Don't stage too quickly.

boot/default.ks

@@ -8,9 +8,9 @@ set TERMINAL:width  to 50.
 set TERMINAL:height to 30.
 CORE:doaction("Open Terminal", true).
 
-print "=================== BOOTING ===================".
+print "==================== BOOTING =====================".
 wait until SHIP:loaded and SHIP:unpacked.
-wait 0.001.
+wait 0.001.  // wait one physics tick
 
 if HOMECONNECTION:isconnected {
     copy_scripts().
@@ -18,7 +18,7 @@ if HOMECONNECTION:isconnected {
     print "No connection to KSC: not updating scripts.".
 }
 
-print "=========== BOOT SEQUENCE COMPLETE ============".
+print "============= BOOT SEQUENCE COMPLETE =============".
 
 
 function copy_scripts {

launch.ks

@@ -60,6 +60,7 @@ function launch {
     // Enable auto-staging
     when should_stage() then {
         stage_when_ready().
+        wait 0.5.
         return true.  // preserve trigger
     }
 

lib/rocket.ks

@@ -20,8 +20,8 @@ function should_stage {
     // Return true if the rocket needs to stage.
     //
     return STATUS = "PRELAUNCH"  // e.g. still attached to launch tower
-        or any_flameout()             // any engine starved for fuel
-        or SHIP:maxthrustat(0) = 0.   // no active engines (e.g. when we have an intermediate stage for decouplers before activating the next engine)
+           or any_flameout()             // any engine starved for fuel
+           or SHIP:maxthrustat(0) = 0.   // no active engines (e.g. when we have an intermediate stage for decouplers before activating the next engine)
 }