Read e-book online Xth International Astronautical Congress London 1959 / X. PDF

By D. G. King-Hele (auth.), Friedrich Hecht (eds.)

ISBN-10: 3662389614

ISBN-13: 9783662389614

ISBN-10: 3662399148

ISBN-13: 9783662399149

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Additional resources for Xth International Astronautical Congress London 1959 / X. Internationaler Astronautischer Kongress / Xe Congrès International d’Astronautique

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It would seem desirable to check the results I have obtained by training others to operate the simulator. Whilst there has never been any shortage of people prepared to endure a short demonstration of what the space pilot would see and do, I have not yet found anyone prepared to devote 12 to 24 hours to being properly trained and tested in this devicc. Future Developments The first question which must arise is the possibility of extending the simulator to cope with the unrestricted three dimensional problem.

Fig. 6 also shows the two earlier runs in which the fiight programme was carried through without sufficient deviation developing to need correction. Table II gives critical data on all the runs carried out. The criteria of successful accomplishment of this simple circumnavigation are quite complex. They include the errors in position and velocity when the manoeuver is complete, together with the time taken and the total impulse used from the main drive. The residuals of position and velo city should be as small as possible, and a propulsion efficiency can be calculated by comparing the impulse used (plus the residual velocity) with the absolute minimum (eight times the initial distance divided by the total time taken).

This is best done by adjusting the resolving table so that the rocket is at rest relative to the reference sphere, then turning the rocket until the graticule and reference sphere coincide and firing the main drive motor. If the alignment is correct the rocket will then move straight towards the reference sphere on the chart, and the reference sphere image will grow larger without changing its position amongst the stars. Any error can be measured on the chart and then corrected by means of the fine adjustment on the projector.

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Xth International Astronautical Congress London 1959 / X. Internationaler Astronautischer Kongress / Xe Congrès International d’Astronautique by D. G. King-Hele (auth.), Friedrich Hecht (eds.)


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