----- Original Message ----- From: Robert Mueller <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 31, 2001 12:56 AM Subject: Re: [Cameramakers] 120 Takeup winders wanted
> Several is a different story! Why not make one. A simple design I have > seen depends on some bearing balls which run on little ramps. There is a > drum and a disk inside it. The ramps are cut into the edge of the > disk. For one direction of turning the balls roll up the ramps until they > jam against the inside of the drum which is then turned. For rotation in > the other direction the balls run down the ramp and bump a steep slope > (vertical wall!) and so no climbing or jamming occurs. These would be I've been thinking about something like this, but am a little daunted by the miniscule work that it might involve. > quite easy to make in the quantity you want. A ratchet would be a good > alternative and I believe you can buy the wheels if you do not want to > bother cutting them. I got online last night trying to find ratchet gears, but couldn't. I tried Berg and Global Devices, and someone else, but no luck. Seems like they should be sort of common. Thanks to everyone for your input on this. Dwight _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
