Magnetic driveshaft

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Topic author
Jim Eubanks
Posts: 47
Joined: Mon Jan 07, 2019 6:04 pm
First Name: Jim
Last Name: Eubanks
Location: Powell, TN
MTFCA Number: 49847
MTFCI Number: 8340

Magnetic driveshaft

Post by Jim Eubanks » Tue Oct 01, 2019 4:55 pm

Just salvaged a driveshaft from an old rusty torque tube, had to heat the u joint and flail it a bunch to get it off. When I cleaned the shaft up, found that it had been magnetized. Anyone run into this before, guess at one time one of those junk yard magnets must have picked it up.


Henry K. Lee
Posts: 1308
Joined: Sun Jan 06, 2019 11:09 am
First Name: Henry
Last Name: Lee
Location: South Pittsburg, TN

Re: Magnetic driveshaft

Post by Henry K. Lee » Tue Oct 01, 2019 5:21 pm

That or dropped/strike towards the northern pole, Hard metals love the attraction.

Hank


BobShirleyAtlantaTx
Posts: 55
Joined: Mon Jan 07, 2019 12:44 am
First Name: Bob
Last Name: Shirley
Location: Atlanta Tx

Re: Magnetic driveshaft

Post by BobShirleyAtlantaTx » Tue Oct 01, 2019 11:10 pm

Jim, if you wish to demagnetize the shaft, you can use an armature growler. Switch it on, pull the shaft through and move it away and presto the shaft is no longer a magnet.


Topic author
Jim Eubanks
Posts: 47
Joined: Mon Jan 07, 2019 6:04 pm
First Name: Jim
Last Name: Eubanks
Location: Powell, TN
MTFCA Number: 49847
MTFCI Number: 8340

Re: Magnetic driveshaft

Post by Jim Eubanks » Wed Oct 02, 2019 4:03 pm

Bob, I ran the shaft along my growler and presto, no more magnetism.

Thanks!!!!!

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