TECHNOLOGIES
www.ginzinger.at
BACK PROTECTOR
HOMOLOGATED
TO EN 1621.2/2014 STANDARD
MEASUREMENTS
Directly from the racing world. On the track, the maximum riding performance is
ensured only when the rider is completely concentrated without worry of injury
in case of fall. Dainese has always provided its champions with the latest state
of the art in terms of safety and then transferred this technology to products
for the public at large. Back protector homologation is the final step in making
the same protectors used and tested by champs like Valentino Rossi available
to motorcycle riders everywhere.
The homologation of back protectors to EN 1621.2/2014 Standard means that
they have successfully passed a maximum impact force transmissible level
before sale. The Standard assesses protectors at two performance levels after
receiving a series of impacts from a striking force in a predetermined area.
- Level 1: limit of 24 kN per single impact, 18 kN for the average of all impacts
- Level 2: limit of 12 kN per single impact, 9 kN for the average of all impacts.
As it is not currently possible to industrially produce tailored back protectors,
back protector must be worn by people with anthropometric characteristics
lying within a certain range. A back protector is suitable for a person if its
height does not exceed the seventh cervical vertebra and if the minimum
area of the model is related to a waste shoulder height greater than or equal
to that of the person.
- 443 -
CHOOSE THE SIZE
OF A PROTECTOR CORRECTLY
COVERAGE
The choice of the correct size of a back protector, according to the standard,
is determined by the Waist-Shoulder height. This is the difference in height
between the midpoint of the shoulder and the waistline (immediately above
the hipbone). According to the Dainese standard, this measurement must
then be qualified by the correct dimension of waist strap, identified by a size
(ex: XS, S, M...). It is not correct to define the measure of the backprotector
on the basis of the height of the person, because even if the back could
have the same dimension, the legs could have a different lenght.
Coverage is the area covered by the resistant structure of the impact
protector. The larger this area is, of course, the more body is protected.
However, there are some ergonomic features which limit the maximum
dimensions of this area. In particular, the impact protector must not limit
neck or head (helmet) movements and the covered area must therefore
not exceed a certain height. In our experience, the maximum height of
the covered area corresponds to the seventh cervical vertebra, the most
projecting vertebra at the base of the neck. Though the Back Protector
standard does not fix limits to the height of the back protector, it implicitly
recommends ergonomics be respected (Directive 89/686).
- 444 -