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CineRat 02 Parts List and 3D prints
Current build:
| Part id | Part Name | Source | Comment |
|---|---|---|---|
| Motors | Emax Eco 1407-4100KV | Droneshop | For 6S, use 2800KV version? |
| Props 3x3x3 | HQProp DP-3x3x3B-PC | Droneshop | |
| Props 3x2.1x3 | GemFan WinDancer 3028-3 | Droneshop | Performed similar, and more stable |
| Bat | Tattu FunFly 4S 100C 1300mAh | Droneshop | |
| Frame | Ethix CineRat HW parts | Droneshop | |
| FC | Matek FC H743-SLIM V3 | Droneshop | |
| ESC | Aikon AK32 35A 4-in-1 | Droneshop | |
| GPS + Magneto | Foxeer M10Q-250 | Droneshop | Untested |
| Buzzer | Piezo Buzzer - Active | Kiwi electronics | |
| Computer | Raspberry Pi Zero 2W | Raspberry Pi store | |
| SD Card | Conrad? | Check list of known-good SD cards |
Many micro SD cards won't work (nicely) with blackbox because of latency/thruput/etc. Blackbox can only handle 4GB anyway, so invest in 64GB cards makes no sense anyway. Latency and speed over size!
Known to be good by our group:
- Sandisk Extreme PRO 32GB Class 10 UHS-I <-- the absolute best. Logging loads at 1kHz possible, little corruption
- Samsung EVO 32GB Plus Class 10 UHS-I <-- but not as good as Sandisk Extreme PRO
- Sandisk Extreme 32GB Class 10 UHS-I <-- but not as good as Sandisk Extreme PRO
Known to be good by betaflight devs (https://betaflight.com/docs/development/Blackbox#microsdhc)
- Transcend 16GB class 10 UHS-I
- Sandisk Extreme 16GB Class 10 UHS-I
- Sandisk Ultra 16GB (but not 32GB!)
Known to be bad:
- Generic 4GB Class 4
- Sandisk Ultra 32GB
- Integral 32GB
Make sure you follow the procedures in CineRat -- 04 Software Installation and Setup#Optional -- INDIflight blackbox for logs.
Find STL and Gcode below.
Fusing 360 project "Pi Holder" at https://tudelft264.autodesk360.com contains everything but the bumpers.
| Part | Amount | STL | Note |
|---|---|---|---|
| RPi Mouting | 1 | Pi Adaptor v17 | |
| Optitrack Clip 8mm | 2 | OptitrackClip8mmV3 | For cable management and bottom side optitrack mounting (use spherical markers) |
| Optitrack Clip 10mm | 2 | OptitrackClip10mmV3 | Idem |
| Optitrack Motor | 3 or 4 | OptitrackMotorV3 | Mounts onto M5 nuts of the motors and can be covered in reflective tape |
| Optitrack Top | 2 and 2 symmetry | OptitrackTopV2 | |
| Bumper Front | 1 and 1 symmetry | BumperFrontLeftV2 | |
| Bumper Rear | 1 and 1 symmetry | BumperFrontRightV2 |
Print with PLA, heat bed to 60deg for attachment on Ultimaker 3 and Creality Ender Pro 3. Infill about 20%. Initially I did 2mm wallthickness, but I don't think that's necessary.
Use buildplate adhesion; some parts are small!
For UM3 and BambuLabs I made some gcode that should be plug-and-pray.
| Part | Printer | Estimated Time | File |
|---|---|---|---|
| All parts | Bambu Labs at MAVLAB | 1:40h | BambuLabs_CineRate_IncludingBumpers.gcode.3mf |
| All except bumpers | Ultimaker 3 at MAVLAB | 3h | UM3_CineRat.gcode |
| Bumpers only | Ultimaker 3 at MAVLAB | 3h | UM3_CineRat_Bumpers.gcode |