Edgar Henn miniature

KurtinSA

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Nov 24, 2014
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The micrometer might be nice, but I don't really use mine all that much. The calipers on the other hand are useful in all kinds of places. I own vintage motorcycles and it even helps me there. :)

Kurt
 

Ken M

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Feb 28, 2009
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Yea, it would only be good for suspension springs, not really worth a $50 expense. Good on the bikes. I sold my '88 TourGlide, couldn't ride it anymore, having trouble with the Helix clone!
 

Wayne A

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Sep 24, 2019
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Ok. I'v been thinking about polishing the fork tines. My fancy new calipers tell me these springs in this package marked .0024" are actually .0025", that's .0002" thicker than whats called for. In my mind, .0002" isn't a deal breaker, but maybe?
I always polish the fork and pin contact areas to a mirror smooth finish. Its a sliding contact point due to the two arc's the pin and fork make so smooth helps.

As Kurt was saying your run of the mill calipers lack the resolution for suspension springs but are just about a must have.

Wayne
 

Ken M

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The forks were cruddy and scored. Got them looking pretty good. Didn't think of the pin, next time. I'm getting close, it really wants to run, something dragging it down still.

I've had a dial caliper for many years, just doesn't come close to this new thing. I have a mic too, but again, doesn't come close to what's required. I think I'll pass on the new mic for nowI can use the $50 to buy another clock. I sure miss the flea markets and the $15 clocks. Maybe small ones will startup soon.
 

Ken M

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It's been running an hour! WOOHOO! Just under 360 rotation. Sure would like to get 500, but I'm happy it's running. I'll just let it go for a day before I do anything else. Putting the motion works on it.....pretty traumatic.
 

Ken M

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I think I won this one. Put the dial and hands on, running great. Running real slow, as in minutes in a half hour. I have it set to the slowest (balls expanded), so I have a long way to go. But this thing is really slow.
 

Wayne A

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Good job getting it going! Could try adjusting the pendulum to full fast to see if can be regulated.
 

Ken M

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Thanks Wayne, great satisfaction. The video of that Kern escapement helped a lot. Today I figured the entrance pallet was going to deep, so I raised it .007mm and off she went. I also polished the anchor pin while I was in there. I just went out to crank it up, it was only one minute slow, after a couple hours. I made a significant adjustment earlier, so maybe it's close. It did flutter at me once when I was messing with it, I hope it's not doing it in "secret".
 
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Ken M

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Feb 28, 2009
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Good to know. I'm almost at the slow limit on the pendulum, but there's enough meat to get it regulated. Thanks for your help. I'm looking at a old battered clock now, so more challenges ahead. Some day I'll have to tackle that eccentric nut, looking forward to it.
 

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