ADAPTIVE AIRFRAME TECHNOLOGY USING SHAPE MEMORY ALLOYS Craig

Acknowledgement of Research Team l William Craig Easter l Robert Allen Winston l Dr.

Overview Purpose l Develop a wing capable of Multiple advanced flight missions. l Involve

Prior Micro Morphing Developments l Leading edge flaps l Trailing edge flaps l Telescoping

Need Statement l Different phases of flight require different wing configurations - Landing -

Possible Military Application Concept 9/17/2020 8

Host Structures l l l Class of host structure (kinematics) Folding Deployable Geodesic Nature

Technology l New technology – Host structures – Shape Memory alloys actuation – Def.

Goals l Going away from rigid structures l Develop Shape memory alloys that act

Current Status l Overview of progress – Developed two host structures – Proposal to

Questions l Questions – Craig Easter – President Precision Design Inc. – P. O.

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ADAPTIVE AIRFRAME TECHNOLOGY USING SHAPE MEMORY ALLOYS Craig Easter President Precision Design Inc. Weatherford OK. Helix@nts-online. net 9/17/2020 1

Acknowledgement of Research Team l William Craig Easter l Robert Allen Winston l Dr. Ramkumar N. Parthasarathy l Dr. Alfred G. Striz l Dr. J. David Baldwin 9/17/2020 2

Overview Purpose l Develop a wing capable of Multiple advanced flight missions. l Involve Oklahoma Universities and Industry in Advanced Technologies l Promote Advanced Technology in Oklahoma. 9/17/2020 3

Awards from NASA by state 9/17/2020 4

Prior Micro Morphing Developments l Leading edge flaps l Trailing edge flaps l Telescoping wings l Sweep wings l Camber 9/17/2020 changing airfoil 5

Need Statement l Different phases of flight require different wing configurations - Landing - Takeoff - High speed cruises - Attack - Loiter 9/17/2020 6

Possible Airfoil Shapes 9/17/2020 7

Possible Military Application Concept 9/17/2020 8

Host Structures l l l Class of host structure (kinematics) Folding Deployable Geodesic Nature (birds, bats, fish) Strengths – Multi mission / Multi role l Weaknesses – Needs much research and analysis 9/17/2020 9

Technology l New technology – Host structures – Shape Memory alloys actuation – Def. 50% nickel, 50% titanium – FEA analysis of complex movements – Control of servo aeroelastic – wing by computer control. 9/17/2020 10

Goals l Going away from rigid structures l Develop Shape memory alloys that act as actuator and sensor. l Improve band width of current applications 9/17/2020 11

Current Status l Overview of progress – Developed two host structures – Proposal to Darpa and Air. Force pending l “The outcome of the proposed work could revolutionize the future wing design concept, and could introduce extensive NASA flight test programs to evaluate the revolutional multiple-mission adaptable wing performance. ” (NASA) 9/17/2020 12

Questions l Questions – Craig Easter – President Precision Design Inc. – P. O. Box 2064 – Weatherford OK. 73096 – Helix@nts-online. net 9/17/2020 13

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