Calculated Industries 4067 Pocket Reference Guide - Manual (Page 32)

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2. Start Basic Hip/Valley function:
h
3. Enter 8" Common Pitch:
8ie
4. Enter 12′ Run:
12fe
5. No entry for Irregular Pitch (Common Pitch used). Solve for
Hip/Valley values:
e HIP/VALLEY LNTH 18 FEET 9-1/8 INCH
e PLUMB ANGLE 25.24°
e LEVEL ANGLE 64.76°
e COMMON CHEEK ANGL 45.00°
eXaMPle: Find the Hip/Valley Rafter Lengths and Angles using an
8" Common Pitch, an 8′ Run and an Irregular Pitch of 10":