A nose cone assembly 102 is disclosed, comprising a one piece nose cone 104 and a support ring 106 on which the nose cone 104 is mounted. The support ring 106 comprises a plurality of circumferentially distributed resilient attachment tabs 114, via which the nose cone 104 is mounted on the support r
A nose cone assembly 102 is disclosed, comprising a one piece nose cone 104 and a support ring 106 on which the nose cone 104 is mounted. The support ring 106 comprises a plurality of circumferentially distributed resilient attachment tabs 114, via which the nose cone 104 is mounted on the support ring 106. The support ring 106 further comprises a load spreader 122, and each of the resilient attachment tabs 114 is operably connected to the load spreader 122, such that deflections and forces experienced by any one attachment tab 114 are distributed to other attachment tabs 114 via the load spreader 122.
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1. A nose cone assembly comprising a nose cone and a support ring, the nose cone is mounted on the support ring;wherein the support ring comprises a plurality of circumferentially distributed resilient attachment tabs, via which the nose cone is mounted on the support ring, the support ring further
1. A nose cone assembly comprising a nose cone and a support ring, the nose cone is mounted on the support ring;wherein the support ring comprises a plurality of circumferentially distributed resilient attachment tabs, via which the nose cone is mounted on the support ring, the support ring further comprises a load spreader, wherein the load spreader comprises a continuous ring that is coaxial with the support ring, each of the resilient attachment tabs is operably connected to the load spreader, and wherein each of the resilient attachment tabs is positioned radially outward of the load spreader. 2. A nose cone assembly as claimed in claim 1, wherein the nose cone has an internal conical surface and the internal conical surface of the nose cone is mounted directly onto the resilient attachment tabs. 3. A nose cone assembly as claimed in claim 1, wherein the resilient attachment tabs are flexible. 4. A nose cone assembly as claimed in claim 1, wherein each resilient attachment tab comprises a nut, operable to receive a bolt. 5. A nose cone assembly as claimed in claim 1, wherein the support ring comprises a continuous annular shoulder, the resilient attachment tabs project from the continuous annular shoulder on the support ring. 6. A nose cone assembly as claimed in claim 5, wherein the internal conical surface of the nose cone comprises a spigot, operable to be received on the annular shoulder of the support ring. 7. A nose cone assembly as claimed in claim 5, wherein the annular shoulder is defined between radial and axial location walls. 8. A nose cone as claimed in claim 1, wherein the load spreader comprises a sprung metallic ring. 9. A nose cone as claimed in claim 1, wherein the load spreader is selected from the group consisting of a carbon fibre disc and a glass fibre disc. 10. A nose cone assembly as claimed in claim 1, wherein each of the resilient attachment tabs comprises a recess at a free end thereof, and the load spreader is received in the plurality of recesses. 11. A nose cone assembly as claimed in claim 10, wherein the load spreader is received in the recesses with some play, such that the free end of each resilient attachment tab may displace a predetermined distance before engaging on the load spreader. 12. A nose cone assembly as claimed in claim 1, wherein the load spreader comprises an annular slotted flange formed on free ends of the resilient attachment tabs of the support ring. 13. A nose cone assembly as claimed in claim 1, wherein the nose cone comprises a composite material and the support ring comprises a metallic material. 14. A nose cone assembly as claimed in claim 13, wherein the nose cone comprises a structure selected from the group consisting of a filament wound glass fibre structure, a filament wound carbon fibre structure and a filament wound glass fibre and carbon fibre structure. 15. A nose cone assembly comprising: a nose cone and a support ring, the nose cone is mounted on the support ring;wherein the support ring comprises a plurality of circumferentially distributed resilient attachment tabs, via which the nose cone is mounted on the support ring, the support ring further comprises a load spreader, each of the resilient attachment tabs is operably connected to the load spreader, each of the resilient attachment tabs comprises a recess at a free end of the resilient attachment tab, each of the resilient attachment tabs is positioned radially outward of the load spreader, each recess opens radially inwardly of a respective one of the resilient attachment tabs, the load spreader is received in the recess of each of the resilient tabs and the load spreader comprises a continuous ring that is coaxial with the support ring. 16. A nose cone assembly comprising a nose cone and a support ring, the nose cone is mounted on the support ring;wherein the support ring comprises a plurality of circumferentially distributed resilient attachment tabs, via which the nose cone is mounted on the support ring, the support ring further comprises a load spreader, each of the resilient attachment tabs is operably connected to the load spreader,wherein each of the resilient attachment tabs comprises a recess at a free end thereof, and the load spreader is received in the plurality of recesses, andwherein the load spreader is received in the recesses with some play, such that the free end of each resilient attachment tab may displace a predetermined distance before engaging on the load spreader. 17. A nose cone assembly comprising a nose cone and a support ring, the nose cone is mounted on the support ring;wherein the support ring comprises a plurality of circumferentially distributed resilient attachment tabs, via which the nose cone is mounted on the support ring, the support ring further comprises a load spreader, wherein the load spreader comprises a ring that is coaxial with the support ring and the ring comprises an annular slotted flange formed on free ends of the resilient attachment tabs of the support ring, each of the resilient attachment tabs is operably connected to the load spreader, the annular slotted flange comprises a plurality of circumferentially spaced sections, wherein a circumferential gap is provided between each pair of adjacent sections of the annular slotted flange such that the section at the free end of each resilient attachment tab may displace a predetermined distance before engaging circumferentially adjacent sections of the annular slotted flange, and wherein each of the resilient attachment tabs is positioned radially outward of the load spreader. 18. The nose cone assembly according to claim 17, wherein each section extends radially inwardly from the free end of a respective attachment tab.
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