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50 — S
HEET METAL/HVAC PRO CALC
OGEE Offset, in Millimeters
If an offset is 573 Millimeters (mm), the actual Length 2045 mm, and
the Height of the “end A” 1727 mm, calculate the Centerline Radius,
Wrapper Length, Heel Radius, Throat Radius, and Theta.
*Note: To save keystrokes, you do not have to label entries in mm.
KEYSTROKE DISPLAY
1. Enter actual Length as “x”:
o o 0.
2 0 4 5 Ç m R X 2045. MM
2. Enter offset Length as “y”:
5 7 3 Ç m r Y 573. MM
3. Enter Height of “end A” as “a”:
1 7 2 7 Ç m Ç 4 A 1727. MM
4. Calculate Centerline Radius, Wrapper Length, Heel Radius,
Throat Radius and Theta:
Ç ( RAD 1967.868 MM
(1968 MM)
( WL 2150.408 MM
(2150 MM)
( HEEL 2831.368 MM
(2831 MM)
( THRT 1104.368 MM
(1104 MM)
( THET 15.65264°
STORED
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