Head to head
IsoSpeed V18 19 (1.12) vs Solinco Barb Wire 17 (1.20)
V18 19 (1.12) leads on 5 of 6 measurements. The widest gap is string friction, where V18 19 (1.12) is 24 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.
-
V18 19 (1.12)279th
Barb Wire 17 (1.20)299th
-
V18 19 (1.12)359th
Barb Wire 17 (1.20)441st
-
V18 19 (1.12)433rd
Barb Wire 17 (1.20)361st
-
V18 19 (1.12)401st
Barb Wire 17 (1.20)506th
-
V18 19 (1.12)534th
Barb Wire 17 (1.20)564th
-
V18 19 (1.12)104th
Barb Wire 17 (1.20)552nd
-
V18 19 (1.12)411th
Barb Wire 17 (1.20)499th
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 V18 19 (1.12) at 52 lb
String Barb Wire 17 (1.20) at 50.2 lb 22.8 kg
Coming from Barb Wire 17 (1.20) at 52 lb
String V18 19 (1.12) at 53.8 lb 24.4 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.
V18 19 (1.12) mains / Barb Wire 17 (1.20) crosses
Barb Wire 17 (1.20) mains / V18 19 (1.12) 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.
V18 19 (1.12)
~20 hours of play
Barb Wire 17 (1.20)
~19 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| IsoSpeed V18 19 (1.12) Polyester | 19 | find | 180 | 40 | 87 | 5.1 | 0.483 | 0.094 |
| Solinco Barb Wire 17 (1.20) Polyester | 17 | $11.99 | 186 | 43 | 86 | 4.9 | 0.557 | 0.113 |
Add a third string V18 19 (1.12) in full Barb Wire 17 (1.20) in full