Owner's manual

USER’S GUIDE —87
Common Rafter Length
If a roof has a 7/12 Pitch and a Span of 14 Feet 4 Inches, what is
the Point-to-Point length of the Common rafter (excluding the over-
hang or ridge adjustment)? What are the Plumb and Level cuts?
KEYSTROKE DISPLAY
1. Find Diagonal or Point-to-Point length of the Common rafter:
oo 0.
7ip PTCH 7 INCH
14f4i÷2= 7 FEET 2 INCH
R X7FEET 2 INCH
d R8FEET 3-9/16 INCH
2. Find Plumb and Level cuts:
d PLMB 30.25644°
d LEVL 59.74356°
Common Rafter Length — Pitch Unknown
Find the Common rafter length for a roof with a Rise of 6 Feet 11-1/2
Inches and a Run of 14 Feet 6 Inches. Solve for the Pitch in
Degrees and in Inches.
KEYSTROKE DISPLAY
Find Diagonal and Pitch:
oo 0.
6f11i1/2r Y6FEET 11-1/2 INCH
14f6iR X14FEET 6 INCH
d R16FEET 1 INCH
p PTCH 5-3/4 INCH
p /
_
Ø 25.63565°