{
  "factory_sources": [
    "https://www.spridgets.de/downloads/Parts-1977.pdf#page=127",
    "https://www.spridgets.de/downloads/Parts-1977.pdf#page=128"
  ],
  "basis": "Exploded MD034A qualitative long chamber and cross-box tapered ends. Retain original estimated full envelopes,axes,pipe ends and supports;replace flat chamber ends with selected30mm longitudinal/45mm transverse transitions.",
  "estimated_taper_lengths_mm": {
    "longitudinal": 30,
    "transverse": 45
  },
  "section_status": "All radii,lengths,wall/neck profiles and taper stations remain unmeasured construction estimates. Inherited2.54mm profile wall subtraction is not a uniform normal shell thickness.",
  "limits": "Factory/reference chamber architecture,not owner-fitted silencer identity or measured underfloor route. Empty hollow shells have no baffles,perforated tubes,packing,catalyst substrate or verified gas/thermal/acoustic behavior. Shared OD/bore end stations explain continuity only;no fitted weld/slip joint,seal,clearance,loaded hanger,part interchange or verified removal path. Ordinary front downpipe remains an unselected branch;no catalyst is inferred absent or installed."
}