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Hi all, Eric here. Just thought I'd show and tell you some neat zoetrope related stuff. Our Turntable-Ice Cream Carton model's two speeds (33 and 45 rpm) work out to fixed frame rates of 6.66~ and 9 fps, respectively. That means at the faster, smoother 45 rpm rate you get 1 an 1/3 seconds on animation out of each 12 frame strip, and at the slower 33 (which is actually 33 and 1/3 rpm) you get 1.8 seconds. Keep in mind when making your zoetrope strips that our zoetrope spins clockwise so your frames will move sequentially from right to left, not left to right. If you ever happen to be using a zoetrope again that has a different, but fixed rpm (like say one made from a small barrel and a 78rpm record player) the equation is this:
(RPM/60)ƒ=fps
ƒ Standing for total number of frames on your strip (ours are twelve). You can then calculate the number of seconds afforded at a given speed by dividing the total number of frame by the fps (ƒ/fps). For the sake of illustration 45rpm:
(45/60)12=9
12/9=1.3333...
Now, enough of all that, here is a link to an ad Sony made featuring the largest zoetrope in the history of forever, the Bravia-Drome:
http://www.youtube.com/watch?v=HFvYI5q-Bl4&feature=fvw
and here's another one and two of them making the thing:
http://www.youtube.com/watch?v=rCltdyiLyIc
http://www.youtube.com/watch?v=we2tce9dklI&NR=1
Força!
The entire point of these ads, and indeed an important, seemingly simple point about animation in film that we can all learn from the zoetrope is this: Faster Frame Rate=Smoother Motion. I realize that might seem pretty obvious, but hey, they built a ten tonne flashing thingamabob in Italy to prove that point.
I have some other links, but they are of totally non zoetrope related nature, so I'll bring up at a later time... Yep. See ya later!"
