SADDLE

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RISESPREAD22.5°45.0°
CENTER TO CENTER
Rise
in
Spread
in
Using unverified sample bender data. These specs are approximate starting points. Verify deduct, take-up, and radius against your actual bender shoe before trusting these marks.
Mark 1
10 3/4in
Mark 2 (Ctr)
16in
Mark 3
21 1/4in
Status
Outer
22.5°
Center
45.0°
Shrink
1/8 IN
Formula - assumptions
Outer angle = 22.5°, center angle = 45°
Distance outer↔center = rise / sin(outer) = 2.000 / 0.383 = 5.226 in
Shrink ≈ rise × (1 − cos(outer)) = 0.152 in

Saddle marks are spaced equally around the center bend.