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Calculated Industries 4065 v3.1 Pocket Reference Guide Advanced Consnruction-Math User Manual

Page 29

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P

OCKET

R

EFERENCE

G

UIDE

— 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 З 9 ч 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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