The thumb side, throwing it by the right
hand. (Inside aspect)
Specifications
Length:300mm, Thickness:4~6mm, Weight:60g,
Material:Bamboo and Bamboo-sheath
Flying distance:15~20m,
Right-handed(only)
Relationship of Japanese culture and bamboo
Bamboo is one of the materials
that symbolize the culture of Japan. For
example, chopsticks and basket, bamboo sword
and tea stirrer, such as building materials
of the house.
Splendor of bamboo
Bamboo is a plant to grow
faster. Until the
timber, wood needs 50 years
from planting.
However, bamboo can be
used in just about
five years. As material
to save the forest
to reduce the demand increase
of wood, bamboo
has attracted attention.
Structure
Japanese spirit of "manufacturing"
is important to the properties of materials.
Bamboo has "beauty", "strength"
and "flexibility" in this boomerang.
Unlike ordinary wood, bamboo is aligned fine
fibers of homogeneous aligned. Therefore,
it is not that for the force applied to the
vertical to the fiber, the crack like wood,
it has the flexibility to restore. In the
past, bamboo is used in the pole vault, led
to the major upgrade of the record. From
this, it is possible to know the wonderful
properties. However, in the wing that require
a smooth surface, bamboo joint is disturbed.
Therefore, in order to overcome this, it
was around the wing bamboo-sheath. Bamboo-sheath
has not only with properties smooth, but
also straight fibers in a few mm interval.
This has on the wing works to stabilize the
flow of air.
Rectangle shape wings are the image of "Japan"
(Edges were covered with bamboo-sheath).
The wing is shaped wrapped around the bamboo-sheath.
By not bend in the heat it, bamboo of this
boomerang will keep the strength and beauty
of the original.
Flight performance
It makes the ring of diameter other place
15~20 meter.
When the wind is blowing, please throw the boomerang vertically.
If you have difficulty to return, please throw it a slight angle boomerang you. In this case, the size of the circle to draw is reduced.
When to catch this boomerang,
please sandwich
it with between both hands, surely
to catch
it safely.
