Engine Animations: Are you getting this?

Hi there, just put this as an unlisted video..

Are you guys getting the same?

Notice when full thrust is engaged it is almost like the blades freeze and judder a little.. May be my end to sort out something as a couple of people [mixed] get different animations

http://www.youtube.com/watch?feature=player_detailpage&v=DZz7yWFCe5A

Also

http://www.youtube.com/watch?feature=endscreen&v=tsZuORE4tPE&NR=1

With kind regards,

Alex