Single Line Tethered Glider

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Single Line Tethered Glider. Sub-System Level Design Review. Team P14462. Kyle Ball Matthew Douglas William Charlock. Jon Erbelding Paul Grossi Sajid Subhani. Team Introduction. Agenda. Project Description Review Engineering Requirements Review Functional Decomposition Review
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Single Line Tethered Glider Sub-System Level Design Review Team P14462 Kyle Ball Matthew Douglas William Charlock Jon Erbelding Paul Grossi Sajid Subhani Team Introduction Agenda
  • Project Description Review
  • Engineering Requirements Review
  • Functional Decomposition Review
  • Top 3 Concepts from Last Review
  • Concept Feasibility
  • Glider Analysis and Feasibility
  • Base Station Analysis and Feasibility
  • Project Planning
  • Work Breakdown Structure
  • Project Description Review
  • Goal: Design, build, and test a tethered, small-scale, human-controlled glider.
  • Critical Project Objectives:
  • Maintain maximum tension on the tether
  • Sustaining horizontal and vertical flight paths
  • Measure and record tether tension and position
  • Understand the influential parameters for sustained, tethered, unpowered flight
  • Glider Tether Base Station Operator w/ controller Engineering Requirements Functional Decomposition Review of Top 3 System Concepts IMU with Single Axis Load Cell 3 Single Axis Load Cell 2 Potentiometers with Single Axis Load Cell Glider Analysis Choosing the Glider Bixler v1.1 EPO Foam Phoenix 2000 EPO Foam Wing span: 2 [m] Chord length: 0.3 [m] Mass: 0.98 [kg] Front mounted propeller
  • Wing span: 1.4 [m]
  • Chord length: 0.2 [m]
  • Mass: 0.65 [kg]
  • Middle mounted propeller
  • Choosing the Glider The smaller Bixler glider creates less tension for a larger operating range Able to operate with an affordable load cell Flight Orientation Flight Orientation Flight Analysis Wind Speed: ~ 11 mph Flight Analysis Wind Speed: ~ 22 mph Flight Analysis Wind Speed: ~ 44 mph Qualitative DOE
  • Slower wind speed: lower tension
  • Larger flight path radius: lower tension
  • Beta angle peaks: ~ 94-95°
  • Tension peaks: ~ 20 [m] tether length
  • Tension must be less than 5000 [N] (1100 lbs)
  • Quantitative DOE
  • [Describe how will pick our flight configuration for experiment]
  • Inputs
  • Maximum allowable tension
  • Observed wind speed
  • Outputs
  • Beta angle
  • Tether length
  • Flight path radius
  • Bridle and Tether Setup Maximum allowable stress for Bixler glider: 30 Mpa Bridle attached at two points on the fuselage causes structural failure at the wing root with 180 MPa Proposed Tether and Bridle Design Ideal Bridle Location Analysis Wing Stress Analysis Wing Stress Analysis
  • Maximum stress: 15 MPa
  • Fuselage Stress Analysis Tether and Bridle Configuration Base Station Analysis and Feasibility 2 Potentiometers and Single-Axis Load Cell 3 Single-Axis Load Cells Project Planning Project Planning Work Breakdown Structure (10-12)
  • Paul:
  • Jon:
  • Kyle:
  • Matt:
  • Saj:
  • Bill:
  • Questions?
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