In article ,
jim rozen wrote:

In article , Whunicut says...

I recently was high bidder for a NOS, 6 volt, Hobbs meter.

Gads. I have no idea what a Hobbs meter is. You got one
on this old goat. Is it an hourmeter?

Any time you want to go from 12 to 6 volts in a small
instrument (if that's what this is) then the best way
is to see what the current draw is, and use an appropriate
solid state semiconductor regulator chip, in this case it
would take in 12 volts and produce 6 volts regulated.

The sticky spot is to see how much power the regulator
will be dissipating, and if it's a lot, then to drop
some of the power in a series resistor.

Do you have any idea of the current draw?

Jim

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I think Hobbs meter winding coil's draw a good bit of current every 30
seconds or so in the wind cycle, maybe a 2 or 3 millisecond pulse.

Seems I remember then having a wide operational voltage range, like 4 to
40V or something like that... I'm talking about the old mechanical ones
here, not the newer Quartz or digital's.

Erik