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Mechanical: the fan flange and the flange seal enter development - #345

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IIchukissII merged 1 commit into
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mech/e0012-duct-seal-fan
Sep 12, 2026
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IIchukissII merged 1 commit into
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mech/e0012-duct-seal-fan

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Three STEP sources join project/mechanical/, named as spec/E0012-R-specification.md §4 names the parts.

DA1.stp is the printed fan flange: Ø 110 face on the §5 pattern, Ø 71.2 bore, the 614 NHH's 50 mm hole pitch and Ø 64 opening.

SL1-petg.stp and SL1-tpu.stp are the flange seal in two pieces — a PETG ring of Ø 82 over Ø 70 and 6 mm, and a TPU O-ring of Ø 5 cord on a Ø 86 circle. §5's gasket line reads one flat TPU part of Ø 96 over Ø 71.2 and 2 mm, so the specification and the source no longer agree; the correction waits on the combination.

The parts carry no identifier, per ADR-0032 d8 and ADR-0017 d5.

DA1 is the printed fan flange: Ø 110 face, Ø 71.2 bore, the 614 NHH's
50 mm hole pitch and Ø 64 opening.
SL1 is a two-piece seal, a PETG ring of Ø 82 over Ø 70 and 6 mm and a
TPU O-ring of Ø 5 cord on a Ø 86 circle; the §5 gasket line still reads
one flat TPU part.
Names follow spec/E0012-R-specification.md §4, ADR-0032 d8.

Signed-off-by: IIchukissII <133657307+IIchukissII@users.noreply.github.com>
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IIchukissII merged commit 7a314fc into main Sep 12, 2026
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IIchukissII deleted the mech/e0012-duct-seal-fan branch September 12, 2026 18:27
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