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Jeff Wong's picture

Wow... you wind your own trannies? How long does something like that take?

showflash's picture

Pretty cool. I bet you have a lot of friends!

kls's picture

You cant ask friends to wind for you or with you, unfortunately no way to wind up with friends with this hoby!

kls's picture

Transformer winding requires a lot of physical labor. With a primitve winding tool like I have got, it takes about 20 to 30 hours work each. The bobin end is also custom designed PCB enables soldering coil ends directly. The coil is 14 layer interleaved with very good primary to leakage inductance ratios.

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