This solves it for good!

Emperor Ump · #1 (**permalink**) Tue Jan 20, 2009, 05:49pm

Battle of the mullets...

Kevin Finnerty · #2 (**permalink**) Tue Jan 20, 2009, 06:56pm

Johnson won that too.

ozzy6900 · #3 (**permalink**) Tue Jan 20, 2009, 08:32pm

Wait! I'm confused! Does this mean that the myth of the rising fastball has been disproved?

Oh I just love stirring the pot!

justanotherblue · #4 (**permalink**) Wed Jan 21, 2009, 02:02pm

Quote:

Originally Posted by ozzy6900

Wait! I'm confused! Does this mean that the myth of the rising fastball has been disproved?

Oh I just love stirring the pot!

I've seen them rising fast balls.......in softball.....also seen a couple in baseball... when the gunslinger was draging his knuckles off the dirt with every pitch....oh wait... you meant from an overhand delivery

SAump · #5 (**permalink**) Wed Jan 21, 2009, 07:19pm

http://bjays.files.wordpress.com/200...nlocation1.gif
It was Mother's Day.

Kevin Finnerty · #6 (**permalink**) Wed Jan 21, 2009, 07:34pm

... that the previous link was relevant.

SAump · #7 (**permalink**) Wed Jan 21, 2009, 07:50pm

Quote:

Originally Posted by Kevin Finnerty

... that the previous link was relevant.

The fastballs are high.
The curve balls are low.
Gravity and spin solves it for good!

I decided to venture over to the bktball board.
"While I have you attention" caught my attention.
While I have your attention
Hope you don't mind me tagging it to this thread.
Warning: You'll never get the time back. Enjoy!

Kevin Finnerty · #8 (**permalink**) Tue Jan 20, 2009, 10:16pm

Quote:

Originally Posted by Emperor Ump

Battle of the mullets...

And then there's Rod Beck--a guy who put his millions to work to help children with catastrophic illness.

And one of the most spectacular of all of baseball's great mullets.

SanDiegoSteve · #9 (**permalink**) Thu Jan 22, 2009, 01:19am

Quote:

Originally Posted by Kevin Finnerty

And then there's Rod Beck--a guy who put his millions to work to help children with catastrophic illness.

And one of the most spectacular of all of baseball's great mullets.

May God rest his soul. I miss Shooter!

SAump · #10 (**permalink**) Sun Jan 25, 2009, 12:29pm

Quote:

Video-1 and Video-2 of a baseball striking an ash cylinder bolted to a concrete wall, taken at 1000 frames/s. These videos are best viewed with Windows Media Player. The grid in the background has a 1-inch spacing for both horizontal and vertical lines, allowing a calibration of the camera. In both cases, the incident ball has a speed of about 91 mph and a spin rate of 3000 rpm. In Video-1, the ball hits the top half of the cylinder, scatters upward, and emerges with backspin (i.e., the spin direction is unchanged). In Video-2, the ball hits the bottom half of the cylinder, scatters downward, and emerges with topspin (i.e., the spin direction is reversed). These video's and similar data are being studied to determine the relationship between the outgoing spin and the scattering angle.
http://webusers.npl.uiuc.edu/~a-nathan/pob/video.html

3000 rpm should have some effect on the pitch height over the last 3 feet.
What did you see at 91 mph? Draw your own conclusion.

Hint: Use the mouse to play/pause video.

greymule · #11 (**permalink**) Sun Jan 25, 2009, 12:57pm

The "pitch" has forward spin, like a curve. It would be nice to see those last inches on a pitch with backspin.

Does a human throw a pitch spinning at 3000 RPM? I assume a machine is "throwing" the ball. How similar is this to a throw by a human?

Interesting.

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