RE: V-Tail Incidence
HP,
Thanks for that info. According to your calculations, the V saddle will always be higher at the LE and lower at the TE to the thrust line. (assuming the saddle tapers in width from front to back)
On my Predator, when the wing and firewall are @ 0*, the sides of the saddle are also at 0*. But, since the saddle tapers in width the V tail sits low in front. If the Predator had a conventional tail, the Stab would at 0*.
I feel more confident that the saddle needs to be adjusted.
Thanks!