{ "id": "FN-02", "project": "FLYNORTH FN-02", "revision": "V1.2 · CAD geometry register · 2026-10-16", "created": "2026-10-16", "status": "Public-data reference study / independent 2-seat concept; not construction drawings", "reference": { "title": "Pipistrel Voyager / Explorer geometry", "url": "https://www.pipistrel-aircraft.com/products/voyager/", "note": "FN-02 ใช้การจัดวางปีกสูงและ T-tail อิง Voyager ผสมขนาด Explorer: span 10.70 m / length 6.42 m / height 2.08 m / area 9.51 m² ตามที่ผู้ใช้เลือก ไม่ถือว่าเป็นขนาด Voyager ที่ผู้ผลิตยืนยัน คง 2 ที่นั่ง ถัง 55 L และเป้า MTOW <500 kg; ต้องตรวจ mass / structure / aero ใหม่" }, "sources": [ { "label": "Pipistrel Voyager / current product", "url": "https://www.pipistrel-aircraft.com/products/voyager/", "scope": "Manufacturer benchmark; checked 16 Oct 2026" }, { "label": "Pipistrel Explorer / dimensional baseline", "url": "https://www.pipistrel-aircraft.com/products/explorer/", "scope": "10.70 m span / 6.42 m length / 2.08 m height / 9.51 m² area; user-approved mixed reference" }, { "label": "Voyager / manufacturer launch specifications", "url": "https://media.pipistrel-aircraft.com/268350-new-pipistrel-voyager-brings-next-generation-training-capabilities-and-access-to-flight-schools/", "scope": "20 Jul 2026 launch; preliminary 1,389 lb MTOW and Rotax 912 ULS" }, { "label": "FAA / Airframe handbooks", "url": "https://www.faa.gov/regulations_policies/handbooks_manuals/aviation", "scope": "General metallic structure and aircraft-fabric background; not approval of the FN design" } ], "wing_layout": "High wing", "seats": 2, "target_mtow_kg_exclusive": 500, "dimensions_reference": [ [ "Wingspan", "10.7 m / Explorer manufacturer", "10.7 m / adopted concept envelope; analysis pending" ], [ "Length", "6.42 m / Explorer manufacturer", "6.42 m / adopted concept envelope; analysis pending" ], [ "Height", "2.08 m / Explorer manufacturer", "2.08 m / adopted concept envelope; analysis pending" ], [ "Wing area", "9.51 m² / Explorer manufacturer", "9.51 m² / adopted concept envelope; analysis pending" ], [ "Seats", "2", "2 side-by-side / retained brief" ], [ "MTOW", "1,389 lb ≈630 kg (launch, preliminary)", "<500 kg target / redesign required" ], [ "Main tank", "Not published in checked Voyager sources", "55 L / retained user brief; usable fuel TBD" ], [ "Landing gear", "Fixed tricycle / visual reference", "Fixed tricycle / initial design direction" ], [ "Tail", "T-tail / visual reference", "T-tail / elevated horizontal stabilizer + elevator" ] ], "performance_reference": [ [ "Power", "100 hp / Rotax 912 ULS", "Preliminary manufacturer product / launch" ], [ "Cruise at 90% power", "133 KTAS / 246 km/h", "Preliminary manufacturer product" ], [ "Maximum range", "740 nm / 1,370 km", "Preliminary; launch states IFR reserves" ], [ "Useful load", "552 lb / 251 kg", "Preliminary manufacturer product" ], [ "Ceiling", "18,000 ft / 5,486 m", "Preliminary manufacturer product" ] ], "materials": [ [ "Fuselage / cabin", "Aluminum frames + stringers + stressed sheet skin", "โครงหลักและผิวรับแรงร่วมกัน · alloy / temper / gauge / joints รอ stress sizing" ], [ "Wing / load path", "Aluminum spar + ribs + closed leading-edge D-box", "คง torsional stiffness; ห้ามแทนผิวรับแรงด้วยผ้าโดยไม่มี load path ใหม่" ], [ "Aft wing bays", "Aircraft-grade fabric / feasibility candidate", "พิจารณาเฉพาะช่องที่ไม่พึ่ง skin shear หลังตรวจ torsion, rib spacing, pressure และ flutter" ], [ "Aileron / rudder / elevator", "Aluminum skeleton + aircraft-grade fabric candidate", "ต้องกำหนด balance, tension, attachment, UV / coating และ flutter envelope" ], [ "T-tail / attachment", "Aluminum fin / stabilizer / engineered fittings", "ตรวจ bending, torsion, fatigue, control authority และ deep stall" ], [ "Cowling / fairings", "Formed aluminum / purchased non-structural parts", "ไม่มีงานผลิต carbon-composite structural shell ในแผนเริ่มต้น" ], [ "Landing gear / engine mount", "Purchased or engineered