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Magnetic Camshaft

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wally

Well-Known Member
Joined
Mar 31, 2004
Messages
932
Location
southwest TN.
With all of my engine pieces lying around on my bench waiting for the
rest of the parts to arrive, I noticed the camshaft was magnetic. I
picked it up and metal things stuck to it. I didn't think that was a
good thing. Not having to a degassing coil, here is what I did.

I knew a degassing coil is just coil with an alternating magnetic
field to "erase" any residual magnetism in things like airplane wings
around compass flux valves and old TV screens. But, I did have an
old induction electric motor. It was an old 1 hp, 220v but I guess most
any of them would work if the armature hole was large enough. I took the
endbells off, took the armature out and taped the inside so it would not
scratch the camshaft. I plugged it in and poked the cam slowly in and out a few times.

Not magnetic any more.
Wally
 
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