A composite sandwich shell edge joint includes an outboard buildup pad, an inboard buildup pad spaced-apart and adjacent to the outboard buildup pad, an outboard face sheet extending from the outboard buildup pad, an inboard face sheet extending from the inboard buildup pad, bridging plies connectin
A composite sandwich shell edge joint includes an outboard buildup pad, an inboard buildup pad spaced-apart and adjacent to the outboard buildup pad, an outboard face sheet extending from the outboard buildup pad, an inboard face sheet extending from the inboard buildup pad, bridging plies connecting the outboard buildup pad and the inboard buildup pad and at least one barrel nut installed in the buildup pads.
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1. A method of fabricating a composite sandwich shell edge joint, comprising: providing an outboard buildup pad spaced apart from an inboard buildup pad, the outboard buildup pad including a first tapered portion, the inboard buildup pad including a second tapered portion opposite the first tapered
1. A method of fabricating a composite sandwich shell edge joint, comprising: providing an outboard buildup pad spaced apart from an inboard buildup pad, the outboard buildup pad including a first tapered portion, the inboard buildup pad including a second tapered portion opposite the first tapered portion of the outboard buildup pad;placing support tooling in areas defined by the first tapered portion and the second tapered portion; andwhile applying pressure to the support tooling, bonding an outboard face sheet to the outboard buildup pad and bonding an inboard face sheet with the inboard buildup pad, wherein applying pressure to the support tooling comprises inflating the support tooling. 2. The method of claim 1, further comprising removing the support tooling after the bonding the areas defined by the first and second tapered portions. 3. The method of claim 1, wherein the support tooling comprises a U-shaped tool bag. 4. The method of claim 1, wherein the support tooling comprises an inverted T-shaped tool bag. 5. The method of claim 1, wherein the first tapered portion of the outboard buildup pad tapers in thickness in a first direction and a second direction. 6. The method of claim 1, wherein the second tapered portion of the inboard buildup pad tapers in thickness in a first direction and a second direction. 7. The method of claim 1, wherein the first tapered portion of the outboard buildup pad tapers in thickness in a first direction and a second direction, and wherein the second tapered portion of the inboard buildup pad tapers in thickness in a third direction and a fourth direction. 8. The method of claim 1, further comprising providing bridging plies between the inboard and outboard buildup pads, wherein the first tapered portion of the outboard buildup pad tapers away from the bridging plies in first and second directions, and wherein the second tapered portion on the inboard buildup pad tapers away from the bridging plies in third and fourth directions. 9. A method of fabricating a composite sandwich shell edge joint, comprising: providing an outboard buildup pad spaced apart from an inboard buildup pad, the outboard buildup pad including a first tapered portion, the inboard buildup pad including a second tapered portion opposite the first tapered portion of the outboard buildup pad;placing support tooling in areas defined by the first tapered portion and the second tapered portion;while applying pressure to the support tooling, bonding an outboard face sheet to the outboard buildup pad and bonding an inboard face sheet with the inboard buildup pad; andproviding bridging plies between the inboard and outboard buildup pads, wherein the first tapered portion of the outboard buildup pad tapers away from the bridging plies in first and second directions, and wherein the second tapered portion on the inboard buildup pad tapers away from the bridging plies in third and fourth directions, wherein the first direction is perpendicular to the second direction, and wherein the third direction is perpendicular to the fourth direction. 10. The method of claim 9, further comprising removing the support tooling after the bonding the areas defined by the first and second tapered portions. 11. The method of claim 9, wherein applying pressure to the support tooling comprises inflating the support tooling. 12. The method of claim 9, wherein the support tooling comprises a U-shaped tool bag. 13. The method of claim 9, wherein the support tooling comprises an inverted T-shaped tool bag. 14. A method of fabricating a composite sandwich shell edge joint, comprising: defining a tapered gap between an outer buildup pad and an inner buildup pad, the outer buildup pad including a first tapered portion, the inner buildup pad including a second tapered portion opposite the first tapered portion of the outer buildup pad;providing a tapered closeout wedge between the inner buildup pad and the outer buildup pad; andbonding the inner and outer buildup pads to inner and outer face sheets prior to bonding the closeout wedge between the inner and outer buildup pads. 15. The method of claim 14, further comprising supporting the inner and outer face sheets with support tooling while bonding the inner and outer buildup pads to the inner and outer face sheets. 16. The method of claim 15, wherein supporting the inner and outer face sheets with the support tooling comprises inflating a U-shaped tool bag. 17. The method of claim 15, wherein supporting the inner and outer face sheets with the support tooling comprises inflating an inverted T-shaped tool bag. 18. The method of claim 14, wherein the first tapered portion of the outer buildup pad tapers in thickness in a first direction and a second direction. 19. The method of claim 14, wherein the second tapered portion of the inner buildup pad tapers in thickness in a first direction and a second direction. 20. The method of claim 14, wherein the first tapered portion of the outer buildup pad tapers in thickness in a first direction and a second direction, and wherein the second tapered portion of the inner buildup pad tapers in thickness in a third direction and a fourth direction. 21. The method of claim 14, wherein the first tapered portion of the outer buildup pad tapers away from the closeout wedge in first and second directions, and wherein the second tapered portion on the inner buildup pad tapers away from the closeout wedge in third and fourth directions. 22. The method of claim 21, wherein the first direction is perpendicular to the second direction, and wherein the third direction is perpendicular to the fourth direction.
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