• Support PF! Buy your school textbooks, materials and every day products Here!

How much does Newtons 3rd Law account for Lift in %?

  • Thread starter 06mangro
  • Start date
  • #1
20
0
I would like to know how much of a % does newtons 3rd law (action / reaction) account for lift of a chopper.. i would also like to know this for Bernoulli's principle..
Can you give a source to back it up?

I cant find an answer any where
 

Answers and Replies

  • #2
rcgldr
Homework Helper
8,638
501
I would like to know how much of a % does newtons 3rd law (action / reaction) account for lift of a chopper.
100%.

Bernoulli's principle.
Applies above and below the rotor, but not across the plane of the rotor, because energy is added to the air (work is done). Link to NASA article for propellors, a similar case:

NASA_propeller_analysis.htm
 

Related Threads for: How much does Newtons 3rd Law account for Lift in %?

Replies
6
Views
372
  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
1
Views
961
  • Last Post
Replies
1
Views
876
  • Last Post
Replies
11
Views
2K
  • Last Post
Replies
10
Views
2K
  • Last Post
Replies
4
Views
2K
  • Last Post
Replies
1
Views
1K
Top