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Author Topic: Pickup vs Dead Weight  (Read 6737 times)

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tim2000s

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Re: Pickup vs Dead Weight
« Reply #15 on: December 20, 2011, 09:05:18 AM »

Your weight range of 2lb9oz to 2lb13oz is a reasonable range though Tim I believe

Question regarding the 3lber... Being slow on the ball would be caused by the weight of the bat being lifted on the back lift but what if the bat was already lifted???... Does the weight help with downward speed as we all know heavier objects fall faster than lighter objects???
In answer to your first question, the bat was already lifted. I was still too slow as I still have to move the bat to the ball.

In answer to your second question, I can only assume you have failed every Physics exam that you have ever taken, with a statement like that...
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Number4

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Re: Pickup vs Dead Weight
« Reply #16 on: December 20, 2011, 09:10:04 AM »

In answer to your first question, the bat was already lifted. I was still too slow as I still have to move the bat to the ball.

In answer to your second question, I can only assume you have failed every Physics exam that you have ever taken, with a statement like that...

Considering we don't live in a vacuum I thought it was pretty fair...Is the heavier more or less dense as well or more dense
« Last Edit: December 20, 2011, 09:15:50 AM by Number4 »
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Buzz

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Re: Pickup vs Dead Weight
« Reply #17 on: December 20, 2011, 09:12:24 AM »

as we all know heavier objects fall faster than lighter objects???

err - gravity is the same for all objects!!
try dropping a cricket bat and a cricket ball from the same height at the same time - call it a little Tuesday experiment.
« Last Edit: December 20, 2011, 09:14:43 AM by Buzz »
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Number4

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Re: Pickup vs Dead Weight
« Reply #18 on: December 20, 2011, 09:16:42 AM »

err - gravity is the same for all objects!!
try dropping a cricket bat and a cricket ball from the same height at the same time - call it a little Tuesday experiment.

Does wind resistance not come into the equation Buzz?
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Number4

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Re: Pickup vs Dead Weight
« Reply #19 on: December 20, 2011, 09:27:13 AM »

In answer to your first question, the bat was already lifted. I was still too slow as I still have to move the bat to the ball.

In answer to your second question, I can only assume you have failed every Physics exam that you have ever taken, with a statement like that...

Ok so I failed physics...lol...

But what causes the obvious late shot play... If the bat is already raised then surely it should come down at the same rate maybe???...
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Buzz

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Re: Pickup vs Dead Weight
« Reply #20 on: December 20, 2011, 09:30:54 AM »

Does wind resistance not come into the equation Buzz?

not when the bat is is starting around waist height.

But what causes the obvious late shot play... If the bat is already raised then surely it should come down at the same rate maybe???...

the issue isn't the bat coming down it is being able to control the bat and get it to move in the direction you want it too.
Have a look how late the stig was with the 3lbs Icon on the recent bat test - it was fine with a gentle half volly, but he missed loads of shots with it - because he was late.
It is the first bat in this sequence
« Last Edit: December 20, 2011, 09:36:25 AM by Buzz »
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Tom

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Re: Pickup vs Dead Weight
« Reply #21 on: December 20, 2011, 09:31:19 AM »

The whole, I have a 2lb 13oz but it picks up like a 2lb 11oz doesn't make sense to me. Does that mean it picks up like a 2lb 11oz which picks up well, or one which picks up like a log?

Pickup and deadweight are a different thing, both of which are important to me when I'm choosing a bat. But deadweight is the first thing I /asklook for in a shop or when ordering from a batmaker direct.
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Kulli

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Re: Pickup vs Dead Weight
« Reply #22 on: December 20, 2011, 09:41:21 AM »

The whole, I have a 2lb 13oz but it picks up like a 2lb 11oz doesn't make sense to me. Does that mean it picks up like a 2lb 11oz which picks up well, or one which picks up like a log?

Pickup and deadweight are a different thing, both of which are important to me when I'm choosing a bat. But deadweight is the first thing I /asklook for in a shop or when ordering from a batmaker direct.

yeah, I've always been confused by the picks up like XlbOz. Given all bats on here pick up lighter than their deadweight suggests how do people ever do the comparison!
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Number4

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Re: Pickup vs Dead Weight
« Reply #23 on: December 20, 2011, 09:44:58 AM »

The whole, I have a 2lb 13oz but it picks up like a 2lb 11oz doesn't make sense to me. Does that mean it picks up like a 2lb 11oz which picks up well, or one which picks up like a log?

