Emergency Release Snowboard Bindings

1. Emergency Release Snowboard Bindings Mike Allen Blake Anderson Jason Wendel Matthew Sartori Gavin Mehraban Michael Weidner David Call

2. Introduction • Key dates in the schedule • Current project progress • Future focuses of the project • Budget • Critical function prototype

3. Key Dates • Semester is coming to an end • Final report and presentation • Individual Wiki Reports

4. Schedule • On schedule • Working on funding • Finalizing design • Concluding work on CFP

5. Budget • Have spent very little so far • Expenses will start quickly

6. Critical Function Prototype Shape Memory Alloy • What is SMA? • How will we use it?

7. Why SMA • Critical to our design • Is it possible for us? • Range of operation temperature • Forces it can generate • Amount of change in length

8. CFP Switch SMA Wire .010” Battery (in back) Rubber Band for Bias Hinge Connection Mechanical Latch Brass Bushing Weight Picture taken by Blake Anderson

9. CFP Demonstration Closed Latch Open Latch Switch Activated Latch is Closed Latch swings open releasing weight Pictures taken by Blake Anderson

10. What We Learned • SMA Works! • Circuit is simple • Can be operated in cold temperatures • Forces

11. Summary • Key Dates • Schedule • Budget • CFP • Why we chose SMA • What we leaned

12. Contact Team ERSB group email ersnowbing@gmail.com

13. CFP Switch SMA Wire .010” Battery (in back) Rubber Band for Bias Hinge Connection Mechanical Latch Brass Bushing Weight Picture taken by Blake Anderson

14. SMA Wire Characteristics of Flexinol Wire by Dynalloy Inc. Dynalloy Inc., www.dynalloy.com