Basic and mechanical properties of the lunar soil estimated from Surveyor touchdown data
Basic and mechanical properties of lunar soil estimated from Surveyor missions touchdown data
Engineering topics
Publications and source records attributed to Sperling, F. B..
Basic and mechanical properties of lunar soil estimated from Surveyor missions touchdown data
Surveyor spacecraft landing shock absorbers design and performance assessment by digital computer simulation
Surveyor 7 highland landing soil mechanical properties and rock diameter similar to previous sites
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Landing shock attenuation system for Surveyor spacecraft, describing hydraulic cylinder and piston arrangement for damping, computerized shock absorber design and landing process simulation
Surveyor soil data evaluation for mechanical properties
Design and performance of hydraulic landing shock absorbers on Surveyor spacecraft
Mechanical properties of lunar surface material analyzed from engineering and TV data from Surveyor 3 lunar probe
Mechanical properties of Surveyor 7 Tycho landing site compared with properties of maria lunar landing sites
Lunar soil mechanical properties studied by Surveyor 5 erosion experiment
Lunar surface mechanical properties determined by landing impacts, telemetry data from Surveyor III, and comparison of data collected by Surveyor I and Surveyor III
Lunar surface mechanical properties at Surveyor landing site according to telemetry data and photographs
Lunar surface mechanical properties as determined from photographs and landing dynamics of Surveyor I spacecraft