What is the Shallowest Aircraft Glide Angle?

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Discussion Overview

The discussion revolves around the shallowest glide angle of aircraft, exploring various factors that influence glide performance, including aircraft type and flight conditions. Participants consider different interpretations of glide angle and glide ratio, as well as specific examples from aviation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants inquire whether the question pertains to yaw, roll, or pitch, suggesting that the answer is dependent on the specific aircraft and conditions.
  • There is a proposal that the term "shallowest glide angle" may refer to the best glide ratio, which occurs where lift-to-drag (L/D) is maximized, and that this can be represented by plotting L/D against angle of attack (AoA).
  • One participant expresses uncertainty about the original question's clarity, noting that interpreting it as glide ratio complicates the understanding of glide angle.
  • A participant provides specific glide ratio examples, stating that a glider can achieve a glide ratio of 40:1, while an F-16 fighter jet has a glide ratio of 1:1.
  • Another participant shares personal experiences with military aviation, reflecting on the performance of fighter jets during specific maneuvers and expressing admiration for their capabilities.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the interpretation of the original question, with multiple competing views on what constitutes the shallowest glide angle and how it relates to glide ratio.

Contextual Notes

Some assumptions about definitions of glide angle and glide ratio remain unresolved, and the discussion reflects varying levels of expertise and experience among participants.

Imtheking
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What is the shallowest angle of glide in aircraft?
 
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What Do you mean? Yaw, roll or pitch? Aside from that, the answer depends on the plane and the conditions.
 
Do you mean the best glide ratio? Thats where the L/D is maximum. You can plot L/D vs AoA.
 
My first thought was that he meant AoA itself. Of course, then his question wouldn't make a whole lot of sense, but then again, it doesn't when you interpret it a glide ratio either... oh well.
 
Cyrus said:
Do you mean the best glide ratio? Thats where the L/D is maximum. You can plot L/D vs AoA.

This will, by definition, result in the shallowest glide angle.
 
A glider can typically cover 40ft for a drop of 1 ft.

An F-16 fighter jet will do only 1:1 (a good reason to have an ejection seat).
 
Dr Lots-o'watts said:
A glider can typically cover 40ft for a drop of 1 ft.

An F-16 fighter jet will do only 1:1 (a good reason to have an ejection seat).

If that. We used to watch the viper drivers do FO's into Pope in the early 90s, and they were something to see. We'd thought they simply pancake, but they were simply maintaining or building enough airspeed for a flare.

I have tons of military aviation experience, but I still marvel at http://findarticles.com/p/articles/mi_m0JCA/is_12_12/ai_n6100350/".

Ah... walking to the airfield. Thank God he didn't have to.
 
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