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Friday, April 16, 2021

Kereta terbang Malaysia ada pagar jaring pada kipas (propeller)? – Lawak antarabangsa

Ada sebabnya kenapa propeller, jet engine tak ada pagar jaring. Kalau boleh pasang pagar jaring, enjin jet dah lama gunakan untuk mengelak risiko burung masuk dalam enjin yang sangat tinggi dan boleh menyebabkan nahas.

Propeller drone pun tak menggunakan penutup jaring walaupun bersaiz kecil..

Penutup jaring akan menghalang inflow dan thrust..

Ini fizik asas yang diajar di sekolah..

Budak sekolah zaman sekarang ni ada banyak pertandingan inovasi yang mengajar mereka asas fizik.

Tapi ada si bangang buat mock up bodoh sekadar untuk buat syarat sebab nak jilat PM ke 7 demi untuk menghalalkan operasi nak sakau duit rakyat..

Perwaja Steel 2.0 lah ni..

Credit: Shuq

Rujukan:
https://www.nytimes.com/2009/01/22/nyregion/22engines.html

And screens would be a problem in normal operation, he and other experts said. Magdy S. Attia, an associate professor in the aerospace engineering department at Embry-Riddle Aeronautical University, in Daytona Beach, Fla., said a screen or grate in front of the engine would produce turbulence in the air behind it, and what the engine needs is a smooth flow of air. If the flow is disrupted, the compressor at the front of the engine may stall, causing the engine to lose lift.

 

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