Calculated Industries 4050 v3.1 Reference Manual - — 31
Manual is about: Advanced Feet-Inch-Fraction Calculator
of
52
P
OCKET
R
EFERENCE
G
UIDE
— 31
Regular Hip/Valley and Jack Rafters
A roof’s Pitch is 9/12 and half the total
Span is 6 Feet. Find the lengths of the
Common, Hip/Valley and Jack rafters
(Jack rafters at 16 Inch On-Center
spacing):
KEYSTROKE
DISPLAY
1. Find the Common rafter length:
o o
0.
6 f R
RUN 6
FEET
0
INCH
9 i p
PTCH 9
INCH
d
(Common)
DIAG 7
FEET
6
INCH
(Cont’d)
Dgm-Raft-106