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zcar2

zcar2 image

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

Non-printed Parts

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

Assembly

Todo

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3D-printed 1:28 scale 4WD drift car

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