US Air Force Hypersonic Test Fails

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Discussion Overview

The discussion revolves around the recent failure of a hypersonic test flight conducted by the US Air Force, specifically focusing on the X-51 Waverider. Participants explore the implications of this failure, the history of previous tests, and the future of hypersonic technology, including potential military applications and budget considerations. The conversation includes technical aspects, speculative future developments, and comparisons with other aerospace programs.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Exploratory
  • Conceptual clarification

Main Points Raised

  • Some participants note that a control fin was faulty in the recent test, contributing to its failure.
  • There is a discussion about the history of the X-51 tests, with some asserting that previous tests had mixed results, including one successful flight and others that failed due to various issues.
  • Concerns are raised regarding the cost of each test flight and whether the program will continue given the string of failures.
  • Some participants argue that despite failures, the X-51 program has yielded valuable data and achieved significant milestones in hypersonic flight.
  • There is speculation about the future of scramjet technology and its potential applications in military and civilian contexts, including rapid global travel and new aerospace designs.
  • Participants discuss the comparative funding and success of NASA versus military programs, with some advocating for increased support for NASA.
  • Some express skepticism about the military advantages of hypersonic aircraft compared to existing technologies.
  • Others highlight the potential for scramjets to revolutionize flight efficiency and capabilities, including the possibility of launching satellites at lower costs.

Areas of Agreement / Disagreement

Participants express a range of views, with no clear consensus on the implications of the test failures or the future of the X-51 program. Some believe the program should continue, while others question its viability and cost-effectiveness.

Contextual Notes

Participants mention the complexity of the technology and the potential for future developments, but there are unresolved questions about the cost-effectiveness of the tests and the specific military applications of hypersonic technology.

Who May Find This Useful

This discussion may be of interest to aerospace engineers, military strategists, and individuals following advancements in hypersonic technology and its implications for future flight and defense systems.

  • #31
boneh3ad said:
On top of that, there are no current SAM systems available to hit a target moving at those speeds. I am sure they could try and retool a Patriot to do the job, but hitting an air-breathing, maneuverable vehicle like a cruise missile moving at those speeds is significantly harder than a re-entry vehicle on a ballistic trajectory. In essence, such a weapon gives the military fielding it the ability to strike anywhere in the world with about 2 hours notice assuming they could put enough fuel on board without being anywhere near as provocative as launching an ICBM.

Check the sprint missile and it's descendents.

The altitude at which a scramjet currently needs to operate makes it trackable.

https://www.youtube.com/watch?v=YZZV464z9g8
 
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  • #32
Except it spiraled out of control as a result of a defective fin. That isn't particularly useful, especially because the particular control problem is already solved considering it worked several times before.

At least the engineers now know how the X-43 will perform under broken fin conditions. Maybe they will find that all X-43's should be designed with broken fins to save on cost...you never know.

On a serious note, it still seems useful to at least know what will happen if something goes wrong.
 

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