{"id":1681,"name":"Prandtl-D","manufacturer":"","type":"drone","category":"drone","capabilities":[],"specifications":{},"certifications":[],"countries":[],"price_min":0.0,"price_max":0.0,"currency":"EUR","image_url":"https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Prandtl-D_No._2_during_an_early_flight_%28ED13-0279-54%29.jpg/1280px-Prandtl-D_No._2_during_an_early_flight_%28ED13-0279-54%29.jpg","source_url":"https://en.wikipedia.org/wiki/Prandtl-D","efficiency_vs_human":1.0,"status":"active","created_at":"2026-06-05T10:44:53.770618+00:00","instruction_set":"[]","capability_tags":"[\"aerial_inspection\", \"surveying\", \"mapping\", \"aerial_photography\", \"monitoring\"]","utrp_version":"0.1","capex_eur":0.0,"lifetime_hours":0.0,"energy_kwh_per_hour":0.0,"maintenance_eur_per_hour":0.0,"data_maturity":"sourced","operational_readiness":0.0,"availability_state":"unknown","real_time_location":null,"reliability_score":0.5,"provider_ownership":null,"maintenance_state":"unknown","execution_history_count":0,"passport_valid":0,"passport_updated_at":null,"link_status":"live","last_verified_at":"2026-07-20T18:15:18.090576+00:00","link_http_code":"200","real_description":"The Prandtl-D was a series of unmanned experimental glider-aircraft developed by NASA under aerodynamicist Albion Bowers, designed to minimize drag and maximize aerodynamic efficiency while remaining stable and controllable.","last_fetched_at":"2026-07-16 06:10:43","content_hash":"015f51a55f40ae230312abc2402b04fd","sourced_data":"{\"description\": \"The Prandtl-D was a series of unmanned experimental glider-aircraft developed by NASA under aerodynamicist Albion Bowers, designed to minimize drag and maximize aerodynamic efficiency while remaining stable and controllable.\", \"price_eur\": null, \"is_current_product\": false, \"key_specs\": [\"Tailless flying wing configuration\", \"12.5-foot wingspan (first two subscale models)\", \"Prandtl-D No.3: 25 ft wingspan, 28 lbs weight, 18 kt top airspeed, 220 ft maximum altitude\", \"Carbon fiber, fiberglass and foam construction\"]}","submitted_by":null,"submit_contact":null,"rent_note":null,"lead_time_weeks":null,"throughput_note":null,"training_note":null,"maintenance_note":null,"nl_partner":null,"mfr_reply_at":null,"official_url":null,"official_src_state":"no_official_source","task_mappings":[{"id":605,"robot_id":1681,"task_category":"aerial_general","efficiency":1.5,"cost_ratio":0.7,"quality":0.8,"notes":"ESTIMATED auto-wired from category; confirm with manufacturer"}]}