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Innovative Lightway Rotating Ring for Wing Mounting by Ville Kaajakari, PhD

This unique design features a lightweight rotating ring specifically crafted for wing mounting applications. It effectively supports both lift and centrifugal forces, utilizing a light composite structure. The optimized shape maintains a perfectly circular inner contour across all rotation velocities, ensuring functional integrity. The simplified ring support design minimizes noise and efficiently accommodates wing attachments. With total radial displacements kept small (0.35 mm), it offers reliable performance with minimal deformation, making it ideal for various aerodynamic applications.

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Innovative Lightway Rotating Ring for Wing Mounting by Ville Kaajakari, PhD

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  1. Lightway Rotating Ring for Wing Mounting Ville Kaajakari, PhD

  2. Unique design • Light rotating ring for mounting wings • Supports both lift force and centrifugal force • Light composite structure • Optimized shape retains perfectly circular inner shape at all rotation velocities • Ring support is simplified • Noise is minimized

  3. Ring cross section Through wing bolts Wing attachment Skin Core Skin The ring is supported to rotate on upper and bottom surfaces and inner circle surface (not shown).

  4. Small Lightway (4m ring diameter)

  5. Total radial displacement

  6. Total radial displacement Wing attachment holes Undeformed shape Deformed shape

  7. Total radial displacement Ring deformation is small (0.35 mm) and uniform (varies by less than 0.03 mm)

  8. Strain (x-axis)

  9. Strain (y-axis)

  10. Deformation with lift force

  11. Medium Lightway (10m ring diameter)

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