Calculated Industries 4054 User Manual

Page 34

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background image

P

OCKET

R

EFERENCE

G

UIDE

— 30

Converting Slope

Find the Pitch in Inches, Pitch Degrees,
and Percent Grade if the Pitch Ratio/Slope
is 0.625:

KEYSTROKE

DISPLAY

o o

0.

• 6 2 5 Ç p

DECL 0.625

p

PEND 7-1/2

PULG

p

PEND 32.01°

p

PND% 62.5

Common Rafter Length

Find the Point-to-Point Length of the
Common rafter on a 7/12-Pitched roof with
a Span of 28 Feet:

KEYSTROKE

DISPLAY

1. Enter Pitch:

o o

0.

7 i p

PEND 7

PULG

2. Enter half the Span as the Run:

2 8 f ÷ 2 =

14

PIES

0

PULG

R

RECR 14

PIES

0

PULG

3. Find the Rise:

r

ALT 8

PIES

2

PULG

4. Find the Length of the Common rafter:

d

DIAG 16

PIES

2-1/2

PULG

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