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Swap signs of the twist and incidence values to match the

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documentation and author expectations.  Positive just wants to mean
"up", no matter what the axis conventions have to say.
This commit is contained in:
andy 2005-12-01 21:06:25 +00:00
parent c92bcb4126
commit d71a541837
1 changed files with 6 additions and 2 deletions
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8
src/FDM/YASim/FGFDM.cpp
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@ -583,8 +583,12 @@ Wing* FGFDM::parseWing(XMLAttributes* a, const char* type)
w->setTaper(attrf(a, "taper", 1));
w->setDihedral(attrf(a, "dihedral", defDihed) * DEG2RAD);
w->setCamber(attrf(a, "camber", 0));
w->setIncidence(attrf(a, "incidence", 0) * DEG2RAD);
w->setTwist(attrf(a, "twist", 0) * DEG2RAD);
// These come in with positive indicating positive AoA, but the
// internals expect a rotation about the left-pointing Y axis, so
// invert the sign.
w->setIncidence(attrf(a, "incidence", 0) * DEG2RAD * -1);
w->setTwist(attrf(a, "twist", 0) * DEG2RAD * -1);
// The 70% is a magic number that sorta kinda seems to match known
// throttle settings to approach speed.