3D parts for download: https://www.thingiverse.com/thing:3006384
nuts: M3,M4,M5 normal and self-locking
bolts: M3x10mm, M3x16mm, M3x25mm,M4x16mm, M4x27mm, M5x20mm.
4x TT motor, 6x whell, Servo S3003, 2x 625 bearing, small spring.
Step 1: Prepare the Rear Axle Mounting Bolts As Shown
4x M5x20mm, normal nut
4x M4x27, normal nut
Step 2: Frame Connection
28x M4x16mm, normal nut.
Step 3: Install the Servo
8x M3x10mm, normal nut
Step 4: The Front Axle Suspension Assembly As Shown
12x M4x16mm, normal nut
4x M5x20mm, self-locking nut, 2x washer
Step 5: Compression of Bearings and Wheels
Into the front_axle07 press 625 bearing. The wheel is pressed with the front_axle09 through the bearing. Do it twice.
Step 6: Fire the Wire As Shown
fire the wire as shown, to control the front axle using the sevo motor.
Step 7: Complete the Front Axle
4x M4x16mm normal nut,
3x M3x10mm, normal nut.
Step 8: Assemblies 4x Rear Shock-absorber
4x small spring (I used one half of the spring from the old pen)
Step 9: Chassis Completion
4x shock absorber
4xM5 self-locking nut,
4xM4 normal nut
Step 10: Congratulations, It's Done
I am now working on the superstructures for this chassis.
You can support me here: www.patreon.com/jirkasirka