Ofna-racing Jammin X1 CRT PRO User Manual download pdf (Page 27)

SETTING GUIDE

FRONT CAMBER ANGLE SETTING REAR CAMBER ANGLE SETTING

Place the model car on flat surface. Raise the chassis to it's maximum clearance

before the wheels leave the ground.

Adjust the length of the front and rear upper arms so that the wheels are right angle to the

ground.

The camber angle adjustment can be moving the turnbuckle rod on the upper arms,

clockwise or anti-clockwise.

(We suggest use zero degree for the front and 1.5 degree for the rear.) negative

Turnbuckle

FRONT TOE-IN AND TOE-OUT SETTING

TOE-IN

TOE-OUT

NEUTRAL POSITION

Making the tie rod shorter will make the front tires

become toe-out.

Response will be quicker and will under steer.

REAR SHOCK ANGLE SETTING

1 2

Firm rear suspension, over steering.

Soft rear suspension, under steering.

Steering Rod

FRONT SHOCK ANGLE SETTING

Firm front suspension, less steering.

Soft front suspension, more steering.

123

Soft

Firm

Negative

Positive

Adjust the length of front steering rod to change the

toe angle.

Making the tie rod longer will make the front tires

become toe-in.

Response will be slower and will over steer.

Soft

Firm

TOE-OUT

Adjust the front caster angle by changing the arm block "A" or "B" in the front lower arms.

After you set the caster angle , you also need to adjust the front upper arm position.

The final caster also depends on the kick-up setting.

Example:15 degree caster on C-hub + 7degree kick-up+"A" lower arm block =22 degree final caster.

15 degree caster on C-hub + 7degree kick-up+"B" lower arm block =20 degree final caster

Caster angle Characteristics

Increases off-power steering into a corner.

Less caster Decreases on-power steering out of and in a corner.

Decreases straight-line stability.

Decreases off-power steering into a corner.

More caster Increases on-power steering out of and in a corner.

Increases straight-line stability.

CASTER ANGLE

7 degree

15 degree

on C hub

REAR WHEELBASE

Adjust the wheelbase by using the spacers on either side of the rear uprights (at the bottom pin).

less spacers in front of rear upright.

- increases rearward weight transfer during acceleration.

- increases on-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.

more spacers in front of rear upright.

- decreases off-power steering into sharp corners.

- increases stability.

- slower initial steering reaction (off-power).

- improves on-power steering at corner exit.

- better handling over bumps and ruts.

- better on more open tracks with high-speed corners.

IMPORTANT! Make equal adjustments on both left and right sides of the car.

Shorter wheelbase

Longer wheelbase

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Ofna-racing Jammin X1 CRT PRO User Manual Page 27

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