Always use the plans for determining these things.
The example from the plans is correct, 5" up at
the tip, Virg
Mark Langford wrote:
> Actually, the dihedral isn't measured from the bottom of the spar, generally
> speaking. It's more of a centerline angle thing, so measuring off the
> bottom of the spar isn't an accurate representation of the "real" dihedral.
> The real dihedral isn't even as high as 3.7 degrees...it's a little lower.
> I used to know exactly what it was, but obviously it's less than simply the
> inverse tangent of 5/78 because of the taper angle of the outboard spars.
> It would only take a few minutes to recalculate it using the vertical
> centerlines of the spars or the chord lines. I need to get out to the
> airport right now, so somebody with a little time on their hands is welcome
> to do that. Otherwise I'll do it tonight...
>
> The KR2 has the same dihedral as the KR2S.
>
> Mark Langford
> N56ML "at" hiwaay.net
> website at http://www.N56ML.com
> --------------------------------------------------------
>
>
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