I have a mag charger that charges a wico, webster mags on old engines. I have recharged some through for years.
My question can I recharge a J4 plus a H4 mag coils? Some members know what I have on charger. I have had this unit for 20+ years.
Thanks
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Magneto charging
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Magneto charging
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Re: Magneto charging
Isn't it actually the magnets rather than the coil that needs charged? I have not heard much of the H4 and J4 magnetos needing recharged.
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Re: Magneto charging
Possibly an H4, but the J4 has a magnetized armature. While I'm sure there is a machine somewhere that could re-magnetize one, most older machines likely would not. And yes, it's the magnets that get magnetized, not the coil. I have personally run across two J4 magnets where the armature had lost its magnetic attraction. They are called "permanent" magnets meaning they weren't expected to need re-magnetizing over time; however, if stored incorrectly or placed near an electrical or magnetic source, it would be possible to damage one. Those armatures were made from "alnico", which is considered a permanent magnet, since the magnetic attraction comes from the crystal alignment, and not from an outside source such as your magnetizer.
Rick Spivey
'52 Cub ("Great Personality") 148xxx
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'52 Cub ("Great Personality") 148xxx
'48 Cub with FH ("Gunny Cub") 38xxx
'57 Lambretta (a slow work in progress)
'74 Triumph TR6 (Mama's toy)
-
- Team Cub Mentor
- Posts: 4912
- Joined: Tue Jun 07, 2005 2:30 pm
- Zip Code: 46055
- Tractors Owned: -
1950 Demo,1956 w/ FH, 1959 w 59" mower,
Cub L-54 Blade,152 Plow
189 plow, LF 194 Plow, Woods 42" Mower,
Choremaster Garden tractors & Implements
Antique Gas engines - Circle of Safety: Y
- Location: IN, McCordsville
Re: Magneto charging
Thanks on all the info. Make sense.
In my line of work
" EVERYBODY GOES HOME THE NEXT MORNING"
" EVERYBODY GOES HOME THE NEXT MORNING"
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- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Magneto charging
Rick, electronics is my field of work, and the biggest danger to a permanent magnet is storing it close to a large transformer. The magnetic field it creates is quite sufficient to demagnetize even a strong magnet like the J4 armature.
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