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|The No1 cause of death in a motorcycle accident is
a HEAD injury, the second is a CHEST injury.
IISafety of hit-air is verified
1. Overview of the test
...A drop test employing a crash-test biofidelic dummy was carried out to
verify the performance and effectiveness of airbag jackets ("ABJ")
for motorcyclists. Drop impacts were measured with an ABJ worn or not worn,
and the latter case of the dummy not wearing an ABJ served as comparison
2. Date and place of the test
...The test was conducted on October 9 and 10, 2008 at the Sub-System test
room in the safety research building of JARI in Japan.
3. Test Apparatus
...As the testing biofidelic dummy, a Hybird-3 AM50 model (hereafter "HY-3"
or "test dummy") designed for frontal collision tests was employed.
HY-3 had a body representing a U.S. average-sized adult male and was equipped
with sensors built in its head, chest and other major body parts to measure
crash impacts for the prediction of human body injury upon collision. Accordingly,
HY-3 dummies simulate various human body characteristics including the
shapes of the body parts, the distribution of body mass and motion of the
joints. Each HY-3 stands 175cm tall and 78.3kg in weight. The test dummy
had underwear on regardless of wearing or not wearing an ABJ. Figure I
shows the appearance of the HY-3.
...3.2. Measuring Equipment
...Electrical measurements adopted in the present test to evaluate impacts
on HY-3. A data acquisition system shows the appearance of the drop impact
onboard measuring system, DIS-3000, employed in the present test. The DIS-3000
collects and transmits impact data from sensors to a personal computer
which coverts the supplied data into physical quantity data.
...Additionally, a high-speed video camera was used to perform optical measurement
of HY-3's behavior during each drop. The filming speed of the camera was
set at 500 frames per second. A high speed video camera employed in the
..3.3. Collision Deck
...In a free drop of HY-3, the impacts on its torso parts such as the chest
and the back would be presumably moderated due to the landing of the limbs
simultaneously with the torso. The test was therefore designed to exclude
the effect of the limbs by making only the chest and back parts of HY-3
to fall onto a smaller deck having a rigid surface and measuring 400mm
in length and 350mm in width.
|..REPORT from accident survivors
|..from Mr. H , Shinagawa Tokyo, Japan
II ..I have been riding scooters since I was a schoolboy - for about 35 years.
They are convenient, but what I am afraid of is the possibility of falling
down. Even if I am careful, sometimes an accident may happen on a wet or
frozen road or on a sandy road. So as soon as I saw a motorcycle airbag,
I bought one. About one year later, on a Sunday afternoon, rounding a curve
near my home, a car stopped abruptly in front of me and I had scarcely
put on the brake when I was thrown off the scooter .
and flying through the air. My airbag vest inflated instantly and covered
my neck, chest and back completely before I touched down on the road. I
did not feel a shock and after the air came out of the airbag, I took it
off and I did not feel any pain on my body. Policemen came around and were
surprised that I was not hurt thanks to the airbag jacket. I replaced an
air-tube, and wear it whenever I ride on a scooter. I really feel that
motorcycle riders especially motorcycle policemen, postmen and motorbike
delivery service men should use the Eggparka to reduce the death rate of
|..from Mr. K , Hayama Kanagawa, Japan
o doubt that I would have I commute 27.5 km every day on a Suzuki Skywave 250 and had an accident
but suffered only a slight injury because I wore an Eggparka. A policeman
watching my accident by chance was impressed by the effectiveness of the
..................The speed was about 100 km per hour and it inflated fully while I was in
the air and no shock was felt on the neck, body and head. After landing,
the upper half of my body was facing upward and I felt that I was sliding
on the soft mat. Without the Eggparka, I have no doubt that I would have
suffered a fatal wound and I am very grateful.