Calculated Industries 4050 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

SLP 0.625

p

PTCH 7-1/2

INCH

p

PTCH 32.01°

p

%GRD 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

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

RUN 14

FEET

0

INCH

3. Find the Rise:

r

RISE 8

FEET

2

INCH

4. Find the Length of the Common rafter:

d

DIAG 16

FEET

2-1/2

INCH

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