[T3] Clock Question-Internal coil
Jim Adney
jadney at vwtype3.org
Sat May 21 11:29:16 PDT 2022
On 21 May 2022 at 10:50, oktype3tim at cox.net wrote:
> Regarding the original clock winding mechanisms. There is a resistor across
> the coil that, when energized, causes the clock to wind.
>
> Is the value of the resistor different between the 6V and the 12v clocks?
Maybe, but I don't know; I've never worked on a 6V clock.
> And what should the value of the resistor be?
12 V clocks have a 100 Ohm resistor. I replace them with a properly oriented
diode.
> Why-I have a clock that winds just fine on 12V but won't wind on 6V.
I'd expect the 6 V coil to have half the resistance of a 12 V coil, but with the
same number of turns. Hence, larger wire. They would need to develop the
same number of Amp-turns in order to make the same magnetic field.
--
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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