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There is evidence that boomerangs are much older. In Poland, archaeologists found a 23,000-year-old boomerang made of mammoth tusk. Īboriginal boomerangs are at least ten thousand years old. This allows the boomerang to return to the thrower if thrown correctly. These forces cause the boomerang’s path to curve in an elliptical shape. A boomerang comes back to you because the two or more wings spin to create unbalanced aerodynamic forces. When thrown correctly a returning boomerang will return to the thrower. There are many different types of boomerangs include club boomerangs, hooked boomerangs, bossed boomerangs, sword boomerangs, pegged boomerangs, cross boomerangs and lil-lil boomerangs.īoomerangs really do work. Many types of boomerang were designed for a one-way flight and then hitting and killing. Only a few types of aboriginal boomerang actually return. Aboriginal boomerangs were used for hunting game but also in warfare.Īboriginal people did invent the boomerang but it is likely it was also invented independently by other cultures.īoomerangs do not always come back. Used in warfare the high speed of the end of a rotating boomerang can puncture a skull or break bones leading to death. The Aboriginal boomerang is a projectile weapon used by aboriginals for fighting and hunting. A Boomerang needs to have a curve to allow it to spin fast and be stable. The spinning motion is vital to a boomerang’s performance. Even if the forward motion of the boomerang slows down, the speed of rotation is often enough to hold it in the air. It isn’t how fast it travels through the air that matters but how fast the blades rotate.Ī boomerang rotation is usually 8-11 times per second. In-flight, a boomerang is more like a helicopter than a plane. If the airflow is fast enough the wing lifts and held in the current. These forces respectively pull and push the wing-shaped arms upwards. When a wing of this shape travels through the air it creates a pocket of low pressure above the wing and a pocket of high pressure below it.
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The top surface is slightly convex while the underside is nearly flat. The boomerang flys due to the cross-section shape of its arms. The boomerang curve itself does not make it fly. A flat, straight boomerang tends to rotate around its long axis, rapidly flipping itself over. More Importantly, the rotation center of a straight boomerang is unstable. Other cultures abandoned the boomerang after the invention of the bow and arrow.Ī curved boomerang when thrown will rotate more swiftly than a straight boomerang. Aboriginal boomerangs have the greatest diversity of forms. What makes the Aboriginal boomerang unique is that it has continued to be useful until recent times. In fact, ancient boomerangs were in Germany, Vanuatu, Indonesia, India and the Hopi Indians in Arizona. In Poland, archaeologists found a 23,000-year-old boomerang made of mammoth tusk. Rock paintings of boomerangs in North Africa date to 9,000 years ago. Boomerangs in other culturesīoomerangs were also used in other non-aboriginal prehistoric societies. The Aboriginal boomerang is also used as a digging tool, for making fire and as a club.Ĭollectors like boomerangs that are old, unique, and rare or have elaborate designs. Collectors like boomerangs with designs far more than simple chip carved examples. Designs relate to the Dreamtime ancestors and totems. It is capable of going 200 meters compared to a throwing stick, which will only travel 60 meters.Īboriginal Boomerangs could have engravings or painted designs in ochre for ceremonial purposes. The Aboriginal boomerang has great aerodynamic properties. The majority of aboriginal returning boomerangs were for hunting birds or as toys. Some huge boomerangs were up to 2 meters long and function like clubs.
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Some boomerangs were for hunting but others were for fighting. The function of most boomerangs is to hit and kill whatever the hunter is aiming at. Aboriginals were not one group but had over 200 language groups.Īs mentioned most boomerangs were not made to return. This variation reflects the social and cultural diversity of Aboriginal people. Different boomerangs had different functions.
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Aboriginal boomerangs come in a large variety of sizes, forms, and decorations.