AMF: Green Mamba

July 4th, 2012  |  Published in Ball Reviews

55 Hook 14.5 Length 15 Breakpoint Shape

Manufacturer’s Intent: “The Green Mamba features the SRC (self-righting core) for the first time in an AMF release,” says Eric Thomas. “The SRC is paired with the F74 cover. The F74 shell helps the Green Mamba bite through heavier oil conditions; provides a strong, defined hook with continuation, and makes it the perfect complement to the Black Mamba [April 2012].”

Core Design: The SRC asymmetric core was first used by 900 Global. It’s now AMF’s turn to reap the benefits of this early revving, smooth-motion core shape. The RG is low at 2.48, while the differential is beefy at .054. The intermediate diff is strong at .020. Strong drillings can produce nearly 6 inches of track flare.

Coverstock: AMF’s F74 reactive cover is colored in medium green and ivory. The factory surface is sanded with the NEAT system at 4000 grit. Oil traction is above average, as is response time off friction. The Ra level tests at medium levels, which is best for medium-heavy to heavier oil volumes.

Test Results: The Green Mamba’s strong asymmetric core and aggressive coverstock combine to produce one of AMF’s strongest balls to date, even at its 4000-grit finish. When compared to a like-drilled Black Mamba, the Green Mamba hooked a similar amount but slightly later and more angularly. When sanded with the same surface as the Black Mamba (1500 grit), the new ball hooked 3 to 4 boards more with similar length and breakpoint shape. Overall, both balls will work well in the heavy stuff, but their motion shapes are different. Polishing either ball reduced hook three to five boards and gave us better match-ups for slower ball speeds and on lesser oil amounts.

When to Use: We used the Green Mamba with success on fresh THS and heavier PBA Sport shots where traction was a necessity. On the THS, we enjoyed the ball’s ability to blend out the side-to-side wet/dry characteristics. On heavier Sport shots where traction and a controlled move off the pattern were needed, we were rewarded in spades. We even drilled one with a 3-inch pin distance near the ring finger and a 6-inch weight hole from the pin. This layout opened up both THS and Sport patterns, and was easy to stay with throughout the transition.

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