metal assemblies", "อะลูมิเนียมไม่จำเป็นต้องใช้ทุกชิ้น · alloy และ process ต้องเหมาะกับหน้าที่" ] ], "engineering_checks": [ [ "G0 / Requirements", "2 seats side-by-side · light-aircraft target <500 kg · mission and approval basis to agree" ], [ "G1 / Geometry", "3D CAD / stations / airfoil / wing loading / tail volume / prop clearance / ergonomics" ], [ "G2 / Mass & CG", "BOM mass + fasteners + fabric + coatings + paint + systems + contingency; verify loading cases" ], [ "G3 / Structure", "Maneuver / gust / landing / engine / T-tail loads; joints, buckling, fatigue, corrosion" ], [ "G4 / Aerodynamics", "Lift/drag polar and power required for new metal/fabric surface; stability, stall and cooling" ], [ "G5 / Ground evidence", "Material coupons → joint / skin / fabric panels → wing/tail test articles → complete structure" ], [ "G6 / Release", "Independent engineering review, ground/flight-test permissions and approved test plan before flight" ] ], "phases": [ [ "01 / Reference capture", "บันทึกรุ่น เอกสาร วันที่ และเงื่อนไขของแต่ละค่า · ไม่วัดจากภาพ perspective เป็นขนาดจริง" ], [ "02 / 2-seat layout", "CAD cabin / seat / baggage / engine / gear / T-tail; FN-01 ไม่ย่อ Panthera ทุกแกนด้วย scale factor เดียว" ], [ "03 / Metal architecture", "เลือก alloy/temper จาก allowables; วาง spar, frames, D-box, joints และ access panels" ], [ "04 / Fabric trials", "เลือก aircraft fabric system; ทำ coupon / attachment / tension / coating test ก่อนใช้จริง" ], [ "05 / Structural demonstrator", "สร้าง jig และ test articles เพื่อเทียบ mass / stiffness / joint behaviour กับ analysis" ], [ "06 / Integration & test", "ติดตั้งระบบและชั่ง CG; ground tests; flight tests เฉพาะหลังผ่าน review และอนุญาต" ] ], "procurement": [ [ "Aluminum / fasteners", "Material certificates, temper/traceability, sheet forming and corrosion process · RFQ pending" ], [ "Fabric system", "Aircraft-grade fabric + compatible adhesive/coating/UV system; ordinary canvas excluded · RFQ pending" ], [ "Engine / propeller", "Installed mass, mount, cooling, fuel and support; selection after power sizing · RFQ pending" ], [ "Equipment / facilities", "CAD / stress capability, drill/deburr/rivet tooling, jigs, calibrated metrology, segregated coating area" ], [ "Budget scope", "Separate engineering/NRE, tooling, test articles, prototype parts, purchased systems, labor, premises and contingency; supplier quotes required" ] ], "reference_photo": "/static/fn02/reference/pipistrel-voyager.jpg", "hero": "/static/fn02/hero-pipistrel-v1.svg", "three_views": [ { "id": "front", "label": "FRONT VIEW", "image": "/static/fn02/front-dimension-v2.svg", "alt": "FN-02 front / reference-envelope concept, two seats and T-tail", "partial": "aircraft_drawings/fn02-front.svg" }, { "id": "top", "label": "TOP VIEW", "image": "/static/fn02/top-dimension-v2.svg", "alt": "FN-02 top / reference-envelope concept, two seats and T-tail", "partial": "aircraft_drawings/fn02-top.svg" }, { "id": "side", "label": "SIDE VIEW", "image": "/static/fn02/side-dimension-v2.svg", "alt": "FN-02 side / reference-envelope concept, two seats and T-tail", "partial": "aircraft_drawings/fn02-side.svg" } ], "options": [ { "title": "TOURING", "subtitle": "2 seats / personal travel", "points": [ "Mission / baggage / range inputs to size", "Engine / propeller and fuel basis to validate" ] }, { "title": "EXPERIENCE / TRAINING", "subtitle": "Same 2-seat airframe study", "points": [ "Ground & flight discovery / training subject to operating permissions", "Maintainable cabin and access panels; no certification transfer" ] } ], "weight_rows": [ [ "Empty mass", "TBD / fresh aluminum + fabric BOM, systems and contingency" ], [ "Occupants / baggage", "2 occupants; design masses and baggage allowance to freeze" ], [ "Fuel mass", "55 × fuel density kg/L; density / unusable fuel to verify" ], [ "MTOW / CG", "Empty + occupants + baggage + fuel <500 kg target; check all loading cases" ] ], "aero_rows": [ [ "Surface / airfoil", "Reference silhouette only; airfoil, twist and drag polar not reverse-engineered from photos" ], [ "Metal / fabric effect", "Joint steps, waviness, fabric deflection and cooling drag must enter new model" ], [ "Curved wingtips", "Compact curved-tip study retained; no quantified drag saving" ], [ "T-tail", "Tail volume, stability, stall interaction and flutter need new analysis" ] ], "engine_rows": [ [ "Reference powerplant", "Rotax 912 ULS / 100 hp (Voyager benchmark)" ], [ "FN powerplant", "TBD after power-required, installed-mass and cooling study" ], [ "Propeller / installation", "Match engine, rpm, diameter, ground clearance, mount and fuel system" ] ], "fuel_rows": [ [ "FN tank capacity", "55 L main tank / user brief; ≈14.5 US gal" ], [ "Usable / unusable", "TBD / verify installation and attitudes" ], [ "Fuel burn / endurance", "TBD / new engine and drag basis; no inherited composite-aircraft curve" ] ], "range_rows": [ [ "FN cruise / range", "TBD / compute from selected powerplant, drag, usable fuel and reserves" ], [ "Reference range", "740 nm / 1,370 km / Voyager only" ], [ "360° map", "User-input scenario only; neither reference headline nor old FN baseline is preloaded" ] ], "review_note": "นี่คือการศึกษาจากข้อมูลสาธารณะและภาพอ้างอิง ยังไม่มี manufacturer CAD, internal structure, laminate schedule หรือผลทดสอบของ FN การเปลี่ยนโครงสร้างเป็นโลหะ/ผ้าต้องออกแบบ load path ใหม่ และไม่ยืนยันว่าจะเบากว่า composite", "drawing_envelope": { "span_m": 10.7, "length_m": 6.42, "height_m": 2.08, "wing_area_m2": 9.51, "basis": "Explorer published envelope adopted with Voyager-inspired layout; user approved 16 Oct 2026", "status": "Concept drawing envelope / not structurally validated or CAD released", "seats": 2 }, "component_groups": [ { "id": "fuselage", "number": 1, "name": "Fuselage / โครงลำตัว", "construction": "Frames + stringers + riveted metal skin", "checks": "Cabin / wing / tail / gear load paths; buckling, fatigue, access and CG", "group": "airframe", "cell": 0, "image": "/static/fn02/components/fuselage-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "3.0 3.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "wings", "number": 2, "name": "Wings / โครงปีก", "construction": "Metal spar + ribs + closed leading-edge D-box", "checks": "Bending, torsion, gust loads; fabric aft bays only after load-path verification", "group": "airframe", "cell": 1, "image": "/static/fn02/components/wings-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "546.0 3.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "tail", "number": 3, "name": "T-tail / ชุดแพนหาง", "construction": "Aluminum fin and stabilizer; selected fabric control surfaces", "checks": "Elevator on top; attachment loads, flutter, deep stall, trim and balance", "group": "airframe", "cell": 2, "image": "/static/fn02/components/tail-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "3.0 365.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "canopy", "number": 4, "name": "Canopy / Doors / กระจก", "construction": "Purchased formed glazing with engineered frame", "checks": "Visibility, latch, egress, support and material compatibility", "group": "airframe", "cell": 3, "image": "/static/fn02/components/canopy-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "546.0 365.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "cowling", "number": 5, "name": "Cowling / ฝาครอบเครื่อง", "construction": "Formed aluminum removable panels", "checks": "Engine clearance, cooling inlet/outlet, vibration and fire-zone review", "group": "airframe", "cell": 4, "image": "/static/fn02/components/cowling-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "3.0 727.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "mount", "number": 6, "name": "Engine Mount / แท่นเครื่อง", "construction": "Engineered metal tube/fitting assembly", "checks": "Loads, vibration, firewall interface and installation envelope", "group": "airframe", "cell": 5, "image": "/static/fn02/components/mount-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "546.0 727.