mixer-01 FAIL

Sealed magnetic-drive paddle mixer for water from sources/mixer-01-spec.md (authoritative): a D50 x 25 cylindrical polypropylene housing with an axial D12 inlet tube in the lid, a radial D10 outlet tube in the side wall and a fixed D6 pin, a four-blade D40 acetal paddle impeller spinning on the pin, a purchased D30 x 40 motor body under the floor (it drives the impeller through the floor by a magn

clip play housing (modelled) impeller (modelled) motor (purchased) water (derived, fluid)

gates

[A] parts_pass	PASS
[A] bom_complete	PASS
[A] joint_fidelity	PASS
[A] clearances	PASS
[A] motion_clear	PASS
[A] fluid_domain	PASS
[B] export_agreement	PASS
[B] performance	PASS
[B] conservation	PASS
[B] refinement	FAIL
[C] source_hygiene	PASS
[C] boundaries_complete	PASS
[C] provenance	PASS
[C] evidence_separation	PASS

observables

id	status	value ± u_numerical	mesh-resolved	case
pressureRiseCfd	ok	3914.7 ± 1108.8 Pa	no	design
impellerTorque	ok	0.0045357 ± 0.0011278 N m	no	design
pressureRiseEuler	ok	2141.5 Pa	-	design
eulerHeadIdeal	ok	0.62506 m	-	design
waterVolume	ok	52425 mm3	-

A value its mesh ladder does not resolve is not evidence of performance; report.md gives each prediction's validation basis.