Name: Calculated Industries 4090
Brand: Calculated Industries
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POCKET REFERENCE GUIDE — 29

Common Rafter Length

Find the point-to-point length of the com-

mon rafter on a 7/12-pitched roof with a

span of 28 feet. What are the angle cuts?

KEYSTROKE DISPLAY

o o 0.

1. Enter pitch:

7 i p PTCH 7 INCH

2. Enter half the span as the run:

2 8 f ÷ 2 = 14 FEET 0 INCH

R X 14 FEET 0 INCH

3. Find the Common and cuts:

d R 16 FEET 2-1/2 INCH

d PLMB 30.25644°

d LEVL 59.74356°

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Calculated Industries 4090 Specifications

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