Fully Printed 4WD Drift Car Chassis - 1:28 Scale

prusaprinters

<h3>For the most up-to-date parts, visit the <a href="https://github.com/alexyu132/zcar2">GitHub project page</a>.</h3> <h3>A 3D-printed, 4WD RC drift car. 1:28 scale, fits 90mm (M) wheelbase MINI-Z shells.</h3> <h3>Test drive: <a href="https://youtu.be/90DoZpYbfy4">https://youtu.be/90DoZpYbfy4</a></h3> <h3>U-joint closeup: <a href="https://youtu.be/g_EzM2HMQvg">https://youtu.be/g_EzM2HMQvg</a></h3> <h3>Note: Some parts in this design are quite challenging to print - make sure you have a well-calibrated printer before attempting. For best results, print the parts in ABS or PETG.</h3> <h3>For grip racing or a simpler and cheaper build, my RWD chassis design is available <a href="https://www.thingiverse.com/thing:4429118">here</a>.</h3> <h3>Features:</h3> <ul> <li>Fully indepdendent sliding suspension</li> <li>4WD drivetrain with printed U-joints (no differentials)</li> <li>Mid-mounted battery and motor - approx 50-50 weight distribution</li> <li>Parallel steering geometry for drifting</li> <li>Uses common M3 fasteners, locknuts everywhere</li> <li>TPU printed tires</li> </ul> <h3>Non-printed Parts</h3> <p>| 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 |</p> <h3>Assembly</h3> <p>Todo</p> <h3>Print Settings</h3> <p><strong>Rafts:</strong></p> <p>No</p> <p class="detail-setting supports"><strong>Supports: </strong> <div><p>No</p></div> <p><strong>Resolution:</strong></p> <p>0.1</p> <p class="detail-setting infill"><strong>Infill: </strong> <div><p>25-30%</p></div> <p><strong>Filament:</strong> Any ABS/PETG <br/> <p class="detail-setting notes"><strong>Notes: </strong></p> </p><div><p>The U-joint parts have small built-in supports that must be peeled off before assembly. If the supports are stuck too strongly to the print, they can be easily cut off with flush cutters or nail clippers.</p></div> </p></p> Category: R/C Vehicles