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1. The blades/vanes mentioned include swept rotor blade, bowed stator vane, aspirated blade, splitter blade, hollow blade, and composite blade.
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2. The blades/vanes mentioned include swept rotor blade, bowed stator vane, aspirated blade, splitter blade, hollow blade, and composite blade.
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3. Because the blade of the drill is a curve on the hyperboloid, the point angle at the blade is variable, any one point angle at the blade can not represent the blade design feature.
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4. a blade connected to said rotor hub for rotation therewith, said blade having the principal flexural axes thereof inclined from the plane of rotation of said blade when said blade has zero pitch;
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5. Depress the blade lock (B) while turning the saw spindle with the blade wrench until the blade lock engages and the blade stops rotating (Fig. 3).
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