Reverse the sense of manual propellers. Low numbers == fast

propeller, silly.

diff --git a/src/FDM/YASim/Propeller.cpp b/src/FDM/YASim/Propeller.cpp
index fd6a9d4bf24a5f81d46be37b1a80d58678f663a6..661a3842edff1c3d9fdef29a5ae9581295768009 100644 (file)
--- a/src/FDM/YASim/Propeller.cpp
+++ b/src/FDM/YASim/Propeller.cpp
@@ -62,7 +62,7 @@ void Propeller::calc(float density, float v, float omega,
     // 0.25 and 4.  A prop pitch of 0.5 results in no change from the
     // base value.
     if (_manual) 
-        _j0 = _baseJ0 * Math::pow(2, 4*_proppitch - 2);
+        _j0 = _baseJ0 * Math::pow(2, 2 - 4*_proppitch);
     
     float tipspd = _r*omega;
     float V2 = v*v + tipspd*tipspd;