diff --git a/execnode.ks b/execnode.ks
index db3bed3..2cd7dea 100644
--- a/execnode.ks
+++ b/execnode.ks
@@ -25,16 +25,20 @@ print "dV = " + NEXTNODE:DELTAV:MAG.
 
 // Execute the burn, throttling down by half every time we're
 // consuming more than 25% of our dV in one update.
-until NEXTNODE:DELTAV:MAG <= 0.25 or dVMin < NEXTNODE:DELTAV:MAG {
+local droppedOnce is false.
+until NEXTNODE:DELTAV:MAG <= 0.25 or (dVMin < NEXTNODE:DELTAV:MAG and droppedOnce) {
   // debug
   print "dVMin = " + dvMin.
   print "dV = " + NEXTNODE:DELTAV:MAG.
 
-  if NEXTNODE:DELTAV:MAG < dVMin {
+  if NEXTNODE:DELTAV:MAG > dVMin {
+    set droppedOnce to true.
+  } else {
     set dvMin to NEXTNODE:DELTAV:MAG.
+    set droppedOnce to false.
   }
   
-  wait 0.001.
+  wait 0.01.
 }
 
 unlock THROTTLE.
diff --git a/lib/throttle.ks b/lib/throttle.ks
index a60720e..b9e63a4 100644
--- a/lib/throttle.ks
+++ b/lib/throttle.ks
@@ -36,8 +36,11 @@ function BurnTime {
     // Docs suggest DeltaV:DURATION is not entirely reliable, however.
     // For now we're logging both values for comparison.
     local t is burnTimeCalc(dVs, m, Isp, f).
+
+    // debug
     print "Computed stage burn time = " + t.
     print "KSC-estimated stage burn time = " + SHIP:StageDeltaV(s):DURATION.
+    // end debug
 
     local parts is list().
     for part in parts {
@@ -49,7 +52,12 @@ function BurnTime {
     return t + BurnTime(dV - SHIP:STAGEDELTAV(s):VACUUM, m, s - 1).
   }
 
-  return burnTimeCalc(dV, m, Isp, f).
+  // debug
+  local t is burnTimeCalc(dV, m, Isp, f).
+  print "Burn time in last utilized stage = " + t.
+  // end debug
+
+  return t.
 }
 
 // Convenience function to wrap the actual calculation for burn time.