The simple repair of a Lumitime electromechanical neon digital alarm clock turns into quite an adventure with many unexpected twists and turns. Will I ever get it to work? Can I possibly put it all back together? What was that thing in the motor anyway? Why don't I care if the Alarm wheels are put back correctly? Answers to all these questions and more unfold in this old-school FranLab full-length video... So get your preferred beverage, sit back, and enjoy the show!
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- Music by Fran Blanche -
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Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
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Join Team FranLab!!!! Become a patron and help support my YouTube Channel on Patreon: http://www.patreon.com/frantone
#franlab #neon #clock
- Music by Fran Blanche -
Fran on Twitter - https://twitter.com/contourcorsets
Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
FranArt Website - http://www.contourcorsets.com
Could you wire a Diode in series with the mains, so the motor initially starts in the right direction, then add a switch to short the Diode once it has started.? Assuming there is enough volts to move the motor.! Polarity would of course need to be calculated. 50/50 guess.
I know it means a slight modification, but if the switch is on the back, only you would know it was there.
David G1ZQC England U.K.
How you know to do all this fixing
Hi Fran, you probably already know this but it might perhaps be of interest to some of your viewers.
Tamura corporation is quite famous in the Audiophile community, since they made, I believe actually still makes, very high quality output transformers, mains transformers and chokes for tube audio amplifiers. For instance they made output transformers for single ended triode amps way back in the 70ies, back when almost only the Japanese and the French audiophiles even knew what a single ended triode amp was 🙂
You can tell from the comments that most watchers are helpful, engineer/geek/nerd types. ❤❤🎉🎉
Even a frozen clock is right once a day 🎉😊
I would think you could build a circuit with a solid state relay that only turns the power on when the AC sine wave crosses from negative to positive, so the motor always starts in the correct direction. Unless it matters where the motor stopped, then the only way would be to replace the spiral spring.
Great video. Did I mishear Fran say 'ratchet and paw' instead of 'pawl'? Edit: I can't believe a Japanese company used WIRE NUTS internally! Those things are rubbish in any capacity, but very surprised to find them inside a posh bit of consumer electronics.
You might have been able to hinge the front cover opon on the unbroken seal.
That crud looks like dried lubricant.
Before seeing this video I used to think that a broken clock was right twice a day. But in the case of a backwards operating broken clock, the logic holds that it would be correct four times a day.
Oh man did I love my Lumitime clock! My parents went to Japan in 1974. They returned with a black Lumitime clock and a white ceramic insulator for my insulator collection. I loved watching that crazy flower thing bloom over and over. I can recall to this day the sights, sounds, and even smell of the Lumitime clock. At some point, it stopped working and was thrown away. I wish I still had it so I could convert it from analog to digital, so to speak.
Not sure why but I found this extremely relaxing.
lumitime clocks ftw
Yeah Bin-a View
Might it have been possible to open the case without cutting the sticker, using it as a hinge?
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