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Fig. 15. Behavioural data and maximum velocity estimates for flight derived from
high-speed video analysis and a numerical model on force balance in flying
fruit flies, respectively. Distributions of horizontal (A) and turning (B)
velocities were derived in a stationary environment and during optomotor
stimulation (N=131 flies). The means and 95% quantiles of 20 data
bins (bin width, 10 mm path radius) are plotted in red and blue, respectively.
The 95% quantile fairly describes the upper border of the data distribution.
The black lines in C and D represent the model estimates based on the four
maximum total flight force values mentioned in the Results. The model values
were calculated assuming no change in the fly's vertical position. Red and
blue in C and D are re-plotted from A and B, respectively. Dotted lines
indicate the diameter of the inner cylinder (70 mm).
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