XRAY T3 Set-up Book - Petit RC

WHEELBASE
wheelbase
Wheelbase refers to the horizontal distance between the front and rear axles. Changes to wheelbase can have a dramatic effect on the handling
of your car, since it readjusts the distribution of weight on the wheels, which adjusts traction. Not all R/C cars have the option to adjust the
wheelbase.
By adjusting the wheelbase at one end of the car, you affect the traction at that end of the car. For example, by shortening the wheelbase at the
rear of the car, you place more weight over the rear wheels (resulting in more rear traction.)
Effects of Wheelbase Adjustment
Longer wheelbase
Shorter wheelbase
· Car more difficult to turn around sharp corners.
· Increased stability.
· Better handling over bumps and ruts.
· Better on more open tracks with high-speed corners.
· Car turns sharp corners more easily.
· Increased steering response.
· Better on tighter, more technical tracks.
Adjusting Wheelbase
Wheelbase is adjusted by using shims of different thickness on the rear lower (inner) pivot pins in front and behind the rear lower arm. There is a
total 5mm adjustment range of the wheelbase, 255~260mm.
Use the following shims to adjust wheelbase:
30 3122 ALU SHIM 3x6x1.0MM (10)
30 3123 ALU SHIM 3x6x2.0MM (10)
Use these shims (mm)
Wheelbase (mm)
Front of rear arm Behind rear arm
255 2+2+1
256 1 2+2
257 2 2+1
258 2+1 2
259 2+2 1
260 2+2+1
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