better defaults for relevant landing/takeoff parameters

src/modules/mc_pos_control/mc_pos_control_params.c

@@ -223,7 +223,7 @@ PARAM_DEFINE_FLOAT(MPC_TILTMAX_AIR, 45.0f);
  * @max 90.0
  * @group Multicopter Position Control
  */
-PARAM_DEFINE_FLOAT(MPC_TILTMAX_LND, 15.0f);
+PARAM_DEFINE_FLOAT(MPC_TILTMAX_LND, 12.0f);
 
 /**
  * Landing descend rate
@@ -232,7 +232,7 @@ PARAM_DEFINE_FLOAT(MPC_TILTMAX_LND, 15.0f);
  * @min 0.0
  * @group Multicopter Position Control
  */
-PARAM_DEFINE_FLOAT(MPC_LAND_SPEED, 1.0f);
+PARAM_DEFINE_FLOAT(MPC_LAND_SPEED, 0.5f);
 
 /**
  * Takeoff initial speed to jump off the ground
@@ -241,7 +241,7 @@ PARAM_DEFINE_FLOAT(MPC_LAND_SPEED, 1.0f);
  * @min 0.0
  * @group Multicopter Position Control
  */
-PARAM_DEFINE_FLOAT(MPC_TKO_JMPSPD, 2.5f);
+PARAM_DEFINE_FLOAT(MPC_TKO_JMPSPD, 2.0f);
 
 /**
  * Takeoff climb rate