I posted this under Hammer because there is a recent relevant post. This is a personal theory of mine, based on only what I observe, not on any known fact.
I believe that Ebonite's covers are prone to a little too much variation from ball to ball. A touch too much or too little plasticizer, maybe they cure a little too fast or too slow, I don't know. For every Black Widow (just using a popular ball as an example) that hooked off the lane or kept hooking/hitting strong for many games, I've seen just as many that were much milder or didn't act near the same after X amount of games. You just don't see this constant complaint from other manufacturers.
Remember when Brunswick was having cover issues? Classic Zones and Smokin' Infernos (was there a third one?) were given new pin colors and released as different balls (blems?) because the covers cured too fast and the balls didn't hook near as intended. I believe Ebonite has a similar problem to a lesser degree. There was a huge difference between a red pin and a green pin Classic Zone, but I've seen close to the same difference on some Ebonite/Hammer balls. I haven't seen too many Columbia or Track balls, but I haven't seen the same "problem", at least yet.
I have a Black Widow Bite that I'll use as an example. The ball was marketed as a slightly bigger version of the original Black Widow. Mine doesn't handle near the oil or have near the back end as most of the BW's I saw. I like the ball a lot on shorter PBA type patterns, but the ball didn't fit in my arsenal where I intended. My old Storm Tour Power runs circles around it on heavier patterns. Another guy in my league has a Bite that flares a ton and hooks a lot more than mine. He's got a little more hand than me and drilled his a little stronger, but the difference is night and day.
I'm not trying to start a whine fest, but I'd like to hear other's opinions. I'd also love to hear from people in the industry to see if I'm on the right track.
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