N.A.C.A. iFeclmical Itemorandum No. 343 Figs. 6,7 & 8 … Fig.6 Velocity against the valve lift 1.5 2.0 2.5 3.0 h/b Fig.7 Angle of deflection of flov/ I against the valve lift .8 .6 M. .4 .2 0 n Fig.8 Coefficient of contraction |j, = k/m against n
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