{
    "title": "Two-Stage Mechanical Oscillator",
    "inventor_name": "Veljko Milkovic",
    "publication_year": null,
    "device_name": "Two-Stage Oscillator",
    "goal": "Generate excess energy (over-unity) and produce antigravitational effects using a purely mechanical system.",
    "problem_addressed": "Need for new, highly efficient energy sources and methods to counteract gravity for propulsion or lift.",
    "concept_summary": "A simple mechanical arrangement that employs double (single-and-double) oscillations of a pendulum-driven mass-spring-piston system. The device claims to convert inertial forces and gravitational potential into usable output energy, achieving a reported 9:1 to 12:1 over-unity ratio.",
    "detailed_description": null,
    "category": "Mechanical Engineering",
    "principles": [
        "Inertial force exploitation",
        "Gravitational potential energy",
        "Mechanical resonance",
        "Double-stage oscillation"
    ],
    "scientific_domains": [
        "Physics",
        "Mechanical Engineering"
    ],
    "mechanisms_of_action": [
        "Oscillatory motion of a pendulum",
        "Energy extraction from inertial forces",
        "Conversion of gravitational potential during piston stroke"
    ],
    "materials": [],
    "energy_sources": [
        "Gravitational potential",
        "Inertial forces"
    ],
    "inputs": [
        "Periodic manual push of pendulum (small mechanical input)"
    ],
    "outputs": [
        "Mechanical work / energy output exceeding input"
    ],
    "claimed_performance": "9:1 over-unity (up to 12:1 reported in experiments).",
    "experimental_evidence": "Milkovic reports that his prototype produced twelve times more output energy than the energy supplied to the pendulum.",
    "replication_status": null,
    "keywords": [
        "over-unity",
        "antigravity",
        "mechanical oscillator",
        "pendulum",
        "double oscillation",
        "inertial energy"
    ],
    "related_technologies": [
        "Pendulum-driven water pump",
        "Resonant energy harvesters"
    ],
    "controversy_level": "high",
    "confidence_score": 0.6,
    "practicability_score": 0.5,
    "fringe_score": 0.9,
    "evidence_strength": 0.4,
    "risk_score": 0.2,
    "trl_estimate": 2,
    "source_urls": [
        "http://www.veljkomilkovic.com"
    ],
    "organizations": [],
    "applications": [
        "Alternative power generation",
        "Antigravitational propulsion concepts"
    ],
    "limitations": [
        "No independent, peer-reviewed verification",
        "Lack of detailed schematics and quantitative data",
        "Scalability of the mechanical system not demonstrated"
    ],
    "open_questions": [
        "What is the precise mechanism that yields >100 % energy conversion?",
        "Can the device be scaled to practical power levels?",
        "Are there hidden energy inputs (e.g., environmental vibrations) accounting for the claimed gain?"
    ],
    "red_flags": [
        "Extraordinary over-unity claim without experimental data",
        "Absence of third-party replication",
        "Potential for pseudoscientific interpretation"
    ],
    "evidence_quotes": [
        "Among other things in his experiments, he managed to get 12 times more output energy than input energy.",
        "A simple mechanical system that produces 9:1 over-unity and antigravity.",
        "In last 10 years, no one argumentatively disputed research and measurings carried out by Milkovic."
    ]
}