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "landing-gear", "number": 7, "name": "Landing Gear / ชุดขาล้อ", "construction": "Fixed tricycle baseline / metal assemblies", "checks": "Landing/drop loads, ground clearance, attachment and steering", "group": "airframe", "cell": 6, "image": "/static/fn02/components/landing-gear-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "3.0 1089.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "wingtips", "number": 8, "name": "Curved Wingtips / ปลายปีก", "construction": "Formed metal tip study", "checks": "Tip transition, total drag, stall progression and additional root bending", "group": "airframe", "cell": 7, "image": "/static/fn02/components/wingtips-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/airframe-parts-board-v2.png", "viewport": "546.0 1089.0 537.0 356.0", "board_width": 1086, "board_height": 1448 }, { "id": "engine", "number": 9, "name": "Engine / เครื่องยนต์", "construction": "Generic light-aircraft powerplant placeholder", "checks": "Model, power, installed mass, fuel, cooling and prop compatibility pending", "group": "systems", "cell": 0, "image": "/static/fn02/components/engine-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "3.0 3 537.0 335", "board_width": 1086, "board_height": 1448 }, { "id": "propeller", "number": 10, "name": "Propeller / ใบพัด", "construction": "Supplier-selected propeller / not in-house structural composite work", "checks": "Match selected engine, rpm, diameter, clearance and vibration", "group": "systems", "cell": 1, "image": "/static/fn02/components/propeller-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "546.0 3 537.0 335", "board_width": 1086, "board_height": 1448 }, { "id": "avionics", "number": 11, "name": "Avionics / แผงเครื่องมือ", "construction": "Two-seat panel and purchased instruments", "checks": "Electrical load, visibility, interfaces, harness and installation", "group": "systems", "cell": 2, "image": "/static/fn02/components/avionics-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "3.0 344 537.0 323", "board_width": 1086, "board_height": 1448 }, { "id": "wheels-brakes", "number": 12, "name": "Wheels & Brakes / ล้อและเบรก", "construction": "Purchased assemblies / compatibility study", "checks": "Mass, tire/axle/brake ratings, heat and mounting interface", "group": "systems", "cell": 3, "image": "/static/fn02/components/wheels-brakes-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "546.0 344 537.0 323", "board_width": 1086, "board_height": 1448 }, { "id": "fairings", "number": 13, "name": "Wheel Fairings / แฟริ่งล้อ", "construction": "Formed panels or purchased non-structural fairings", "checks": "Tire clearance, bracket fatigue, drag and access", "group": "systems", "cell": 4, "image": "/static/fn02/components/fairings-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "3.0 673 537.0 340", "board_width": 1086, "board_height": 1448 }, { "id": "hardware", "number": 14, "name": "Hardware / อุปกรณ์ยึด", "construction": "Traceable aircraft rivets, bolts and engineered fittings", "checks": "Joint allowables, shear/bearing, corrosion, access and inspection", "group": "systems", "cell": 5, "image": "/static/fn02/components/hardware-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "546.0 673 537.0 340", "board_width": 1086, "board_height": 1448 }, { "id": "interior", "number": 15, "name": "Interior / เบาะและเข็มขัด", "construction": "Exactly two side-by-side seats / no rear row", "checks": "Occupant masses, seat restraint loads, ergonomics, baggage and CG", "group": "systems", "cell": 6, "image": "/static/fn02/components/interior-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "3.0 1019 537.0 426", "board_width": 1086, "board_height": 1448 }, { "id": "systems", "number": 16, "name": "Fuel / Electrical / Cooling", "construction": "Separate