Is it right to say that Wright Brothers discovered Aircraft or Did Indians knew it before?

GYANPRO_ Is it right to say that Wright Brothers discovered Aircraft or Did Indians knew it before

GYANPRO_ Is it right to say that Wright Brothers discovered Aircraft or Did Indians knew it before

SHLOKA:         Atha vaimanikan lohananukramisyamah saumaka-

                        Saudalika-maurtvikascaitat sammelanadusmapah

                        Sodasadha bhavantiti te

Meaning: Now we sequence the metals for aircrafts- Thermal (Saumaka), Acidic (Soundalika) and relating to shape (Maurtvika). The aircraft technologists say that by alloying these (three metal categories) 16 varieties of heat-conducting metals come into being.

SHLOKA:         Usnambharosnaposnahanarajamlatrdviraha

                        Pancafhnognitrd bharahanassitahano

                        Garalaghnamlahano visambhara-visalyakrd

                        Dvijamitrasca vatamitrascetityadih

Meaning: These are heat bearing, heat conducting (thermal), heat proof, shining, acid-proof, toxic (weapon grade) non-malleable, fire proof, weight proof, cold-proof, poison proof (anti toxic), acid proof (alkaline), toxic (weapon grade), surgical grade, wrought metal and wind proof.

Source: Brhad-vimana-sastram, Lohadhikaranam, Maharsih Bharadvajah.

Etymology:

Saumaka= Of the moon= cool= Relating to temperature= Thermal

Saundalika= Relating to juices/acids

Maurtvika= Concerned with shape/form.

Pancha+ghna= Non malleable

Garala+ghna= Poision-proof= Anti-toxin

Usna+hana= Heat-proof

Bhara+hana=weight-proof

Sita+hana= Cold-proof

Amla+hana= Acid-proof= Alkaline

Agni+trd= Fire proof

Ghna, han, trd mean to kill, quench.

The rest are based on positive attributes

Usna+hana= Heat+ bearing

Visma+ bhara= Poision+ bearing= Toxic (weapon-grade)

Usnam+pa= Heat+ protecting= Heat conducting

Raja= Shining= white

Vi+salya+krt= Special+ cut+ Do= Surgical grade

Dvija+mitra= Twice born= Wrought metal

Vatra+mitra= Wind+ friend (wind proof)

Ancient Theory

There are many Ancient Indian shlokas and sculpture which give an evidence for the excellent planning of the people in the ancient era. The shlokas from Brahad-vimana-sastram explains about the build of aircrafts. It is portrayed in Vimana sastram that aircraft has bird like structure with light body. The metals used for the body of aircraft should be heat proof, Non malleable, Anti-toxin, Acid proof, Weight-proof, wind proof, cold proof and wrought metal. The selection of metals for aircraft should be based on the thermal resistance capacity and light weight. When the aircraft undergoes various environmental conditions the metals of aircraft should have the capacity to sustain the changes. The metals which poses the mentioned qualities will be used in Vimana nirmana. The aircraft technology also came up with an idea of mixing two or three metals to get the combined properties. The combination of metals are known as alloys. Some metals may lack certain feature but may have excellent properties needed for the aircraft. So in order to get over that disadvantage the suitable metals are combined and used.

 

 

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Modern Theory

The modern day aircraft technology also follows the same methodologies in the usage of metals for aircrafts. Right Brothers have designed the flight in a much planed manner. So to meet the design right metals have to be used. Alloys are the most used metals. Alloys are said to possess excellent features like resistance to heat, fire, cold, poison and climatic conditions. The metals should have anti rusting property to have the same brittle and shining appearance. Anti-rusting is very necessary for preventing damage of the aircraft metals.

Even a minute deviation in the design and manufacture of the aircrafts results in huge loss. The aluminium alloy is most commonly used metal alloy. The major element is aluminium and alloying elements may be copper, tin, manganese, silicon, magnesium, zinc and tin. The hardness, low weight, malleability, ductility, elasticity and fusibility is what makes and alloy fit for the aircraft manufacture.

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