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stage 4: add the winding-temperature notebook - #87

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winding-temperature-notebook
Nov 10, 2026
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aq1018 merged 1 commit into
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winding-temperature-notebook

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@aq1018 aq1018 commented Nov 10, 2026

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  • winding temperature = board NTC plus one heat node driven by the copper loss (23.2 C/W, 2.38 s, 0.102 J/C), graded on stage 3's stopped-rotor resistance reads
  • held out at one seat it reads R to 0.08 % (stop chains) and 0.16 % (locked laps), against 0.22 and 0.60 % for the NTC alone
  • under load the NTC alone reads R low by 2.0 to 3.9 % after 3 s at 0.29 to 0.48 A (3.3 to 10.7 rev/s of back-EMF speed); one node removes the bias
  • a second, slower node is likely but only its heat capacity is held by the data
  • the data grades the first 3 s of a drive from a rested winding; no plateau, cooling or second ambient, each gap listed with the capture that would close it
  • no capture of its own; result file, reads table and heat history by sitting under results/

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aq1018 merged commit 320ad38 into main Nov 10, 2026
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aq1018 deleted the winding-temperature-notebook branch November 10, 2026 07:35
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