#1 03-05-2006, 02:12 PM 6bmike Senior Member Join Date: Jan 2005 Location: Southern New Jersey Posts: 1,605 Endless belt Spending time on my favorite baseball instructional swing forum Batspeed.com and found this: http://www.maths.tcd.ie/~plynch/Swin...ependulum.html You can restart it but if you watch the first drop you will see a constent hand swing (the middle point) and a accelerated end point. Pretty cool- that is the endless belt effect. 6bmike View Public Profile Send a private message to 6bmike Find all posts by 6bmike