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OpenRC Parametric Chinook

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Model information

Source
Printables
Category
Vehicles
License
Creative Commons — Attribution
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OpenRC Parametric Chinook.

Software: https://github.com/projunk/ChinookESP32

This is a parametric version of Tom Stanton's Chinook design.

I have tried to make the Chinook fly using a naze32 flight controller with both cleanflight and betaflight, but could not achieve stable flight using the PID values that seem to work successfully for other people flying a similar design.

In the end I decided to program myself the flight controller software using an esp32 development board and a mpu6050 gyro/acceleration sensor; Joop Brokkings excellent tutorials did help me greatly with this. The developed software has been included with this design. The advantage of using the esp32 was that I could use the second cpu core to run a webserver which

  1. shows the telemetry

  2. allows changing PID settings on the fly.

Finally I achieved successful flight this way.

Required printed parts:

  • BackWheelHolder (2x) (or BackWheelHolderFB)
  • FrontWheelHolder (2x) (or FrontWheelHolderFB)
  • Tire (6x)
  • Rim (2x)
  • RimWithScrewHeadHole (4x)
  • FCMount (1x)
  • FlangeBearingBracket (2x)
  • InterMidCorner (1x)
  • LeftCorner (1x)
  • RightCorner (1x)
  • MotorMount (2x)
  • ServoMount (2x)
  • LandingGearBracket (2x)
  • LandingGearBracketLid (2x)

Optional printed parts:

  • ServoMountWithBuzzerHole (1x)
  • battery mount (1x)
  • drill helper (1x)

Hardware:

  • aluminum profile (15x15)
  • length 80 mm (1x)
  • length 340 mm (1x)
  • length 30 mm (1x)
  • length 100 mm (1x)
  • flange bearing F623ZZ (2x)
  • propeller (1 CW, 1 CCW) 10x4.5 (254x114 mm)

Electronics:

  • servo:

https://nl.aliexpress.com/item/32679996711.html?spm=a2g0s.9042311.0.0.1ec64c4d6WdVg7

  • motor: (2x)

https://www.aliexpress.com/item/Racerstar-BR2212-930KV-2-4S-Brushless-Motor-For-RC-Models-Rc-Airplane/32765242161.html?spm=a2g0s.9042311.0.0.27424c4dpIsAVW

  • power distribution board: (1x)

https://www.aliexpress.com/item/PDB-XT60-Power-Distribution-Board-BEC-5V-2A-12V-0-5A-with-XT60-Plug-for-DIY/32862366031.html?spm=a2g0s.9042311.0.0.27424c4diC0N76

  • ESC (2x)

https://www.aliexpress.com/item/M-30A-30A-SimonK-ESC-4pcs-with-BEC-For-RC-Quadcotper-Helicopter/32250741238.html?spm=a2g0s.9042311.0.0.27424c4dSotUu0

https://nl.aliexpress.com/item/32864722159.html?spm=a2g0s.9042311.0.0.1ec64c4dFbKVTp

  • mpu6050 gyro/acceleration sensor:

https://nl.aliexpress.com/item/2035923736.html?spm=a2g0s.9042311.0.0.1ec64c4dbJ5mRc

Remarks:

  • Recommended materials: ABS/PETG (95% infill) for all parts except the tires in Ninjaflex (10% infill)
  • Optional part "ServoMountWithBuzzerHole " can be used instead of "ServoMount" in case one wants to add an alarm buzzer. (see photo)

RELEASE NOTES:

Changes 2 May 2021:

  • updated firmware. Lots of improvements to webservice.

Changes 4 May 2021:

  • bugfix firmware

Changes 15 May 2021:

  • moved software to github

Category: Vehicles

Tags

parametricopenrcopenrcf1thingiversechinook