20 Apr
1999
20 Apr
'99
5:49 p.m.
<Perhaps soft iron #2 washers would be a better choice. The local hardware
Same material as the nuts. A higer carbon steel (more remnant magnetizem)
may work but you really want small to keep the drive resonable.
Allison
20 Apr
20 Apr
6:04 p.m.
At 06:49 PM 4/20/99 -0400, you wrote:
<Perhaps soft iron #2 washers would be a better
choice. The local hardware
Same material as the nuts. A higer carbon steel (more remnant magnetizem)
may work but you really want small to keep the drive resonable.
I'm not sure I parsed this. At my local hardware store the nuts were made
of Zinc (not steel) and but the washers were made of "soft iron" which I
thought meant there was a _lower_ carbon content than "steel" washers. (The
washers are designed to be compliant whereas the nuts are quite hard)
But assuming I have something worth trying, and I've got my HP pulse
generator set up to drive a fast rise time buffer amp (so I can get a
reasonable amount of current) what else do I need to do to verify that I've
successfully "flipped" the device. (My first guess would be a garden
variety compass)
--Chuck
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