User Manual

72 — C

ONSTRUCTION

ASTER

/ 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

, or

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