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Weiss Cannon

Blue Rock N Power

Polyester 1.26 mm In production

Lab measurements for Weiss Cannon Blue Rock N Power, ranked against all 789 strings in the database. Every figure below is a testing-machine result at a fixed reference tension, not a playtest opinion.

Measured values

Stiffness

224lb/in

lower = softer, kinder on the arm

Tension loss

27%

lower = stays where you strung it

Energy return

89%

higher = livelier, more free power

Spin potential

11.1

higher = more spin off the string bed

Ball bite

0.654COF

higher = grabs the ball harder

Snapback

0.059COF

lower = strings slide and snap back

How it ranks against all 789 strings

Stiffness 224 lb/in · 90th pct

Stiffer than 90% of strings tested — punishingly firm — control at the cost of comfort.

Tension loss 27 % · 40th pct

Sheds more tension than 40% of strings tested.

Energy return 89 % · 53rd pct

Livelier than 53% of strings tested.

Spin potential 11.1 · 100th pct

More spin potential than 100% of strings tested — elite spin generation.

Ball bite 0.654 COF · 99th pct

Grips the ball harder than 99% of strings tested — bites the ball hard through the brush.

Snapback 0.059 COF · 0th pct

More string-on-string friction than 0% of strings tested — slides and snaps back freely.

Strings that play like this

Closest matches across stiffness, tension loss, energy return and spin potential.

Tecnifibre Razor Spin 17/1.25 96% match Signum Pro Plasma HEXtreme 16 (1.30) 96% match MSV Focus-Hex 16 (1.23) 96% match Tecnifibre Black Code 4S 16 (1.30) 95% match Solinco Revolution 16L (1.25) 95% match Solinco Hyper-G 16 95% match

More from Weiss Cannon

What these numbers mean

Stiffness · lb/in

How much the string bed resists deflection. Higher plays firmer and more controlled; lower plays softer and easier on the arm.

Tension loss · %

Share of the reference tension the string sheds under a fixed test protocol. Lower means the bed stays where you strung it for longer.

Energy return · %

Share of impact energy handed back to the ball. Higher plays livelier and more powerful.

Spin potential

Ball friction divided by string-on-string friction. Higher means better bite with a cleaner snapback, so more spin.

Ball bite · COF

String-on-ball friction. Higher grabs the ball harder through the brush.

Snapback · COF

String-on-string friction. Lower lets the mains slide and snap back into place after impact.

Compare Blue Rock N Power against 789 strings Find the right string for me