A nearly fully 3D-printed, 4WD RC drift car. 1:28 scale, fits 90mm (M) wheelbase MINI-Z shells*.
*Note: The front section of the chassis is relatively tall and won't fit certain shells, such as the RX-7 FD. Verified compatible with the AE86 shell. Test drive: https://youtu.be/90DoZpYbfy4
U-joint closeup: https://youtu.be/g_EzM2HMQvg
Some parts in this design are quite challenging to print - make sure you have a well-calibrated printer before attempting.
Features:
- Fully indepdendent sliding suspension
- 4WD drivetrain with printed U-joints (no differentials)
- Mid-mounted battery and motor - approx 50-50 weight distribution
- Parallel steering geometry for drifting
- Uses common M3 fasteners, locknuts everywhere
- TPU printed tires
| Part | Quantity | Notes |
|---|---|---|
| M3x10mm button head screw | 8 | |
| M3x8mm button head screw | 7 | |
| M3x12mm button head screw | 1 | |
| M3x18mm button head screw | 1 | |
| M3 lock nut | 17 | |
| MR105 bearing | 8 | |
| 130 size brushed motor, 2s compatible | 1 | |
| GH-S37D 3.7g servo | 1 | |
| Compression spring, ~4mm OD, ~4mm length | 4 | Softer springs are better. Springs from multicolor retractable pens work well here when cut to length. Ordinary pen springs are too stiff. |
| Venom Fly 300mah 2S battery | 1 | |
| Small brushed ESC, 2S compatible | 1 | |
| Small radio receiver | 1 | 2 channels or more. Flysky GR3E works if you remove its case. |
| MINI-Z shell, M wheelbase | 1 | Tested with Kyosho MZQ101 AE86 shell |
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