Current feedback Mosfet Circlotron

R19>R6.
 

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I have no experience at KadSoft Eagle, I use the simpler SprintLayout program. Translated your circuit board into this program. The numbering on the diagram corresponds to the printed circuit board.

on the simulation i have 30p, but it was a test, i think you should use 39p for start and lowering after

i have 47p in real and it is too high

what do you use as bipolar ?