Calculated Industries 4065 v3.0 - Manual (Page 73)

72 — C ONSTRUCTION M ASTER ® P RO / T RIG / D ESKTOP
Rake-Wall – No Base
Find each stud size in a rake-wall with a peak (rise) of 4 feet, and a
length (run) of 8 feet. Use 16 inches as your spacing.
Note: The wall has no base.
KEYSTROKE DISPLAY
1. Enter rise and run and display o.c. spacing:
o o 0.
4 f r RISE 4 FEET 0 INCH
8 f R RUN 8 FEET 0 INCH
® 5 * STORED OC 16 INCH
*If 16 inch is not displayed, enter 1 6 ß 5 .
2. Find stud lengths:
Ç r (R/Wall) RWOC STORED 16 INCH
r RW 1 3 FEET 4 INCH
r RW 2 2 FEET 8 INCH
r RW 3 2 FEET 0 INCH
r RW 4 1 FEET 4 INCH
r RW 5 0 FEET 8 INCH
r BASE 0 FEET 0 INCH
3. Find Rake-Wall angle of incline:
r RW 26.57°
Note: By setting the Rake “Ascend” Preference (see Preference Settings on page
90), you may view rake-wall stud lengths from smallest to largest size.
Note: You can also solve if you only know the rise and pitch, run and pitch, or diagonal
and pitch. Simply enter the known values via
p , r , R , or d keys, similar to
Step #1 above, then solve for rake-wall stud lengths, as seen in Step #2.
4065UG-E-B 6/9/04 1:50 PM Page 72