Status: concept packet
<!-- SPDX-License-Identifier: CC-BY-4.0 --> --- family: membranophone subfamily: single-headed cylindrical drum stack scale: pentatonic target_pitches: drum-1: A2 # 110.00 Hz drum-2: C3 # 130.81 Hz drum-3: E3 # 164.81 Hz drum-4: G3 # 196.00 Hz drum-5: A3 # 220.00 Hz geometry: drum-1: { od_mm: 300, height_mm: 180, head_diam_mm: 300 } drum-2: { od_mm: 250, height_mm: 160, head_diam_mm: 250 } drum-3: { od_mm: 200, height_mm: 140, head_diam_mm: 200 } drum-4: { od_mm: 150, height_mm: 120, head_diam_mm: 150 } drum-5: { od_mm: 100, height_mm: 100, head_diam_mm: 100 } materials: shell: cold-rolled steel shell_thickness_mm: 1.2 head: synthetic mylar (Remo or Evans coated, 7-10 mil) pole: 25 mm OD stainless tube, 1.5 mm wall base: 380 mm steel plate, 6 mm tuning_mechanism: snare-style external lug ring with 6 tension rods per drum acoustic_intent: pentatonic ascending tom array with metal-shell snap and short sustain ---
Live interactive acoustic model (Wolfram Cloud, Public-Execute). Drag the sliders; every value is computed from estimate placeholders — pending measurement, not fabrication authority.




Concept renders — not fabrication authority.