SPECIFICATION SHEET
Specifications are model-year and configuration dependent. We display only sourced values. Unknown values are explicitly marked and should not be inferred from newer bows of the same name.
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Ross Cardiac 31
2008–2009 · Compound
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Ross Cardiac 31 specifications & model years
2008–2009 · Compound · Year-by-year source table imported
Manufacturer model indexed; exact configuration-specific specifications require entry.
- Axle-to-axle
- 31 "
- Brace height
- Varies by version — see table
- Draw length
- 25-30 "
- Draw weight
- Varies by version — see table
- Advertised IBO speed
- 315 fps
- Mass weight
- 4.1 lbs
- Let-off
- Varies by version — see table
| Year / version | Brace height | Axle-to-axle | Draw length | Draw weight | IBO speed | Mass weight | Let-off |
|---|---|---|---|---|---|---|---|
| 2009 | 7.25 " | 31 " | 25-30 " | 40-70 lbs | 315 fps | 4.1 lbs | 80% |
| 2008 | 7.19 " | 31 " | 25-30 " | 50-70 lbs | 315 fps | 4.1 lbs | 65% or 80% |
Historical specifications can differ by year and configuration. A secondary archive is not independent manufacturer verification. Missing specifications are not zero.