Numbers
Get customized, printer-friendly rigging numbers based on your measurements using the four-step form below:
Step 1: Select rower’s skill level
One way to classify a rower’s skill level is by age. Use these guidelines to help you make the correct selection
- Youth < 14 years
- Junior 14-18 years
- Senior 19-27 years
- Master > 27 years
Step 2: Select boat size
Printer-friendly rigging numbers will open in a new window.
Sweep
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Sculling
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Step 3: How to measure
One of the most important items about rigging numbers is knowing how they were measured. Not knowing that basically makes the rigging numbers worthless. Here is how I measure rigging numbers.
| Measurement | Where Measured From |
| Oar Length | From butt of oar handle to blade tip |
| Stern Pitch | With the oarlock at the catch, mid-drive, and release |
| Outward (Lateral) Pitch | With the oarlock at mid-drive |
| Height: Oarlock | From top of seat to middle of horizontal flat (oarlock sill) |
| Height: Heel Cup | From top of seat to inside of heel cup (vertically) |
| Work-Thru | Distance along centerline from oarlock pin perpendicular to perpendicular across front stops |
| Inboard | From blade side of button to butt of oar handle |
| Spread (sweep + sculling) | From middle of oarlock pin to centerline of shell |
| Span (sculling) | From middle of one oarlock pin to middle of opposite side oarlock pin |
| Catch Angle | From oarlock pin perpendicular to oar shaft at stern end of inside arc |
| Catch Length | From oarlock perpendicular to butt of oar handle at stern end of inside arc |
Step 4: Fine tune your rigging numbers
You’ll notice that the rigging numbers are in ranges. To fine tune your ranges, do this:
- For oar and oarlock numbers: favor the right side of ranges for younger or less experienced rower(s), favor the left side of ranges for older or more experienced rower(s).
- Be consistent with your selection: if you favor the left side of a range for one dimension, favor the left side for all the dimensions.
- For female rowers: begin by favoring the right side of the ranges.
- For male rowers: begin by favoring the left side of the ranges.
- If in doubt as to what part of a range to use: be conservative; start in the middle of a range.
For more information about fine-tuning your numbers please refer to my book, The Nuts and Bolts Guide to Rigging or to the Special Report, Absolutely Maximize Your Rigging Numbers: Getting The Most From The Numbers You Use For Rigging Your Rowing Equipment.
