Dan, If the cost is within reason I would be interested. I want to make an 8x10 fld camera and a wood rack and pinion would fit the bill. It would also be a good addition to the monorail. Let me know the details as you get them. Phil http://www.philsan.com
Dan Rhoades wrote: > I was wondering in anyone would be interested in a template/jig to be > able to shape and cut a rack and pinion out of wood. I'm working with > a engineer with a good CNC metal shop to build a jig system for > cutting the pinion and rack by hand using files and chisels. I think > African Blackwood, Cocobolo, Hard Maple or other hard stable woods > would be great for gearing since there isn't a lot of pressure on the > gear teeth. The design we are working is based on hardened steel > runners in which you would place the piece of wood in between two > jigs, clamp the wood tight, drill the center hole using a predrilled > hole in the steel that would guide the bit straight, and then cut and > file each tooth. The rack will be a similar design but won't need the > center hole. Now, I'm going to build one for myself since I like > having rack and pinion focusing on my cameras and a wood system is so > much cooler than adding metal to the system. My friend (Kirk Kovel of > Kovel Precision Machine in Colorado Springs) can build the system > cheaper in production than one at a time so if others want this type > of system we can all benefit from a cheaper price. He is also great > since he knows that this is just a hobby and none of us are out to > make money doing this so he charges a reasonable price. I have no > idea at this time what the cost per unit would be since more units > will bring down the price, but the price would be at cost. My current > camera is using a 16 tooth system and is quite stable with no stress > on the gear teeth. I think a 32 or even a 64 tooth system would be > quite reasonable and workable but I want to see what any other > interested parties would like. The other size requirements we need to > work out amongst ourselves is the size of the pinion and the length of > the rack. My current system has the pinion at a 2" diameter and the > rack at 16" long and that seems to work well. Alright, let's see if > anyone is interested and we'll work out the details and see if anyone > has good ideas to make this system work. Dan > Rhoadeswww.rhoadescameras.bizland.com _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
