the...

Page 27: ...drivers we advise using only XRAY Silicone Shock Oil Note that typically you should use piston hole sizes to suit the track conditions rather than alter the oil viscosity IMPORTANT Both front shocks...

Page 28: ...Slower initial steering Rear Shock Tower Outer holes Less mid corner grip More traction into corner Squares up better on exit Inner holes More steering into corner More mid corner grip SHOCK LOWER PO...

Page 29: ...the front or it may be accomplished by altering the angle of the front lower inner pivot pins Front kick up is used to adjust the amount of weight transfer to the front when the car is off throttle o...

Page 30: ...s used to allow a certain percentage of the weight transfer to be absorbed by the rear lower arm motion EFFECTS OF REAR ANTI SQUAT ADJUSTMENT REAR ANTI SQUAT ANGLE CHARACTERISTICS Less anti squat atte...

Page 31: ...power traction Quicker off power steering into corners Slight tendency to push on power at corner exit Increases steering response Better on tighter more technical tracks Longer wheelbase more spacers...

Page 32: ...stiffness plays a very important role in the effectiveness of anti roll bars and a stiffer chassis makes the car more responsive to anti roll bar changes The front anti roll bar affects mainly off po...

Page 33: ...ility at lower speeds Forward Decreases rear traction Rearward Increases rear traction Flatter angle Level jumping or nose diving Steeper angle Increases traction at higher speeds Less nose diving ADJ...

Page 34: ...to drive on low grip tracks Thicker stiffer Clutch engages later at higher RPM More sudden acceleration Car is more aggressive Engine will perform better on high grip tracks ADJUSTING CLUTCH SPRINGS...

Page 35: ...t 359350 50 000 cSt 359303 3 000 cSt 359360 60 000 cSt 359305 5 000 cSt 359380 80 000 cSt 359307 7 000 cSt 359392 100 000 cSt 359310 10 000 cSt 359394 150 000 cSt 359320 20 000 cSt 359396 200 000 cSt...

Page 36: ...acks and conditions Smaller rear gear less teeth Using a smaller rear gear is NOT recommended OPTIONAL DIFFERENTIALS XRAY ACTIVE DIFF 2 1 3 The XRAY Active Differential is a high performance adjustabl...

Page 37: ...by changing the pinion gear on the clutchbell and the spur gear on the central differential also known as the primary drive ratio PDR It is very important to establish the best gear ratio for each tra...

Page 38: ...on the item s features its reliability characteristics and the life span of each of its parts and components which HUDY strives to maximize HUDY s manufacturing facility is the most modern in the RC...

Page 39: ...ced technology semi fluid special formulation provides outstanding load carrying and anti wear properties superior protection against wear resulting in reduced gear replacement costs and increased par...

Page 40: ...HUDY PRED POLOM 762 911 01 TRENCIN SLOVAKIA EUROPE 5 8 1 7 0 2 0 9 0 9 9 2 8...

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