PPRuNe Forums - View Single Post - Why 1.3 Vs for approach?
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Old 19th April 2010 | 22:36
  #47 (permalink)  
BGRing
 
Joined: Dec 2006
Posts: 44
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From: Australia
Devil

test pilots like to eat and be eaten by members of their preferred sex?
1.3 x 1.3 - 1.69

I am not sure if that will point you in the right direction


Silly/Stupid joke aside.

it is important to remember the V^2 component of the lift equation. and to think of other great points mentioned so far, such as roll out go around

1.1 x 1.1 = 1.21
giving only .21 of a g to arrest the flair and no margin for any other mishaps such as , Opps, there was a gust or sheer or we are landing short lets pull up to get inside the fence.

1.2 x 1.2x = 1.44
similar to 1.1 but not so dramatic, controles are still slugish?

1.4 x 1.4 = 1.96 now that's a great amount of lift and more than enough to arrest a decent. but may be the controls are a bit sensitive. and will we stay inside the fence at the deep end of the runway?

F=Ma
De accelerating an aircraft takes a lot of force/energy, and tires take a pounding when landing. break pads of current design get very hot.


I Like 1.3 x 1.3 = 1.69

This post best read while thinking of some thing else. (that way you may actually forget it)
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