diff --git a/classes/Rocket.m b/classes/Rocket.m
index 7494483b86d25b1396321b9a995ad1c76f69edc4..26968d34573d6650cdc179beef7d4dcf31774239 100644
--- a/classes/Rocket.m
+++ b/classes/Rocket.m
@@ -34,7 +34,7 @@ classdef Rocket < Component
         stagesMass          double          % [kg]      Mass of stage 2, 3, .. without chutes
     end
 
-    properties(SetAccess = private)
+    properties(SetAccess = protected)
         lengthCenter        double          % [m]       Center length - no nose, boat
         inertiaDot          double          % [kg*m^2/s]Total inertia time derivative
         cutoffInertia       double          % [kg*m^2]  Total inertia at motor cutoff