Tiny Turret Quad Track - Tiny Servo Driven FPV RC Tank - Tiny Trak

thingiverse

This tiny FPV Turret Quad Tank uses Lego tracks driven by servos, turning via skid steer. The tracks can articulate 30 degrees up and down for navigating over obstacles. The camera turret is controlled by a servo connected to the yaw on the receiver, allowing for side-to-side viewing while driving. (#TinyTrak) When designing the second iteration of this tank, my kids thought it looked like a Minion operating a tank. To build you need: -Four Lego tracks (Lego Part: x939 or 43903 - www.bricklink.com for best prices) -Four servos (continuous [FS90R] or modify a regular one – Search "FliteTest 360 Degree Servo Mod" on YouTube) -One servo for the turret -Receiver of your choice (the smaller the better) -Mini FPV camera AIO (I used this one: AKK BA2 5.8Ghz 200mW FPV Transmitter Raceband 600TVL 1/4 Cmos Mini FPV Micro AIO Camera (https://www.akktek.com/akk-ba2.html)) -5v pololu step up/down regulator -1s or 2s batteries (I used tattu 800mah); I ran two 1s batteries inside. -Twelve M3-0.5 x 14mm socket cap screws/bolts (or similar) – you could use M3x12mm, but the 14mm are better. -Twelve M3-0.5 Nylon lock nuts Quick Test video: https://youtu.be/Fby9BBVEY9s https://youtu.be/qsbE4UCF-jk This is my third Tiny Track design and second iteration of the Quad Track. (See the originals at https://www.thingiverse.com/thing:2977620) and https://www.thingiverse.com/thing:3464889). A Note on Printing: All parts can be printed without supports. These files were designed with integrated supports. There may be some tabs to cut out (see Assembly Instructions). Print: -One Turret Body (has integrated supports) -One Turret Chassis -One Turret (or one Turret Upsidedown – depending on how you wish to print with integrated supports) -One Disk (has integrated supports) -Four Lower Suspensions (has integrated supports) -Four Transverse Levers -Four driven wheels (four of each part) -Four bogey Wheels To assemble: 1. Super Glue (CA Glue) the "Driven Wheel A & B" parts together. Once dry, glue in the included servo arm in the driven wheel slot. 2. Install the driven wheels onto the servos. 3. Install the transverse lever onto the lower suspension assembly. 4. With the chassis flipped over, glue the lower suspension assembly to the chassis. 5. Attach the body onto the chassis. 6. Remove the integrated support from the disk and glue a servo horn onto the bottom of the disk. 7. Attach the disk to the servo in the turret gap. 8. Ensure the FPV camera fits into the disk. 9. Install the turret cover onto the disk. 10. Install LEGO tracks. 11. Bind your radio and get moving. Experiment with different track configurations. Enjoy!