If I understand the mission profile, then I think you are wrong
When you continuously rappel, you don't develop any swing to speak of. In fact, any swing you started with is damped down as the effective line becomes longer.
Space/Science » in reply to It's hard to take MSL seriously when it uses Sky Crane
When you continuously rappel, you don't develop any swing to speak of. In fact, any swing you started with is damped down as the effective line becomes longer.