Author Topic: Leverage line? (Read 2708 times)

jensm · « **on:** March 22, 2004, 11:15:39 AM »

What is the leverage line on a bowling ball?

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Regards,

jensm

charlest · « **Reply #1 on:** March 23, 2004, 07:26:57 AM »

Hunh? Where have you seen this phrase referenced?
Leverage, as far as I know, is positioning of the pin with respect to the bowler's PAP (axis point) at 3 3/8" distance; that is not placed on any ball. I'd love to hear if someone has defined this phrase.
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"Just because you can do something does not mean you should do it."

livespive · « **Reply #2 on:** March 23, 2004, 07:35:08 AM »

IT could be the arc that you can create
by plotting all of the leverage points
on the ball.
ie you can have leverage above the fingers or
below. That arc(line) would show these different
location.

Not saying that this is the definition, but I see
something similar in a bowling magizine that I have.
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Eric T. Spivey, P.E.
Visionary Test Staff Member

jensm · « **Reply #3 on:** March 23, 2004, 07:40:38 AM »

I saw it in a review:

http://www.ballreviews.com/Reviews/Reviews.asp?BallID=499&ManufacterID=11&ReviewID=20558

Since the reviewer is from Buddies I thought this might be a pro-shop term. Is that similar to what you are suggesting, livespive?

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Regards,

jensm

jensm · « **Reply #4 on:** March 23, 2004, 07:44:09 AM »

I messaged the reviewer. I had forgotten I could do that...

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Regards,

jensm

livespive · « **Reply #5 on:** March 23, 2004, 07:58:47 AM »

quote:
I saw it in a review:

http://www.ballreviews.com/Reviews/Reviews.asp?BallID=499&ManufacterID=11&ReviewID=20558

Since the reviewer is from Buddies I thought this might be a pro-shop term. Is that similar to what you are suggesting, livespive?

I don't think so.
I think he it actually talking about his VAL
Vertical axis line I read the review and the RAD marking
on the storm balls is the Mass Bias. IF you are trying to get
strong rolls you put the MB on your VAL.

I would be curious to know if that is what he meant

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Regards,

jensm

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Eric T. Spivey, P.E.
Visionary Test Staff Member

jensm · « **Reply #6 on:** March 24, 2004, 02:13:29 AM »

Got it from Chris at Buddies. Thanks Chris!

Start at your vertical axis line. Measure 3 3/8 back towards your grip and draw a line parallel to your grip line and the vertical axis line and there's your leverage line.

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Regards,

jensm

charlest · « **Reply #7 on:** March 24, 2004, 07:30:38 AM »

But not every point on that line is 3 3/8" from your PAP!
Livespive's description is more what I would think of as the leverage "arc", where every point on it is a valid "leverage" distance from your PAP. Thus, every point on that arc is a valid pin placement option to maximize the flare potential and other characteristics of the core of the ball.
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"Just because you can do something does not mean you should do it."

jensm · « **Reply #8 on:** March 25, 2004, 01:28:00 AM »

The leverage line is a good line to place the MB, according to Chris. Turns out I have a TPC Warrior layed out that way. Learned something there.
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Regards,

jensm

Author Topic: Leverage line? (Read 2708 times)

jensm

Leverage line?

charlest

Re: Leverage line?

livespive

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jensm

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jensm

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livespive

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jensm

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charlest

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jensm

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