pocket reference guide
Pocket RefeRence Guide — 27
Note: ToreturntheWelder’sGaptothe
default1/8”,press  toresetyour
calculatorbacktodefaultvalues.
Rolling Offset – Known Bend Angle
Find the center-to-center travel for a rolling 
pipe offset with a 4” Roll and a 24” Offset.
KEYSTROKE  DISPLAY
    ALL CLEArEd
1.EnterOffset:
2 4      OFST 24 INCH
2.Enterbendangle:
4 5    /
_
Ø 45.00º
3.EntertheRollandcalculatethepipelength:
4      (Roll) LNTH 34-7/16 INCH
Continuepressingthe keytoviewall
relatedvalues.
Rolling Offset – Unknown Bend Angle
Find the center-to-center travel for a rolling 
pipe offset with a 6-1/2” Roll, a 17” Offset, and 
an advance of 28”. The bend angle is unknown. 
KEYSTROKE  DISPLAY
    ALL CLEArEd
(cont'd)
1.SelectStainlessSteel:
    MATL S.StEEL
2.EnterPipeSize:
6     40 SIZE 6 INCH
3.Enter0forWelder'sGap:
     (Welder'sGap)  GAP 0 INCH
4.EnterOffset:
1     
OFST 10 INCH
5.EnterRun:
1 2      RUN 12 INCH
6.Findthepipelength:
  TRAV 15-5/8 INCH
  CUT 9-1/8 INCH
  TO 3-1/4 INCH
  GAP 0 INCH
  FIT° 39.81°
  IARC 3-15/16 INCH
  CARC 6-1/4 INCH
  OARC 8-9/16 INCH
The cut length for the pipe is 9 and 1/8 
inches and bend angle is 39.81°. Included 
in the outputs are the arc lengths to be used 
to cut your butt weld elbow to the calculated 
bend angle. These are inner arc length of 3 
and 15/16 inches, center arc length of 6 and 
1/4 inches, and outer arc length of 8 and 9/16 
inches.
(cont'd)
KEYSTROKE  DISPLAY










