diff --git a/construction/.gitignore b/construction/.gitignore
new file mode 100644
index 0000000..0711a95
--- /dev/null
+++ b/construction/.gitignore
@@ -0,0 +1 @@
+*.FCBak
diff --git a/construction/v3/MotorHorn.FCStd b/construction/v3/MotorHorn.FCStd
index 4f6341b..7ebea37 100644
Binary files a/construction/v3/MotorHorn.FCStd and b/construction/v3/MotorHorn.FCStd differ