HackMD
FAQ / ESC tuning resources
ESC Configuration Videos
- JB/Harrell full series: https://www.youtube.com/playlist?list=PLwoDb7WF6c8kXOyPdBog1wtRcxnXMasUb
- JB/Harrell desync specific: https://www.youtube.com/watch?v=oKcyXR7Yx64 (@21:17)
- Pawel Spychalski Demag-Compensation: https://youtu.be/c94e9TCCP8Y
- Kabab micro rampup: https://www.youtube.com/watch?v=obObn1oGWmU <– read Mr.ShutterBug's comment as well!
- JB's variable PWM https://www.youtube.com/watch?v=xuQeJA4EGr8
- JB's Bluejay vid: https://youtu.be/yEDhnBUFQNI
- JB's 32bit AM32 vid: https://youtu.be/yOeVj6P9PSU
- AM32 Settings Explained playlist by "High Energy Failures": https://www.youtube.com/playlist?list=PLrxUiYCo7HwrIz1uE0aIfNT4GUgVMwc1t
- Chris Rosser BLHeli32 2021: https://www.youtube.com/watch?v=7WeHTb7aBrE
- Chris Rosser BLHeli32 2024: https://www.youtube.com/watch?v=6gv0_jTEYZM
- Chris Rosser BlueJay 2024: https://www.youtube.com/watch?v=EhYKeZfSQIw (Caveat: Bluejay devs seem to recommend 48khz, and also recommend do not set startup powers to max)
Heat
- As MOSFET switching frequency increases, so does heat generation.
- Some reports exist of too hot ESC's/Motors at 128khz PWM depending on the brand/model of the ESC/Motors.
BLHeli32 (32-bit)
BlueJay (8-bit)
- Discord: https://discord.gg/ddyzguPB5t
- https://github.com/bird-sanctuary/bluejay/releases
- Bluejay startup min/max, etc. https://github.com/bird-sanctuary/bluejay/wiki/Setup
- Bluejay config migration: https://github.com/bird-sanctuary/bluejay/wiki/Migrating-from-BLHeli_S
- Configurator: https://esc-configurator.com/
- 24khz=responsive; 96khz=extended-flight-time; 48khz is a balance.
- Some ESC/motors have issue starting up at 96. Bluejay devs recommend 48 and was considering removal of 96.
- whoop's static idle: 9%-14% recommended.
AM32 (32-bit)
- Discord: https://discord.gg/h7ddYMmEVV
- https://github.com/AlkaMotors/AM32-MultiRotor-ESC-firmware/releases
- Configurator: https://am32.ca/
- Wiki: https://wiki.am32.ca/
- Some BLHeli_32 ESC's can be flashed with AM32, but requires STLink or similar devices and bootloader unlocking.
Escape32 (32-bit)
Desyncs
- Desyncs are typically a factor of ESC settings.
- Set
Motor Timingto a some static value of personal preference. 23 is good for freestyle. Racers typically use higher values. Demag Compensationalso a factor but try static timing first, and increase Demag-Comp only as much as needed to resolve.
Racing Considerations
- Demag compensation low saves roughly 7K RPM (20%) on high kv motors. Although off versus low has minimal effect, some prefer OFF. Thanks to @FreedomDuck for this information. (Ultralight 6S 2100kv to 2150kv.)
