[time-nuts] OT - DC-10 gyros
lists at rtty.us
Wed Mar 27 20:50:08 EDT 2013
For that kind of power, I'd dig out an audio transformer and drive it with something like an LM-380.
On Mar 27, 2013, at 6:59 PM, Bill Ezell <wje at quackers.net> wrote:
> I neglected to mention that. The DC resistance of the motor windings is roughly 200 ohms. I estimate the power draw is < 2 watts. Haven't measured the inductance.
> I probably could just use some FETs and build a simple class-B amp. The sine wave doesn't have to be absolutely pure. Frequency stability (at least, in a real application) is more important, since the gyro response depends upon the rotational speed of the wheel. Not that I'm going to actually use it for anything other than just getting it working. :)
> On 03/27/2013 6:21 PM, time-nuts-request at febo.com wrote:
>> For "thumbsized" gyros, the power-drain is probably very slight.
> Bill Ezell
> They said 'Windows or better'
> so I used Linux.
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