Table 1.

Parameters defining the shape of the bacterial cell body and flagella. The length scale for non-dimensionalization is $l^{*}=0.74\mathsf{\mu }$ m.

Description	Symbol	Value (Dimensionless)	Value (Dimensional)
Body short semi-axis	$R_1$	0.874	0.65 $\mathsf{\mu }$ m
Body aspect ratio	$\zeta =R_3/R_1$	1.50	1.50
Flagellum length	L	3.00	2.2 $\mathsf{\mu }$ m
Filament radius	r	0.067	50 nm
Helical amplitude	a	0.200	0.15 $\mathsf{\mu }$ m
Helical pitch	$\lambda$	1.00	0.74 $\mathsf{\mu }$ m
Amplitude growth factor	$k_E$	$0.333·2\pi /\lambda =2.09$	2.8 $\mathsf{\mu }$ m${}^{-1}$
Body–flagellum gap	$l_h$	$2r=0.134$	100 nm