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I fixed the gear-ratio handling in the solution computations a while

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back, but forgot to put the same fix into the runtime code.  Also
added some comments so I don't get confused again the next time I come
through here. :)
This commit is contained in:
andy 2005-03-22 18:17:08 +00:00
parent 50bdf6098a
commit e4142d94d4
1 changed files with 6 additions and 2 deletions

8
src/FDM/YASim/PropEngine.cpp
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@ -125,8 +125,11 @@ void PropEngine::stabilize()
_eng->calc(_pressure, _temp, _omega); _eng->calc(_pressure, _temp, _omega);
_eng->stabilize(); _eng->stabilize();
// Compute torque as seen by the engine's end of the // Compute torque as seen by the engine's end of the gearbox.
// gearbox. // The propeller will be moving more slowly (for gear ratios
// less than one), so it's torque will be higher than the
// engine's, so multiply by _gearRatio to get the engine-side
// value.
ptau *= _gearRatio; ptau *= _gearRatio;
float etau = _eng->getTorque(); float etau = _eng->getTorque();
float tdiff = etau - ptau; float tdiff = etau - ptau;
@ -173,6 +176,7 @@ void PropEngine::integrate(float dt)
_eng->setFuelState(_fuel); _eng->setFuelState(_fuel);
_prop->calc(_rho, speed, _omega * _gearRatio, &thrust, &propTorque); _prop->calc(_rho, speed, _omega * _gearRatio, &thrust, &propTorque);
propTorque *= _gearRatio;
_eng->calc(_pressure, _temp, _omega); _eng->calc(_pressure, _temp, _omega);
_eng->integrate(dt); _eng->integrate(dt);
engTorque = _eng->getTorque(); engTorque = _eng->getTorque();