All, I've got a pinion from a G50/50 that I'm going to use as a conversation piece on my desk.
I have 2 questions.
1 Does anyone know what the threads on the end of the pinion are? It's from a G50/50. I think it maybe a 993 tranny. It seems to be 30mm I think it may be a 1.25 thread pitch. I counted about 7 threads per 10mm, but I think the way I counted may have been off and maybe it was supposed to be 8threads/10mm which would give me 1.25.
2 I'd like to have a base created that I could screw the threaded end into that would stand it up. I was thinking about 8" or 20cm in diameter for stability and proportion and either 20 or 25mm thick and round (the threads are about 18mm so 20 mm would probably be the min thickness). The plan was to make it Al or steel. I went to emachineshop.com and created the drawing and picked their cheapest Al and a CNC mill as the machine, and even with the most basic design the part was $235 shipped. With a slightly more complex design for looks the price was almost $300. Yowza. Is this price way out of range or am I just going to have to scrap this project until I can make the thing myself.
the pinion (much bigger than I expected)
My more elaborate, decorative design for a base
When I saw how expensive the above design was I removed the 6 holes and the recessed portion on the bottom. So for a round disk with one threaded hole in the center and one beveled edge, the cost was ~$235. The pinion is at least 10 lbs and is about 15" long, so I think I need a base that's at least 6" across, and 8 would probably be better.
So, does anyone here think that either emachineshops price is way out of line or know of a way to have something like this made much much cheaper? (I'm not looking for handouts this time)
Thanks for any ideas that you may have.