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Forum: Tech Log

12th May 2004, 15:32

Replies: 17

Tail Wind Vector Calculation

Views: 6,051

Posted By ft

Checkboard, good to see you corrected your UBB...

Checkboard,
good to see you corrected your UBB codes. (Yes, I'm very fast when I want to!) ;)

According to my definition you'd have a 60KT crosswind, not to mention that the correct reply to a...

Forum: Tech Log

11th May 2004, 18:48

Replies: 17

Tail Wind Vector Calculation

Views: 6,051

Posted By ft

wandrinabout, in still air, they are the same. ...

wandrinabout,
in still air, they are the same.

But when the air is moving, I think you are forgetting one important fact: All movement has a direction as well as a speed.

Draw the ground speed...

Forum: Tech Log

11th May 2004, 14:56

Replies: 17

Tail Wind Vector Calculation

Views: 6,051

Posted By ft

I think we need to agree on a definition of...

I think we need to agree on a definition of tailwind component.

My definition: Component of wind parallell to the intended direction of travel.

BTW, you will be crabbing 27 degrees into the...

Forum: Tech Log

11th May 2004, 11:26

Replies: 17

Tail Wind Vector Calculation

Views: 6,051

Posted By ft

SFI145, if you are flying along with 100K GS...

SFI145,
if you are flying along with 100K GS and have a 50 K wind perpendicular to the direction of travel, your TAS will be

sqrt( 100^2 + 50^2 ) = 112 K.

Still, there's no tailwind component....

Forum: Tech Log

7th May 2004, 08:17

Replies: 17

Tail Wind Vector Calculation

Views: 6,051

Posted By ft

TWC = GS - TAS will only work if the wind is...

TWC = GS - TAS will only work if the wind is parallell to your direction of flight. More than that, and it is trig or vector calculations territory. Fortunately made easier to perform on the fly by...

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