Entry Vehicle Control
NASA Electronics Research Center, Kaman AviDne, McDonnell Douglas, Honeywell, Sperry Rand, and Prof. A.E. Bryson (Stanford University)
Almost every spacecraft requires and active attitude stabilization and control system during atmospheric entry to steer the vehicle, to prevent undesired vehicle oscillations, to align the vehicle for terminal landing, and to steer the vehicle along a flightpath where aerodynamic heating and load limitations will not be exceeded.
The entry-control system is closely coupled with the entry-guidance system, and should make effective use of sensing, data processing, display, and control equipment required for other mission phases, so that a minimum of additional equipment and expendables is required for entry control. This document describes in detail how to design entry control systems for all kinds of entry vehicles that used aerodynamic forces for deceleration. It covers systems to orient the vehicle for entry into the atmosphere and guide it to 100,000 ft altitude or deployment of the terminal-landing device.
Discusses design and operation of the entry control systems used by Mercury, Gemini, Apollo, X-15, ASSET, PRIME, and other important spacecraft. Includes flight and mission experience analysis. Contains functional diagrams, entry-control jet configurations, vehicle trim conditions, critical trajectories, and other key engineering information.
- State of the Art
- Mercury Entry Control (system description and operation, flight experience)
- Gemini Entry Control (system description and operation, flight experience)
- Apollo Entry Control (system description and operation, flight experience)
- X-15 Entry Control (system description and operation, flight experience)
- ASSET Entry Control
- PRIME Entry Control
- Future Trends and Summary
- Performance Criteria
- Crew Safety and Flightworthiness
- Additional Considerations
- Recommended Practices
- Simulation Studies
(greatly reduced in resolution and size)
An excellent reference resource for the experimental and amateur rocket scientist. Hard to find and now out-of-print, this new limited edition has been republished by the Rocket Science Institute. It's printed directly from a NASA digital document file, with a high-resolution laser printer on high-quality, bright-white, acid-free paper and quality-bound for years of reference use. 31 pages, large and easy-to-read 11" x 8-1/2" size. $19.95
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