Here I go, coloring outside the lines again. After experimenting with some
ferrite loop sticks, my interest is peaked into making the 'mother of all
loopsticks' for a rotatable topband receiving loop.
The larger the mass, the more sensitive these little devils become. Long
length must be coupled with a large diameter. Talk about expensive! My latest
(version 5) is a collection of 120 - 5" long sticks, bundled into a mass that
fits inside a 2" PVC pipe. I got these from a guy in Lithuania. But I want to
make a bigger version. A bigger L/D. Much bigger!
Looking around the shop, I find a 6" x 48" stove pipe that would make a nice
form factor for my monster loopstick. I can also find a cement mixer. So I'm
thinking, why not make the material?
Having looked far and wide for recipes for ferrite, I can see that these little
devils are made of a magic potion -- clearly closely guarded secret recipes.
Does anybody know of a knowledge resource for making ferrite? What metals are
used? What concentration in the ceramic is required?
Ford-N0FP
ford@cmgate.com
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