Quoting mawingho (Thread starter): As I know, Induced Drag is caused by Lift. When turning / rowing, upper wing's lift increase and lower wing's lift decrase which means that the induced drag in total is the same, right? |
Quoting mawingho (Reply 2): Thank you for your reply. However, I am not quite sure how to do this calculation, can you explain more a bit? |
Quoting mawingho (Thread starter): When turning / rowing, upper wing's lift increase and lower wing's lift decrase which means that the induced drag in total is the same, right? |
Quoting mawingho (Reply 4): Why is (1/cos30)*weight, any picture can illustrate this? |
Quoting mawingho (Reply 4): is it the compoent of weight to make this formula? |