diff --git a/src/constants.rs b/src/constants.rs
index bd3fd5e..1d54974 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -8,7 +8,7 @@ use crate::WingConfig;
 const IN2MM: f32 = 25.4;
 pub const CHORD: f32 = 7.0 * IN2MM;
 pub const WING_TAPER: f32 = 0.6;
-pub const WINGSPAN: f32 = 45.0 * IN2MM;
+pub const WINGSPAN: f32 = 33.0 * IN2MM;
 pub const LENGTH: f32 = 30.0 * IN2MM;
 /// strut count in the main wing
 pub const STRUTS: usize = 12;
@@ -24,7 +24,7 @@ pub const SPAR_SIDE_WIDTH: f32 = 0.75 * IN2MM;
 pub const FUSELAGE_GAP: f32 = 0.4 * IN2MM;
 /// a very large number, used to place unknown objects such that they do not intersect
 pub const INF: f32 = 1000.0;
-pub const RUDDER_HEIGHT: f32 = 5.0 * IN2MM;
+pub const RUDDER_HEIGHT: f32 = 4.0 * IN2MM;
 pub const RUDDER_CHORD: f32 = 4.0 * IN2MM;
 pub const RUDDER_TAPER: f32 = 0.9;
 pub const RUDDER_STRUTS: usize = 3;
@@ -34,7 +34,7 @@ pub const RUDDER: WingConfig = WingConfig {
     taper: RUDDER_TAPER,
     struts: RUDDER_STRUTS,
 };
-pub const ELEVATOR_HEIGHT: f32 = 8.0 * IN2MM;
+pub const ELEVATOR_HEIGHT: f32 = 4.0 * IN2MM;
 pub const ELEVATOR_CHORD: f32 = 5.0 * IN2MM;
 pub const ELEVATOR_TAPER: f32 = 0.7;
 pub const ELEVATOR_STRUTS: usize = 4;