Calculated-industries 4065 v3.1 Pocket Reference Guide Advanced Consnruc Manuel d'utilisateur télécharger pdf (Page 29)

POCKET REFERENCE GUIDE — 25

Common Rafter Length

Find the point-to-point length of the

Common rafter on a 175/300 mm pitched

roof with a span of 8500 mm. What are

the angle cuts?

KEYSTROKE DISPLAY

1. Enter Pitch:

o o 0.

1 7 5 Ç 9 p PTCH 175. MM

2. Enter half the span as the run:

8 5 0 0 Ç 9 ÷ 2 = 4250. MM

R RUN 4250. MM

3. Find the Common and cuts:

d DIAG 4900. MM

d PLMB 29.86°

d LEVL 60.14°

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