strom
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Perghh menarik..dapat sebijik letak kat ex5 aku memang cun ekjos ni..
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Ok dorang buat cover baru mcm ni sebab nak kurangkan bunyi bising katanya sewaktu kapal terbang tarik pickup nak berlepas..dikatakan juga bila dapat kurangkan bunyi dorang dapat juga jimatkan minyak sekali..
paid
The serrated edges are called chevrons for the back the engine exhaust nozzle. The chevrons reduce jet blast noise by controlling the way the air mixes after passing through and around the engine.
The acoustic liners and chevrons are such effective noise suppressors that several hundred pounds of sound insulation may be eliminated from the fuselage. Less weight translates to greater operational efficiency for airlines.
Sumber lengkap paten di sini http://www.google.com/patents/US6360528
Ok dorang buat cover baru mcm ni sebab nak kurangkan bunyi bising katanya sewaktu kapal terbang tarik pickup nak berlepas..dikatakan juga bila dapat kurangkan bunyi dorang dapat juga jimatkan minyak sekali..
The serrated edges are called chevrons for the back the engine exhaust nozzle. The chevrons reduce jet blast noise by controlling the way the air mixes after passing through and around the engine.
The acoustic liners and chevrons are such effective noise suppressors that several hundred pounds of sound insulation may be eliminated from the fuselage. Less weight translates to greater operational efficiency for airlines.
Sumber lengkap paten di sini http://www.google.com/patents/US6360528