Edited to add:Helicopter Takeoff Formula: The Secrets of Insect Flight

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Discussion Overview

The discussion revolves around the formula for the minimum force required for a helicopter to take off, specifically in the context of mimicking the flight mechanics of a moth. Participants explore the relationship between force, weight, and aerodynamics in both helicopters and insects.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant asks for the formula related to the minimum force needed for a helicopter to take off, specifically referencing the force exerted by a moth.
  • Another participant states that the minimum force is equivalent to the weight of the helicopter and suggests using the basic formula f=ma, questioning the desired complexity of the model.
  • A subsequent post clarifies that the original inquiry was about the force a moth can support, not the helicopter's weight.
  • A participant mentions that moths utilize advanced aerodynamic movements and that research on their flight mechanics is ongoing.
  • Another participant recommends a specific book on the aerodynamics of hovering insect flight as a resource for further information.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the specific formula or the details of the moth's flight mechanics, indicating that multiple competing views and uncertainties remain in the discussion.

Contextual Notes

The discussion lacks clarity on the assumptions regarding the comparison between helicopter and moth flight, and the complexity of the formulas desired is not fully defined.

aminakoyum
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Can you give me the formula for taking off a helicopter? This formula must give the minimum force that produced by moth for taking off. :rolleyes: (i want to project a miniatur helicopter).Thanks... from eng. student
 
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The minimum force is the weight of the helicopter. As for formulas, how complicated do you want to get...? The simplest model would come from f=ma.
 
russ_watters said:
The minimum force is the weight of the helicopter. As for formulas, how complicated do you want to get...? The simplest model would come from f=ma.

not this. i wanted to ask that the force moth supports. :redface:
 
Moth?






---
Brewnog
 
a moth uses very advanced aerodyanmical movements. The principle of how it actyally stays in the air is very new and research is still being done on it. As for your project, russ waters tells it how it is.

Regards,

Nenad
 
You might want to check out this book:

Ellington, C.P.
The aerodynamics of hovering insect flight

If you google for the person he might have some other stuff that might interest you as well.
 

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