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Author Topic: Black Mamba not hooking  (Read 8010 times)

notsohotshot

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Black Mamba not hooking
« on: November 03, 2012, 11:42:58 PM »
Has anyone else had this problem with the ball not hooking? I drilled it kinda weak anticipating a strong hook based on the numbers and strong coverstock but the ball barely moves for me. I drilled it pin over MF with CG in palm and MB just rt of TH and my specs are PAP 5.5" rt 3/4" up with speed approx 14mph and revs around 350. It seems to me the ball should be hooking quite a bit but it just skids and then rolls with very little hook. The finger and side wt are near 0 if that helps with no side hole. Any suggestions??????

 

Strider

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Re: Black Mamba not hooking
« Reply #1 on: November 04, 2012, 12:03:43 AM »
At 14 mph and 350 rpms you are really rev dominant.  Are you sure the ball isn't burning up real early?  I have a Nuts Pearl (S70 cover stock probably a little weaker than the Black Mamba's F74) and the ball has so much mid lane that it's hard to get much back end out of it.  I have it at 3000 abralon + Snake Oil and I still have a hard time getting it down lane on most shots.

notsohotshot

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Re: Black Mamba not hooking
« Reply #2 on: November 04, 2012, 12:25:39 AM »
I don't think that is the problem but can sure try taking some revs off. So far the only way I have gotten any real movement is in 2-3 game and to really come around the ball instead of up the back. It just surprised me how much it didn't hook. I have several other AMF 900 Global balls that hook plenty. I usually start with the Bank Roll drilled close to the BM and roll the ball across 15 at the arrows out to around 5 and it comes back hard.

tommyboy74

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Re: Black Mamba not hooking
« Reply #3 on: November 04, 2012, 12:29:55 AM »
Do you have it at OOB finish?  Also, how long have you had the ball?
« Last Edit: November 04, 2012, 12:32:49 AM by tommyboy74 »
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Walking E

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Re: Black Mamba not hooking
« Reply #4 on: November 04, 2012, 01:14:03 AM »
I had the strong impression that this is a very mild reacting ball - i.e. not a ball to throw coast-to-coast but more of a down-and-in ball or maybe a ball for playing a very soft belly shot. It seems better suited for oily conditions and for playing in the track area.
It sounds as if your ball is reacting exactly as my impressions would indicate.

SVstar34

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Re: Black Mamba not hooking
« Reply #5 on: November 04, 2012, 01:51:23 AM »
seems very odd if you actually are 14 mph and 350 revs, because that is on the slow side for speed and i'd say above average in the revs department...

Does the ball fit your hand correctly? that could possibly be a problem if it isnt fitting completely right.

It is a fairly strong ball, the few people around me that have 1 didnt like it until they put some polish on the surface(either lightly or full shine). Maybe you should try changing the surface a little bit and see if you get any different results

Rightycomplex

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Re: Black Mamba not hooking
« Reply #6 on: November 04, 2012, 06:35:50 AM »
You said you're at 0 side and finger? I wonder how much thumb? How deep did you go with the holes. You may have to redrill it because it doesnt sound like you had a lot of top weight to begin with. I was going to tell you to bury the fingers a bit more to raise the diff but without measuring it myself I dont want to give you any definite information if I can't visually weight it. I say that because I just dealt with a gentleman who claimed his IQ went 60 ft, weighed it, and found out he was at 0. We ended up plugging it and drilling it pin under and even then he didnt have a lot of side but the ball rolled better. My definite would be to play with the surface and bury the fingers a bit more. See if that helps, if not, then you might have to consider plugging the ball. Just my .02.
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Strapper_Squared

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Re: Black Mamba not hooking
« Reply #7 on: November 04, 2012, 08:12:23 AM »
I've had a few issues like this with balls in the past (the Yeah Baby!) comes to mind.  They only way I had had success is to sand to a course grit (say 600 grit) and polish to get nice shine.  Helps save some energy for the backends, and the underlying grit helps with reaction.  Might be worth a try before plugging or selling.

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tdub36tjt

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Re: Black Mamba not hooking
« Reply #8 on: November 04, 2012, 08:58:48 AM »
Well for starters the ball is symmetrical so not sure how you decided that the MB was to the right of the thumb. On nearly all symmetrical balls after they are drilled and spun on a determinator the MB ends up just to the left of the centerline 6 3/4" away from the low rg axis or the pin.

I would suspect with that layout you are seeing very little flare as with your PAP the pin has to be more than 6" from your axis and you probably ended up with a layout something like 80 x 6 1/4 x 40 which would make me think it isn't burning up. And if you are low tilt it would make sense that you have to really get around it to see any reaction down lane. That and the fact you say it only hooks 2nd and 3rd games makes me think you should try and add some flare or try and pull the MB out on the other side of your thumb. I would put a hole either 3/4" to the right of your thumb and pitch it 3/4" right (add flare) or put a hole 2" down from your midline on the VAL (pull MB towards the weight hole). With either hole I would try to get at least 3" deep and start small if you see an improvement just keep going bigger until you like it and it is legal. Disturbing the shape of the core is what will add flare and move the ending MB.

However, before you do that though you might want to try and polish it and make sure it isn't really burning up. I doubt that is it but it is slightly possible....

tommyboy74

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Re: Black Mamba not hooking
« Reply #9 on: November 04, 2012, 03:04:38 PM »
I would play with the surface first as others have mentioned.  One way to do it would be to sand it down to 500 and then use something like Storm Step 2 to give it some polish while keeping the underlying grit.  This can help delay the reaction downlane.

Another option with the surface would be to possibly change the grit itself if you want to keep the dull finish.  Maybe you can go something like 500-1500-2000 or something to that extent.  That can help conserve some energy for the back part of the lane.

Depending on how long you have had the ball, maybe some quality time in the oven to draw out oil could benefit you too.

If that doesn't work, then you may want to try either an x-hole or you may need to slightly change the layout in order to bring the ball to life.  The cover on the Black Mamba is a stronger cover but is going to be smoother than the Green Mamba.  It won't be the strongest ball possible, but it should give you a good amount of hook overall.
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notsohotshot

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Re: Black Mamba not hooking
« Reply #10 on: November 04, 2012, 03:42:07 PM »
Thanks for the replys so far. Will try some of them and see what happens and LYK

Schwanstuker

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Re: Black Mamba not hooking
« Reply #11 on: November 06, 2012, 08:35:04 AM »
Dump the Mamba and get a AMF Grip!

Walking E

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Re: Black Mamba not hooking
« Reply #12 on: November 06, 2012, 11:31:26 AM »
Dump the Mamba and get a AMF Grip!

I second that, but are they even available any more?

Impending Doom

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Re: Black Mamba not hooking
« Reply #13 on: November 06, 2012, 02:05:49 PM »
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Good Times Good Times

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Re: Black Mamba not hooking
« Reply #14 on: November 06, 2012, 02:11:50 PM »
notsohotshot, what are the characteristics of your house's THS ?  Are you sure you're seeing enough volume for this specific piece?
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