From 2f00a7970c3e50e7e7d6557a8309abfce4391de3 Mon Sep 17 00:00:00 2001
From: andy <andy>
Date: Wed, 20 Feb 2002 07:15:12 +0000
Subject: [PATCH] Minor mixup.  Engines that are off have a manifold pressure
 equal to ambient, not to _rho0, which is the air density of the "calibration
 environment" (typically sea level).

---
 src/FDM/YASim/PistonEngine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FDM/YASim/PistonEngine.cpp b/src/FDM/YASim/PistonEngine.cpp
index 36c5013c2..45db6e479 100644
--- a/src/FDM/YASim/PistonEngine.cpp
+++ b/src/FDM/YASim/PistonEngine.cpp
@@ -125,7 +125,7 @@ void PistonEngine::calc(float pressure, float temp, float speed)
 {
     if (_magnetos == 0) {
       _running = false;
-      _mp = _rho0;
+      _mp = pressure;
       _torque = 0;
       _fuelFlow = 0;
       _egt = 80;		// FIXME: totally made-up
-- 
2.39.5