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Maik JUSTUS: minor fix for bending patch

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mfranz 2007-01-17 23:38:13 +00:00
parent 8adf1d6ada
commit 9d98966685
1 changed files with 2 additions and 2 deletions
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4
src/FDM/YASim/Rotorpart.cpp
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@ -373,7 +373,7 @@ float Rotorpart::calculateAlpha(float* v_rel_air, float rho,
int i,n; int i,n;
for (i=0;i<3;i++) for (i=0;i<3;i++)
moment[i]=0; moment[i]=0;
lift_moment=-_mass*_len; //*cos yaw * cos roll lift_moment=-_mass*_len*9.81; //*cos yaw * cos roll
*torque=0;// *torque=0;//
if((_nextrp==NULL)||(_lastrp==NULL)||(_rotor==NULL)) if((_nextrp==NULL)||(_lastrp==NULL)||(_rotor==NULL))
return 0.0;//not initialized. Can happen during startupt of flightgear return 0.0;//not initialized. Can happen during startupt of flightgear
@ -464,7 +464,7 @@ float Rotorpart::calculateAlpha(float* v_rel_air, float rho,
//as above, use 1st order approximation //as above, use 1st order approximation
//float alpha=Math::atan2(lift_moment,_centripetalforce * _len); //float alpha=Math::atan2(lift_moment,_centripetalforce * _len);
float alpha; float alpha;
alpha=lift_moment/(_centripetalforce * _len - _mass * _len/_alpha0); alpha=lift_moment/(_centripetalforce * _len - _mass * _len * 9.81 /_alpha0);
//centripetalforce is >=0 and _alpha0<-0.01 //centripetalforce is >=0 and _alpha0<-0.01
return (alpha); return (alpha);
} }