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Emergency Release Snowboard Bindings

Emergency Release Snowboard Bindings. Presenting: Jason Wendel Michael Weidner David Call. University of Utah Department of Mechanical Engineering. Introduction. Schedule Budget Benchmarking Critical Function Prototype. Schedule. Concept Selection Critical Function Prototype

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Emergency Release Snowboard Bindings

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  1. Emergency Release Snowboard Bindings Presenting: Jason Wendel Michael Weidner David Call University of Utah Department of Mechanical Engineering

  2. Introduction • Schedule • Budget • Benchmarking • Critical Function Prototype

  3. Schedule • Concept Selection • Critical Function Prototype • Up to date

  4. Budget • Sponsorship request letters will be sent out next week • Anticipate many donations in kind to be used in manufacturing and testing

  5. Miscellaneous Updates • ~50 Concepts generated • Survey completed • ~100 respondents • Customer needs determined

  6. Benchmarking • Purpose for our team • Designs for adaptation

  7. Benchmarking Space Shuttle Non-Explosive Release Pros • Minimal force on lock • Does not need space to release Cons • Complicated to set up • Needs electrical components Non-Explosive Release Restraining Wire Burn Wire Restraining Wire Unwound Burn Wire Broken Conely,P. Space Vehicle Mechanisms: Elements of successful design. (New York: John Wiley and Sons, 1998), P.285

  8. Benchmarking Camera Tripod Release Pros • Simple Mechanism • Very Reliable • Easily Modified Cons • Isn’t Strong • Big and Bulky Camera Tripod Release www.shortcourses.com/equipment/tripods/3-qr.htm

  9. Benchmarking Professional Woodworking Vise With Quick Release Pros • Reliable • Simple locking mechanism Cons • Big and bulky • Locking mechanism Woodworking Vise Quick-Release Nut Lock www.fine-tools.com

  10. Heel Plate Toe Plate Toe Plate Rotation Axis Benchmarking Line Reactor 10 Ski Binding Pros • Withstands Loading • Small & Lightweight Cons • Doesn’t release on command • Many complicated parts Line Reactor 10 Ski Binding www.getboards.com

  11. Benchmarking • Pros: • Simple concept • Directly applicable • Desired function • Cons: • Boot prevents release • Releases one binding • Requires space tooperate Burton Quick Disk www.geardirect.com

  12. Critical Function Prototype (CFP) • Description • Motivation • Goals • What we hope to learn

  13. Critical Function Prototype Description • Battery powered Shape Memory Alloy (SMA) actuator • Shape Memory Alloy • Changes shape at known temperature • Mechanical latch • Electrical interface • Circuitry

  14. Motivation • High scoring concepts employ SMA • SMA activation of device will: • Allow electrical activation of device • Prevent binding modifications • Make release universal • Decrease size, weight • Allow better seal from snow and water

  15. CFP Goals • Create a working system • Moves mechanical latch • Practical for concepts • Scaled to project • Promote concept generation • Benchmarking for the CFP • Working with SMA

  16. What We Hope to Learn • Feasibility • Limitations • Theoretical analysis vs. actual

  17. Summary • On Schedule • Critical Function Prototype • Sponsorship letters • Budget • Benchmarking • Critical Function Prototype • Shape Memory Alloy actuator

  18. Contact Info TEAM EMAIL: ERSNOWBINDING@gmail.com

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