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    Re: A Diy E6-B?
    From: David Pike
    Date: 2021 Apr 16, 08:10 -0700

    Tony Oz you wrote:  I'm using the third scale (counting from to left right) as the prototype for my E6-B because it better fits the Chichester's plane capabilities. My question is abouth the lower part: the square grid has the same step size as the 50 knots arc radius, is that correct?

    Tony.  On the upper part 10kts = 10mm.  The gap below 30kts is 5mm.  Each tiny square is 5mm.  If you extend the 30° drift lines, you'll find they cross at 25 on the lower part, not that that matters.  the length overall is 260mm.  The beam is 97mm.  I suppose green is easily seen under red light, unlike red, which would disappear. DaveP

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