If you are looking at a Rotogrip ball the neptune is your ball.. especially if you play up the boards and don't swing it alot.. The neptune will hold the line quite well.
On super dry the ball just holds and doesn't hook in the heads and the roll is very smooth.. get some oil in the heads and mids with a backend and the ball has a pretty snappy backend..
I guess that all depends on the drill and your rotation.
It definately doesn't like oil and will not hook in it , unless you have a ton of hand.
I have only used my neptune a handful of times but the times I have, it has scored well for me.. 10 in a row once on super dry lanes right up the 10 board.. was holding the line and getting to the pocket and crushing the pocket.. Another time it allowed me to play on dry lanes in a tourney when no one else could keep it on the right side..
The ball holds and hits super hard...
My drill is 5 1/2 pin to pap.. with the pin up above the bridge..
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16-17 mph,350 rpm,PAP 5 1/2 x 3/8up, HighGame 300 x 3, High Series 782
Book Average 215 / 205,PBA Xperience ave180
Edited on 5/26/2009 6:05 PM