An orbital and entry tracking accessory or attachment is arranged to be mounted on a globe to provide a rapid means of determining range requirements for entry vehicles returning from any orbit to any desired landing site with reasonable accuracy. The device preferably is constructed of clear plastic strip material, and comprises a support ring, a calibrated orbital track member rigidly carried reasonable accuracy. The device preferably is constructed of clear plastic strip material, and comprises a support ring, a calibrated orbital track member rigidly carried by the support ring, and a calibrated lateral range member pivotally coupled to the support ring at points such that the lateral range member is always oriented normally to the orbital track member. The assembly is mountable on the globe rather snugly, but freely movable. With the device mounted on a globe, and the orbital track member located to simulate a desired orbital track, the lateral range member can be pivotally moved into alignment with a desired landing site on the globe, and the calibrations on the two members permit ready determination of the longitudinal and lateral range requirements from any point of entry along the orbital track.
Orbital and Entry Tracking Accessory for Globes
1971
11 pages
Report
No indication
English
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