Props
Choosing and Balancing FPV Props
Props are the most replaced part on any FPV build. Choosing the right pitch, blade count, and material — then balancing them correctly — has a direct effect on efficiency, noise, and video smoothness.
PID Tuning Basics for Cinematic FPV
Betaflight PID
PID tuning controls how your quad responds to stick input and disturbances. Getting it right is the difference between locked-in, smooth cinema footage and an oscillating, bouncy mess.
oscillations on throttle releaseprop washmotors running hotmushy yaw response
Try the PID Simulator - drag P, I and D and watch a live step-response scope react before you read on.
What PIDs Do
P (Proportional) corrects current error. Too high = oscillations at rest. Too low = mushy, slow response.
I (Integral) corrects accumulated error over time. Too high = slow wobble after fast moves. Too low = drift in windy conditions.
D (Derivative) dampens the rate of change. Too high = motors get hot, prop wash. Too low = overshoot on quick flips.
Starting Point
Use Betaflight's default PIDs as a baseline on a 5" 2306 2450kV build. Run a test hover and look for oscillations.
Prop Wash
Prop wash on quick direction changes is usually a D-term problem. Raise D in small steps (2–3 points at a time) until it cleans up, then check motor temps after a full pack.
Motor Temperature Check
Motors should be warm but touchable after a 2-minute hover. Hot = too much D or P. Cold and oscillating = too little.
Tools
- Betaflight Configurator blackbox analyser
- PID Toolbox (free, cross-platform)
- Drone Racing Simulator for initial tuning without risk
#pid#betaflight#tuning#prop-wash#cinematic