Slayer's AA battery core.
Slayer hit the "Jackpot" with his solar light 1.5 AA, but "Lidmotor" couldn't get his to work. AA permeability is a hit and miss proposition. Inductance is an indicator of permeability; The higher the inductance the higher the permeability.
The "Flyback output" of Slayer's Joule Thief is more a function of coil inductance and core permeability then input. Selecting a high perm AA battery by testing, then winding a fat coil around it like Slayer did, should be able to push the simple AA LED magnet oscillator over unity with little problem.
The mechanical oscillator can have a springy portion of the bulgy coil left over on one end to oscillate from the magnet underneath.
Slayer hit the "Jackpot" with his solar light 1.5 AA, but "Lidmotor" couldn't get his to work. AA permeability is a hit and miss proposition. Inductance is an indicator of permeability; The higher the inductance the higher the permeability.
The "Flyback output" of Slayer's Joule Thief is more a function of coil inductance and core permeability then input. Selecting a high perm AA battery by testing, then winding a fat coil around it like Slayer did, should be able to push the simple AA LED magnet oscillator over unity with little problem.
The mechanical oscillator can have a springy portion of the bulgy coil left over on one end to oscillate from the magnet underneath.

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