Head to head
MSV Hepta-Twist 17 vs Y-Tex Quadro Twist 16L
Quadro Twist 16L leads on 5 of 6 measurements. The widest gap is string friction, where Quadro Twist 16L is 30 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.
Measured, side by side
Bars are percentile against all 791 strings, and the marked side is the one that measures better, which is not always the one you want. A firmer bed is worse for your elbow and better for your control, and no measurement knows which of those you came for.
Which one wins, by problem
Each string's standing on the site's rankings, out of every measured string in the database. This is where a comparison stops being arithmetic and starts being a decision.
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Hepta-Twist 17184th
Quadro Twist 16L152nd
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Hepta-Twist 17465th
Quadro Twist 16L409th
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Hepta-Twist 17319th
Quadro Twist 16L353rd
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Hepta-Twist 17590th
Quadro Twist 16L526th
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Hepta-Twist 17694th
Quadro Twist 16L673rd
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Hepta-Twist 17166th
Quadro Twist 16L132nd
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Hepta-Twist 17597th
Quadro Twist 16L534th
Swapping between them: what tension?
Bed stiffness is published at one reference tension, so the only honest conversion is to scale it. These are starting points from 52 lb, not prescriptions. The calculator takes your own tension.
Coming from Hepta-Twist 17 at 52 lb
String Quadro Twist 16L at 53.5 lb 24.3 kg
Coming from Quadro Twist 16L at 52 lb
String Hepta-Twist 17 at 50.1 lb 22.7 kg
Hybrid: what if you used both?
Estimated, not measured. No hybrid combination has been tested as a bed. These figures are the two strings' own lab measurements weighted by how much of the bed each one actually is. Treat them as a guide to which way a pairing moves, never as lab data.
Hepta-Twist 17 mains / Quadro Twist 16L crosses
Quadro Twist 16L mains / Hepta-Twist 17 crosses
Which goes dead first?
Estimated from tension loss, which is the only thing the database measures about ageing. This is when the bed stops playing the way you strung it, not when the string breaks.
Hepta-Twist 17
~14 hours of play
Quadro Twist 16L
~14 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| MSV Hepta-Twist 17 Polyester | 17 | find | 181 | 50 | 84 | 5.7 | 0.482 | 0.085 |
| Y-Tex Quadro Twist 16L Polyester | 16L | find | 178 | 49 | 85 | 6.2 | 0.425 | 0.069 |
Add a third string Hepta-Twist 17 in full Quadro Twist 16L in full