In this age of litigation over stupid stuff, the manual probably weighs 2 pounds, 1.9 of which are pages of disclaimers and safety warnings so that they can't be sued by some pillock who got a booboo on their pinky finger from a spinning CD. Dateline NBC will probably run a sensational horror piece about people having limbs severed by this anyway, and will modify it to spin the disc at 10,000rpm just to make sure they get the result they want...
How about an improvised weapon? Sharpen the edge of a CD, maybe put some serrations on there. Or fashion something similar but deadlier out of a mini CD with a sharpened metal normal-CD-sized rim attached? Hours of fun for all the family!
On the rotation speed thing: the *entire* CD spins at 500rpm while playing at the start of the CD (in the center) and 200rpm when playing right at the end of a full 74/78 minutes (the outer edge of the disc), or somewhere in between the two depending on how far toward the end of the disc playback has reached. That way the surface speed passing by the laser is always constant. Though a CD spinning at two speeds at the same time would be quite a thing to behold, preferably from behind a sheet of plexiglass or similar. :)
Register
Lawsuits, weapons and the rotation thing
In this age of litigation over stupid stuff, the manual probably weighs 2 pounds, 1.9 of which are pages of disclaimers and safety warnings so that they can't be sued by some pillock who got a booboo on their pinky finger from a spinning CD. Dateline NBC will probably run a sensational horror piece about people having limbs severed by this anyway, and will modify it to spin the disc at 10,000rpm just to make sure they get the result they want...
How about an improvised weapon? Sharpen the edge of a CD, maybe put some serrations on there. Or fashion something similar but deadlier out of a mini CD with a sharpened metal normal-CD-sized rim attached? Hours of fun for all the family!
On the rotation speed thing: the *entire* CD spins at 500rpm while playing at the start of the CD (in the center) and 200rpm when playing right at the end of a full 74/78 minutes (the outer edge of the disc), or somewhere in between the two depending on how far toward the end of the disc playback has reached. That way the surface speed passing by the laser is always constant. Though a CD spinning at two speeds at the same time would be quite a thing to behold, preferably from behind a sheet of plexiglass or similar. :)