OldTools Archive
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262498 | Ed Minch <ruby1638@a...> | 2017‑06‑18 | Calipers |
I found an intersting caliper in the accumulation: https://www.flickr.com/photos/ruby1638/35341445546/in/album-72157685104211466/ Ed Minch |
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262499 | William Ghio <bghio@m...> | 2017‑06‑19 | Re: Calipers |
> On Jun 18, 2017, at 8:51 AM, Ed Minch |
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262517 | Michael Parrish <michaelparrish@o...> | 2017‑06‑21 | Re: Calipers |
Is there any functional difference between the round and flat leg style calipers? Michael |
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262518 | John Ruth <johnrruth@h...> | 2017‑06‑21 | Re: Calipers |
Michael, For me, the difference comes at the end of the job when you go to wipe down the dividers to put them away. The round-leg style cleans up just a little bit easier. Starrett calls, or used to call, the higher-priced round-leg models "Toolmaker's Calipers," to distinguish them from those made for mere mortal machinists. Perhaps they are easier on the fingers if you wield them all day. John Ruth ________________________________ From: OldTools |
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262521 | Thomas Conroy | 2017‑06‑21 | Re: Calipers |
Ed Minch wrote: I found an intersting caliper in the accumulation: https://www.flickr.com/photos/ruby1638/35341445546/in/album-72157685104211466/ Speed nut. I believe they have been a no-cost-difference option on all Starrett spring dividers and calipers for over a century. I've also seen English dividers with the same design. I'm surprised that you only have the one; I'd guess that half of my dividers have speed nuts. I too love them, they really do make readjusting the dividers faster and easier than the simple nuts. On the other hand, I have at least friend I respect who hates them, and says that they never hold. I think, though, that she has never figured out how they work and doesn't close the speed nuts properly before starting to turn them. Myself, I see no advantage to the plain form. Tom Conroy Berkeley |
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262524 | Thomas Conroy | 2017‑06‑21 | Re: Calipers |
Michael Parrish asked: "Is there any functional difference between the round and flat leg style calipers?" The screw thread of the round-leg ones is finer than that of the Fay and Yankee. It makes them distinctly slower in use. That's why I prefer the Fay (the square- legged ones where the screw goes through the leg). I don't need the extra precision of the finer screw. Tom Conroy |
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