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Table 4 Mean velocity, direction and error RMS of the airspeed for P1R2 cases

From: Development and flight-test verification of two-dimensional rotational low-airspeed sensor for small helicopters

Symbol

Mean (ASR)

Mean (AS)

Error

Diff. (Upper)

RMS (Lower)

 

\(V_\text{W}\)

\(\psi _\text{W}\)

\(V_\text{W}\)

\(\psi _\text{W}\)

\(V_\text{W}\)

\(V_\text{W}\)

\(\psi _\text{W}\)

 

[m/s]

[\(^\circ\)]

[m/s]

[\(^\circ\)]

[m/s]

[%]

[\(^\circ\)]

P1R2V2.4

2.71

3.75

2.43

– 49.5

0.280

 

53.3

     

0.926

38.2

58.6

P1R2V4.8

5.81

21.8

4.78

– 15.8

1.03

 

37.6

     

1.08

22.8

37.8

P1R2V10.4

10.4

30.0

10.4

– 1.04

0.00

 

31.0

     

0.353

33.9

31.0

P1R2V23.0

21.2

33.8

23.0

– 3.48

– 1.80

 

37.3

     

1.84

8.02

37.3

P1R2V28.2

26.5

38.8

28.2

– 0.945

– 1.70

 

39.7

     

1.83

6.48

39.7