I was going to lie and say “I read the whole thread and loved it” but it goes back to 2017–so I only read a couple of pages, but it is-um- coming right along. Good work, Nick!:cool:
Hey, Nick, you really got ahead of me on this, but finally dropped back in and found your thread. Lookin good so far, to me the red is right on target! Carry on, sir!
Hall effect tachometers are routinely available, for cheap, on eBay that are rated for 10k rpm’s ( okay, actually only 9999), but far faster than the OP’s requirements, and faster than anybody I know wants to wind coils. Most automotive ignition triggers, including high-revving performance race...
Hey, Mat. Thanks for the kind words. I'm doing well, thank you, even "weller" since Friday, which was my last day ever--at work, that is! I am now an officially retired old coot/fogie/fossil/fart, et. al. So I can fly in more often on my gossamer wings, with my giant twin, um, faeirie...
Interesting experiments, Mat. You might also try to locate fine carbon black powder, to compare against the graphite.
But did I miss the discussion where Leo used copper cut out to match the cavity shapes, and held the pieces in place with what looks to me like glazier’s points, pushed into...
This sensor counter looks like a good bet: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&toolid=10001&campid=5338148343&icep_item=133110318605
Looks like it will run off a 9V battery and can handle speeds up to 320 kHz! In RPMs that’s uh, umm, well, a lot!
Glad you got the lathe. Especially if it has infinitely controllable speed or soft-start. 7000 RPMs would be a bit fast. An optical or Hall effect sensor will serve you best. You’ll be slow and cautious at first, then get impatient and go fast, and notice your counter’s missing rotations...
Nicely done, Helmut. You turned a liability into a good-looking asset. Coloring and shading is just right to camouflage the grain mismatch, but preserves just enough of the pattern to look great.
What a lovely ax, Rog. I wish I couldn’t finish as good as you can’t. (did that come out right?). I was gonna vote with the minority, for the amber knobs, glad they won out.
Wow, this one was worth tuning in for, even late! Awesome burst after a 5k, AND Phil X thrown in to boot. You’re an animal, Rog! And I’m retiring in August, and will be 70 myself then, so plenty of time after you get Dave’s built!
Man, sorry to hear that, Rick. Prayers for fast recovery and no action from that gadget. My oldest, best friend got one 3 years ago after his heart attack, and he never slowed down- strenuous elk hunts in the western US every year, he’s had no trouble with packing out 70 lb elk quarters on a...