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6. It is desired to design a valve spring ofLC. engine for the following details (a) Spring load when valve is closed 80N (b)
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Load uohen valve s ofen, P10 ON Ahing spring Load when valve lel P Tmaide guidebuah diamitir, 24mm -80 N Clataics diamitu D,C-30 C5 oils N-2 Tetal no 6 -8PDN Gd 3 5=8X (100-90) (s0)1 84X103x (6)4 l26 Achie coils, N N+ 2 (Tnachive eeils) Ne 12 8 Solitotal aual 127 2 254 mm th fre F637254 45 1027 Eree Pitch the oil Nt 1027 11 12 7

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