How do you do everyone? Time for a reminder snippets after so many queries from a number of you.So what is actually happening when an engine on the B747 translates into reverse thrust after landing? The engine does NOT start turning in a reverse direction. The THRUST is what is redirected forward by closing off the exhaust by use of blocker doors. The engine cowling then moves rearward and opens up ‘cascade’ vanes that direct the air in opposite direction to direction of travel causing resistance. This helps slow down the aircraft and is termed ‘reverse thrust’. There you have it ‘Chi Di Gin! Later!✈✈✈✈