systems and routing study", "checks": "Usable fuel, vent/drain/fire protection, wiring and cooling evidence", "group": "systems", "cell": 7, "image": "/static/fn02/components/systems-v2.svg", "status": "Proposed FN component / not manufacturer internal design", "dimensions": "Overall reference envelope only; component-specific dimensions, material gauge and joints TBD", "board": "/static/fn02/systems-parts-board-v2.png", "viewport": "546.0 1019 537.0 426", "board_width": 1086, "board_height": 1448 } ], "exploded_image": "/static/fn02/exploded-v2.svg", "cad_geometry": { "id": "FN-02-CAD-REGISTER", "revision": "V0.1 / 2026-10-16", "units": "Metres in register; mm for CAD exchange", "release_status": "Reference-envelope study / not detailed or manufacturing CAD", "coordinate_convention": { "origin": "Proposed nose/spinner station; not OEM weight-and-balance datum", "X": "positive aft", "Y": "positive right", "Z": "positive up", "planes": "XY top / XZ side / YZ front", "note": "Ground height, fuselage reference line and aircraft weight-and-balance datum must be reconciled before station release" }, "parameters": [ { "key": "span", "label": "Wingspan b", "value": 10.7, "unit": "m", "status": "REFERENCE", "basis": "Published reference / adopted FN envelope; not demonstrated FN as-built geometry", "source_url": "https://www.pipistrel-aircraft.com/products/explorer/" }, { "key": "length", "label": "Overall length L", "value": 6.42, "unit": "m", "status": "REFERENCE", "basis": "Published reference / adopted FN envelope; not demonstrated FN as-built geometry", "source_url": "https://www.pipistrel-aircraft.com/products/explorer/" }, { "key": "height", "label": "Overall height H", "value": 2.08, "unit": "m", "status": "REFERENCE", "basis": "Published reference / adopted FN envelope; not demonstrated FN as-built geometry", "source_url": "https://www.pipistrel-aircraft.com/products/explorer/" }, { "key": "wing_area", "label": "Wing area S", "value": 9.51, "unit": "m²", "status": "REFERENCE", "basis": "Published reference / adopted FN envelope; not demonstrated FN as-built geometry", "source_url": "https://www.pipistrel-aircraft.com/products/explorer/" }, { "key": "semispan", "label": "Centerline-to-tip envelope b/2", "value": 5.35, "unit": "m", "status": "DERIVED", "basis": "b / 2; gross envelope, not exposed structural wing length", "source_url": "" }, { "key": "aspect_ratio", "label": "Aspect ratio AR", "value": 12.0389, "unit": "", "status": "DERIVED", "basis": "b² / S; uses published reference span and area conventions", "source_url": "" }, { "key": "mean_geometric_chord", "label": "Mean geometric chord S/b", "value": 0.8888, "unit": "m", "status": "DERIVED", "basis": "Area divided by span; this is NOT mean aerodynamic chord (MAC)", "source_url": "" }, { "key": "symmetry_plane", "label": "CAD symmetry plane", "value": 0, "unit": "mm / Y", "status": "CONVENTION", "basis": "Proposed FN datum; mirror geometry about Y=0, not a measured OEM dimension", "source_url": "" }, { "key": "drawing_origin", "label": "Nose / spinner reference station", "value": 0, "unit": "mm / X", "status": "CONVENTION", "basis": "Proposed CAD-only origin: X aft, Y right, Z up; height-ground datum kept separate", "source_url": "" }, { "key": "wing_incidence_root", "label": "Wing root incidence / i_w", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "Root chord เทียบ fuselage CAD reference line; geometric incidence ไม่ใช่ flight AoA · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "wing_dihedral", "label": "Wing dihedral / Γ", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "แนวยกของ main-wing reference line ใน front view ไม่รวมปลายปีกโค้ง · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "wing_quarter_chord_sweep", "label": "Quarter-chord sweep / Λc/4", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "แนว 25% chord ใน top view; อย่าใช้ leading-edge sweep แทน · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "wing_washout", "label": "Geometric washout / ε", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "i_root − i_tip; บวกหมายถึง tip incidence ต่ำกว่า root ตาม convention นี้ · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "tail_incidence", "label": "Horizontal tail incidence / i_t", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "Tail root chord เทียบ fuselage reference line; ต้องทำ trim / CG analysis · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "decalage", "label": "Wing–tail decalage / Δi", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "i_w − i_t; คำนวณเมื่อยืนยัน incidence ทั้งสองค่า · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "fin_sweep", "label": "Fin sweep", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "ต้องระบุว่าวัดที่ leading edge หรือ quarter chord · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "wingtip_cant", "label": "Wingtip cant / toe / transition", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "มุมยกปลายปีก, toe และรัศมีเปลี่ยนผิวเป็นคนละ parameter · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "engine_thrust_angles", "label": "Engine downthrust / sidethrust", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "Thrust axis เทียบ body reference และ symmetry plane · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "control_travel", "label": "Aileron / flap / elevator / rudder limits", "value": null, "unit": "deg", "status": "UNCONFIRMED", "basis": "มุมจาก neutral ถึง mechanical stops ต้องได้จาก AMM/SAMM ที่ตรงรุ่น · manufacturer rigging drawing / AMM or independent analysis required", "source_url": "" }, { "key": "root_chord", "label": "Root chord / tip chord / taper", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "Need verified planform stations; cannot recover both chords from b and S alone", "source_url": "" }, { "key": "mac", "label": "MAC and its station", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "Integrate verified chord distribution; S/b is not MAC", "source_url": "" }, { "key": "wing_station", "label": "Wing root / quarter-chord station", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "X/Z location relative to chosen datum and cabin/CG", "source_url": "" }, { "key": "tail_arm", "label": "Tail arm / stabilizer area / tail volume", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "Wing MAC and tail aerodynamic-center coordinates required", "source_url": "" }, { "key": "fuselage_stations", "label": "Fuselage cross-section stations", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "X/Y/Z sections from dimensional drawing or measured object, not perspective render", "source_url": "" }, { "key": "gear_geometry", "label": "Wheelbase / track / prop clearance", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "Loaded/unloaded gear geometry, tire radius, stroke and CG cases", "source_url": "" }, { "key": "joint_design", "label": "Spar / fastener / rib pitch / skin gauge", "value": null, "unit": "m / mm", "status": "UNCONFIRMED", "basis": "Metal structure sizing, joint allowables, buckling/fatigue and test evidence", "source_url": "" } ], "source_issues": [ { "label": "Height source conflict", "detail": "Selected Explorer product envelope H=2.08 m; historical TCDS Issue 11 (01 Mar 2022), Section D p18 lists H=1.90 m. Keep 2.08 m as selected concept envelope; reconcile configuration, datum and revision before CAD release.", "url": "https://www.pipistrel-aircraft.com/wp-content/uploads/2023/04/TCDS-EASA.A.573-issue-11.pdf" } ], "release_requirements": [ "Applicable manufacturer geometry/rigging drawings and AMM/SAMM revision", "Confirmed airfoil coordinate files, chord distribution, twist and reference axes", "Independent metal/fabric mass, CG, load, stability and flutter analysis", "Reviewed component interface-control drawings and manufacturing tolerances" ] }, "cad_data_url": "/static/fn02/cad-geometry.json", "cad_csv_url": "/static/fn02/cad-parameters.csv" }