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Old 5th Apr 2002, 08:44
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Evo7
 
Join Date: Apr 2001
Location: Chichester, UK
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Question Nav: "Wind mark up" or "Wind mark down"?
Hi Chaps

I've just started working through Thom's Air Navigation book. In Chapter 4 he describes two different methods for doing triangle of velocities calculations with the Whizz Wheel - "Wind mark up" and "Wind mark down". Any strong feelings about which is the better one to learn?
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