Pitot tube
Miniature airspeed sensor
for RC plane & UAV
full description
Brass tube
mp3v5004dp & mcp3428
- Resolution: 0.2041 Pa/LSB
- Range: [0 836] Pa ($\approx 100km/h $)
Static sensor noise
- 90 min log @ 100Hz, indoor, still
- Standard Dev : 0.5 Pa
Flight tests
Pressure - Speed
$P_{diff} = \frac{1}{2}\rho v^2$
$v = \sqrt{\frac{2}{\rho} * P_{diff}}$
with $\rho = 1.16 $
results
| $\underbrace{v_{pitot}-v_{wind}^{p}-v_{gps}}_{error}$ | m/s | km/h |
|---|---|---|
| mean | 0.017 | 0.06 |
| standard deviation | 0.74 | 2.6 |
with wind:
- 2.6 m/s
- from 101° (east)
page with further details
flight trace
connecting (fish line protection)
