observation · Voltage Intensifier Circuit · computed
Scotchn 2026-10-05 bifilar readings imply k = 1.16 (impossible): series-aiding 129.3 mH exceeds the 119.8 mH k=1 ceiling; meter artifact, not yet resolved
- Bench — Scotchn, Discord #neuralstan20-testing 2026-10-05. UU nanocrystalline core with single Kapton shims, 10T 0.85 mm primary, 220T 0.36 mm copper bifilar. As→Af 3.9 Ω / 29.5 mH; Bs→Bf 3.9 Ω / 30.4 mH; As→Af→Bs→Bf (series-aiding) 129.3 mH. LCR test frequency not yet stated.
- Derived — M = (129.3 − 59.9)/2 = 34.7 mH, k = 34.7/√(29.5·30.4) = 1.16. Ceiling at k = 1 is 119.8 mH, so the series reading is ~8% high. The ratio of about 4× confirms aiding phasing and tight coupling.
- Candidate causes — (1) proximity to self-resonance. Series-aiding puts ~V/2 across every adjacent A–B turn pair, so L_app = L/(1 − (f/f_srf)²) and an 8% excess means f_srf ≈ 3.7× test f (C_eff ≈ 155 pF at a 10 kHz test, 1.6 pF at 100 kHz). (2) Nanocrystalline µ rising with test H, since 440T gives 2× H at the same meter current.
- Tests proposed — repeat at the lowest LCR frequency, take a series-opposing reading (M = (L_aid − L_opp)/4), measure A–B capacitance and insulation, and vary the test level.
- Impact — with 3.97 nF, f = 7.30 kHz (119.8 mH) vs 7.02 kHz (129.3 mH). Half-period 68.5–71.2 µs when the cap rings against the full series chain.
Basis
- Recorded
- Published
- 5 Oct 2026
- Stanbot
- v3
- Source Ref
- Scotchn bench LCR readings, Discord #neuralstan20-testing 2026-10-05; vic_calc expression
- Notebook Id
- 3476
scotchn bifilar coupling mutual-inductance lcr self-resonance