Note:
With faired motorcycles, strong eddy currents occur at the edges of
the wind shadow. These may signicantly reduce the aeroacoustic
performance of the helmet. The motorcycle fairing should be adjusted
so that the turbulence created does not reach the bottom surface of
the helmet.
aeroacousitcally non-critical area
aeroacoustically critical area
aeroacousitcally non-critical area
Turbulators
The patented turbulators on the top of the face shield
also optimise the aeroacoustic properties when riding
and prevent acoustic disturbances in the form of
whistling sounds that can be created by smooth and
straight edges.
6. AERODYNAMICS
All SCHUBERTH motorcycle and racing sports helmets are developed and
improved in SCHUBERTH’s own wind tunnel under conditions dened
with scientic precision. The E1 is designed especially for the touring riding
position and does not move around in the airow. Even at higher speeds, the
E1 generates almost no lift. Additional features of the E1 include improved
air resistance and directional stability. Bueting* is signicantly reduced on
standard motorcycles as well.
* Shaking of the helmet as the air ows around it.
Note:
Please note that the strong eddy currents that can occur as a result of
the fairing on faired motorcycles may have a signicant eect on the
aerodynamic characteristics of a helmet.
7. AEROACOUSTICS
Various features developed in SCHUBERTH’s wind tunnel make the helmet
notably quiet as far as aeroacoustics are concerned, while providing optimi-
sed hearing capability when riding. This enhances concentration, especially
at high speeds.
Note:
Aeroacoustic values may vary according to the type of motorcycle,
fairing design, seat position and physical size of the rider.
Caution:
As a result of the aeroacoustic optimisation of the helmet (and the
lower wind noise inside the helmet that comes with it), your actual
speed can easily be underestimated. Please do not rely on your sense
of hearing to estimate your road speed - always check it using your
speedometer.
C. THE HELMET
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