Pickup and deadweight are a different thing, both of which are important to me when I'm choosing a bat. But deadweight is the first thing I /asklook for in a shop or when ordering from a batmaker direct.

I do agree Tom but what I see alot on the forum is people ordering bats at say 2lb9oz and they come back at 2lb11oz so sell on or send back, which unless they do pick up like a log, I think is ridiculous as an extra grip can add as much as 2oz's. Now if you weigh the bat its too heavy for you...but the pickup has improved

I think for the average cricketer like us we put far too much importance on 1 or 2 oz's
« Last Edit: December 20, 2011, 09:57:07 AM by Number4 »
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tim2000s

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Re: Pickup vs Dead Weight
« Reply #24 on: December 20, 2011, 09:46:55 AM »

Ok so I failed physics...lol...

But what causes the obvious late shot play... If the bat is already raised then surely it should come down at the same rate maybe???...
you are misunderstanding how the system works. Gravity affects all bats equally, but gravity on its own is not enough to get your bat to the ball in time to hit it where you want it. To do this you need gravity + additional force. The additional force is you.

From the physics, Force = mass x acceleration.

Force is the same for all the bats you as an individual will use as you have a fintie amount of it, therefore the two things that could vary are the mass of the bat or the acceleration of the bat in the direction you apply the force. For a given force, the greater the mass, the slower the acceleration will be and therefore the more time it will take to get the bat to the right place.

Gravity is a constant, so although it helps, you still need more force for a heavier bat.

Does wind resistance not come into the equation Buzz?

And not when the two objects you are comparing have the same surface area and therefore will suffer the same wind resistance... as in two bats of different weights.
« Last Edit: December 20, 2011, 09:48:53 AM by tim2000s »
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Buzz

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Re: Pickup vs Dead Weight
« Reply #25 on: December 20, 2011, 09:51:32 AM »

yes you are probably right - but one or two ounces can become 3 or 4 relatively easily and that will have an impact on your range of shots and getting tennis elbow... if the bat is too heavy.
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Number4

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Re: Pickup vs Dead Weight
« Reply #26 on: December 20, 2011, 09:56:02 AM »

you are misunderstanding how the system works. Gravity affects all bats equally, but gravity on its own is not enough to get your bat to the ball in time to hit it where you want it. To do this you need gravity + additional force. The additional force is you.

From the physics, Force = mass x acceleration.

Force is the same for all the bats you as an individual will use as you have a fintie amount of it, therefore the two things that could vary are the mass of the bat or the acceleration of the bat in the direction you apply the force. For a given force, the greater the mass, the slower the acceleration will be and therefore the more time it will take to get the bat to the right place.

Gravity is a constant, so although it helps, you still need more force for a heavier bat.

And not when the two objects you are comparing have the same surface area and therefore will suffer the same wind resistance... as in two bats of different weights.

So... Would a counter balance on the handle for instance have any effect ?
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Buzz

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Re: Pickup vs Dead Weight
« Reply #27 on: December 20, 2011, 09:58:42 AM »

So... Would a counter balance on the handle for instance have any effect ?
yes it would make the bat even heavier.
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Number4

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Re: Pickup vs Dead Weight
« Reply #28 on: December 20, 2011, 10:07:36 AM »

yes it would make the bat even heavier.

Extremely good observation Buzz well done.... 1 Gold Star

I have noticed alot of players here in Australia are gripping the bat right down the bottom of the handle with hands very close together... Would using this grip with addition to a counter balance on the handle help using bigger, heavier bats that guys seem to be using more these days... The hands in this setup would act a little like a fulcrum with the bat being the lever
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norbs

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Re: Pickup vs Dead Weight
« Reply #29 on: December 20, 2011, 10:16:45 AM »

You need to take into account mass moment of inertia e.g. the period of a pendulum

If the bat is end weighted it will swing faster but feel heavier pickup wise. It is horse for courses, "Ugly Betty" was specifically designed for this when it was done back in March 2009.

1-2oz shouldn't make a huge amount of difference but that really depends on where, how you bat, the speeds you face and also the shape of your bat [with regards to volume distribution]

What people forget is that pickup is a small % of your whole bat swing, I cant think of many that look at the whole thing and try to understand it.... []



« Last Edit: December 20, 2011, 10:27:50 AM by norbs »
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