Calculated Industries 4050 v3.1, Справочное руководство

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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