From 018f335e7210f244667d03672c4defd4e9bfeb9d Mon Sep 17 00:00:00 2001
From: Pernilla <pernilla@auterion.com>
Date: Wed, 13 Nov 2024 14:51:55 +0100
Subject: [PATCH] Tuned aerodynamics coefficients by increased drag
 coefficients and larger surface area of the link

---
 models/quadtailsitter/model.sdf | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/models/quadtailsitter/model.sdf b/models/quadtailsitter/model.sdf
index 422fa03..2f64991 100644
--- a/models/quadtailsitter/model.sdf
+++ b/models/quadtailsitter/model.sdf
@@ -397,10 +397,11 @@
     <plugin filename="gz-sim-advanced-lift-drag-system" name="gz::sim::systems::AdvancedLiftDrag">
       <a0>0.0</a0>
       <CL0>0.15188</CL0>
-      <AR>6.5</AR>
+      <AR>8.5</AR>
       <eff>0.97</eff>
       <CLa>5.015</CLa>
-      <CD0>0.029</CD0>
+      <cda>1.5</cda>
+      <CD0>0.15</CD0>
       <Cem0>0.075</Cem0>
       <Cema>-0.463966</Cema>
       <CYb>-0.258244</CYb>
@@ -429,7 +430,7 @@
       <CDa_stall>-0.9233984055</CDa_stall>
       <Cema_stall>0</Cema_stall>
       <ref_pt>-0.12 0.0 0.0</ref_pt>
-      <area>0.15</area>
+      <area>0.4</area>
       <mac>0.22</mac>
       <air_density>1.2041</air_density>
       <forward>0 0 1</forward>